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<span class="dropbtn" onclick="">Index</span>
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<a href="harbour.html">Harbour core</a>
<hr>
<a href="clc53.html">Clipper 5.3</a>
<a href="clct3.html">Clipper Tools 3</a>
<hr>
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<a href="#core" title="Harbour core index">Harbour core index</a>
<a href="#clc53" title="Clipper 5.3 index">Clipper 5.3 index</a>
<a href="#clct3" title="Clipper Tools 3 index">Clipper Tools 3 index</a>
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<main>
<section id="core" class="d-x d-id">
<h1><a href="harbour.html#core">Harbour core</a></h1>
<div class="d-y">
<section id="coremidocument" class="d-x d-id">
<h2>Document</h2>
<div class="d-y">
<div><a href="harbour.html#welcome-to-harbour">Welcome to Harbour</a> A starter's guide</div>
<h3 class="d-sc d-id" id="coremidocumentmicompiler">Compiler</h3><div><a href="harbour.html#compiler-options">Compiler Options</a></div>
<div><a href="harbour.html#macro-compiler">Macro compiler</a></div>
<hr><div><a href="harbour.html#harbour-extensions">Harbour Extensions</a></div>
<div><a href="harbour.html#the-garbage-collector">The Garbage Collector</a> Readme for Harbour Garbage Collect Feature</div>
<div><a href="harbour.html#the-idle-states">The idle states</a> Readme file for Idle States</div>
</div>
</section>
<section id="coremiapi" class="d-x d-id">
<h2>API</h2>
<div class="d-y">
<h3 class="d-sc d-id" id="coremiapimiapplication">Application</h3><div><a href="harbour.html#do">Do()</a> Calls a procedure or a function</div>
<div><a href="harbour.html#hb_pvalue">hb_PValue()</a> Retrieves the value of an argument.</div>
<div><a href="harbour.html#pcount">PCount()</a> Retrieves the number of arguments passed to a function.</div>
<div><a href="harbour.html#procfile">ProcFile()</a> This function always returns an empty string.</div>
<div><a href="harbour.html#procline">ProcLine()</a> Gets the line number of the current function on the stack.</div>
<div><a href="harbour.html#procname">ProcName()</a> Gets the name of the current function on the stack</div>
<h3 class="d-sc d-id" id="coremiapimiarray">Array</h3><div><a href="harbour.html#aadd">AAdd()</a> Dynamically add an element to an array</div>
<div><a href="harbour.html#aclone">AClone()</a> Duplicate a multidimensional array</div>
<div><a href="harbour.html#acopy">ACopy()</a> Copy elements from one array to another</div>
<div><a href="harbour.html#adel">ADel()</a> Delete an element from an array.</div>
<div><a href="harbour.html#aeval">AEval()</a> Evaluates the subscript element of an array</div>
<div><a href="harbour.html#afill">AFill()</a> Fill an array with a specified value</div>
<div><a href="harbour.html#ains">AIns()</a> Insert a NIL value at an array subscript position.</div>
<div><a href="harbour.html#array">Array()</a> Create an uninitialized array of specified length</div>
<div><a href="harbour.html#ascan">AScan()</a> Scan array elements for a specified condition</div>
<div><a href="harbour.html#asize">ASize()</a> Adjust the size of an array</div>
<div><a href="harbour.html#asort">ASort()</a> Sort an array</div>
<div><a href="harbour.html#atail">ATail()</a> Returns the last element of an array</div>
<div><a href="harbour.html#hb_adel">hb_ADel()</a> Delete an element from an array.</div>
<div><a href="harbour.html#hb_ains">hb_AIns()</a> Inserts a value at an array subscript position and optionally increases the length of array.</div>
<div><a href="harbour.html#hb_ascan">hb_AScan()</a> Scan array elements for a specified condition</div>
<h3 class="d-sc d-id" id="coremiapimiclasses">Classes</h3><div><a href="harbour.html#hbclass">HBClass()</a> HBClass() is used in the creation of all classes</div>
<h3 class="d-sc d-id" id="coremiapimiconversion">Conversion</h3><div><a href="harbour.html#bin2i">Bin2I()</a> Convert signed short encoded bytes into Harbour numeric</div>
<div><a href="harbour.html#bin2l">Bin2L()</a> Convert signed long encoded bytes into Harbour numeric</div>
<div><a href="harbour.html#bin2w">Bin2W()</a> Convert unsigned short encoded bytes into Harbour numeric</div>
<div><a href="harbour.html#descend">Descend()</a> Inverts an expression of string, logical, date or numeric type.</div>
<div><a href="harbour.html#i2bin">I2Bin()</a> Convert Harbour numeric into signed short encoded bytes</div>
<div><a href="harbour.html#l2bin">L2Bin()</a> Convert Harbour numeric into signed long encoded bytes</div>
<div><a href="harbour.html#word">Word()</a> Converts double to integer values.</div>
<h3 class="d-sc d-id" id="coremiapimidatabase">Database</h3><div><a href="harbour.html#__dbcopystruct">__dbCopyStruct()</a> Create a new database based on current database structure</div>
<div><a href="harbour.html#__dbcopyxstruct">__dbCopyXStruct()</a> Copy current database structure into a definition file</div>
<div><a href="harbour.html#__dbcreate">__dbCreate()</a> Create structure extended file or use one to create new file</div>
<div><a href="harbour.html#__dbdelim">__dbDelim()</a> Copies the contents of a database to a delimited text file or appends the contents of a delimited text file to a database.</div>
<div><a href="harbour.html#__dbsdf">__dbSDF()</a> Copies the contents of a database to an SDF text file or appends the contents of an SDF text file to a database.</div>
<div><a href="harbour.html#__dbstructfilter">__dbStructFilter()</a> Filter a database structure array</div>
<div><a href="harbour.html#__fledit">__FLedit()*</a> Filter a database structure array</div>
<div><a href="harbour.html#afields">AFields()*</a> Fills referenced arrays with database field information</div>
<div><a href="harbour.html#alias">Alias()</a> Returns the alias name of a work area</div>
<div><a href="harbour.html#bof">Bof()</a> Test for the beginning-of-file condition</div>
<div><a href="harbour.html#dbappend">dbAppend()</a> Appends a new record to a database file.</div>
<div><a href="harbour.html#dbclearfilter">dbClearFilter()</a> Clears the current filter condition in a work area</div>
<div><a href="harbour.html#dbcloseall">dbCloseAll()</a> Close all open files in all work areas.</div>
<div><a href="harbour.html#dbclosearea">dbCloseArea()</a> Close a database file in a work area.</div>
<div><a href="harbour.html#dbcommit">dbCommit()</a> Updates all index and database buffers for a given work area</div>
<div><a href="harbour.html#dbcommitall">dbCommitAll()</a> Flushes the memory buffer and performs a hard-disk write</div>
<div><a href="harbour.html#dbcreate">dbCreate()</a> Creates an empty database from a array.</div>
<div><a href="harbour.html#dbdelete">dbDelete()</a> Mark a record for deletion in a database.</div>
<div><a href="harbour.html#dbfilter">dbFilter()</a> Return the filter expression in a work area</div>
<div><a href="harbour.html#dbgobottom">dbGoBottom()</a> Moves the record pointer to the bottom of the database.</div>
<div><a href="harbour.html#dbgoto">dbGoto()</a> Position the record pointer to a specific location.</div>
<div><a href="harbour.html#dbgotop">dbGoTop()</a> Moves the record pointer to the top of the database.</div>
<div><a href="harbour.html#dbrecall">dbRecall()</a> Recalls a record previously marked for deletion.</div>
<div><a href="harbour.html#dbrlock">dbRLock()</a> This function locks the record based on identity</div>
<div><a href="harbour.html#dbrlocklist">dbRLockList()</a> This function return a list of locked records in the database work area</div>
<div><a href="harbour.html#dbrunlock">dbRUnlock()</a> Unlocks a record based on its identifier</div>
<div><a href="harbour.html#dbseek">dbSeek()</a> Searches for a value based on an active index.</div>
<div><a href="harbour.html#dbselectarea">dbSelectArea()</a> Change to another work area</div>
<div><a href="harbour.html#dbsetdriver">dbSetDriver()</a> Establishes the RDD name for the selected work area</div>
<div><a href="harbour.html#dbsetfilter">dbSetFilter()</a> Establishes a filter condition for a work area.</div>
<div><a href="harbour.html#dbskip">dbSkip()</a> Moves the record pointer in the selected work area.</div>
<div><a href="harbour.html#dbstruct">dbStruct()</a> Creates a multidimensional array of a database structure.</div>
<div><a href="harbour.html#dbunlock">dbUnlock()</a> Unlock a record or release a file lock</div>
<div><a href="harbour.html#dbunlockall">dbUnlockAll()</a> Unlocks all records and releases all file locks in all work areas.</div>
<div><a href="harbour.html#dbusearea">dbUseArea()</a> Opens a work area and uses a database file.</div>
<div><a href="harbour.html#dbf">Dbf()</a> Alias name of a work area</div>
<div><a href="harbour.html#deleted">Deleted()</a> Tests the record's deletion flag.</div>
<div><a href="harbour.html#eof">Eof()</a> Test for end-of-file condition.</div>
<div><a href="harbour.html#fcount">FCount()</a> Counts the number of fields in an active database.</div>
<div><a href="harbour.html#fieldget">FieldGet()</a> Obtains the value of a specified field</div>
<div><a href="harbour.html#fieldname">FieldName()</a> Return the name of a field at a numeric field location.</div>
<div><a href="harbour.html#fieldpos">FieldPos()</a> Return the ordinal position of a field.</div>
<div><a href="harbour.html#fieldput">FieldPut()</a> Set the value of a field variable</div>
<div><a href="harbour.html#flock">FLock()</a> Locks a file</div>
<div><a href="harbour.html#found">Found()</a> Determine the success of a previous search operation.</div>
<div><a href="harbour.html#header">Header()</a> Return the length of a database file header</div>
<div><a href="harbour.html#indexext">IndexExt()</a> Returns the file extension of the index module used in an application</div>
<div><a href="harbour.html#indexkey">IndexKey()</a> Yields the key expression of a specified index file.</div>
<div><a href="harbour.html#indexord">IndexOrd()</a> Returns the numeric position of the controlling index.</div>
<div><a href="harbour.html#lastrec">LastRec()</a> Returns the number of records in an active work area or database.</div>
<div><a href="harbour.html#lupdate">LUpdate()</a> Yields the date the database was last updated.</div>
<div><a href="harbour.html#neterr">NetErr()</a> Tests the success of a network function</div>
<div><a href="harbour.html#ordbagext">ordBagExt()</a> Returns the Order Bag extension</div>
<div><a href="harbour.html#ordbagname">ordBagName()</a> Returns the Order Bag Name.</div>
<div><a href="harbour.html#ordcondset">ordCondSet()</a> Set the Condition and scope for an order</div>
<div><a href="harbour.html#ordcreate">ordCreate()</a> Create an Order in an Order Bag</div>
<div><a href="harbour.html#orddestroy">ordDestroy()</a> Remove an Order from an Order Bag</div>
<div><a href="harbour.html#ordfor">ordFor()</a> Return the FOR expression of an Order</div>
<div><a href="harbour.html#ordkey">ordKey()</a> Return the key expression of an Order</div>
<div><a href="harbour.html#reccount">RecCount()</a> Counts the number of records in a database.</div>
<div><a href="harbour.html#recno">RecNo()</a> Returns the current record number or identity.</div>
<div><a href="harbour.html#recsize">RecSize()</a> Returns the size of a single record in an active database.</div>
<div><a href="harbour.html#rlock">RLock()</a> Lock a record in a work area</div>
<div><a href="harbour.html#select">Select()</a> Returns the work area number for a specified alias.</div>
<div><a href="harbour.html#used">Used()</a> Checks whether a database is in use in a work area</div>
<h3 class="d-sc d-id" id="coremiapimidatesltime">Date/Time</h3><div><a href="harbour.html#cdow">CDoW()</a> Converts a date to the day of week</div>
<div><a href="harbour.html#cmonth">CMonth()</a> Return the name of the month.</div>
<div><a href="harbour.html#ctod">CToD()</a> Converts a character string to a date expression</div>
<div><a href="harbour.html#date">Date()</a> Return the Current OS Date</div>
<div><a href="harbour.html#day">Day()</a> Return the numeric day of the month.</div>
<div><a href="harbour.html#days">Days()</a> Convert elapsed seconds into days</div>
<div><a href="harbour.html#dow">DoW()</a> Value for the day of week.</div>
<div><a href="harbour.html#dtoc">DToC()</a> Date to character conversion</div>
<div><a href="harbour.html#dtos">DToS()</a> Date to string conversion</div>
<div><a href="harbour.html#elaptime">ElapTime()</a> Calculates elapsed time.</div>
<div><a href="harbour.html#hb_dtot">hb_DToT()</a> Create a <code>tDateTime</code> value from a <code>dDate</code> parameter</div>
<div><a href="harbour.html#hb_week">hb_Week()</a> Returns the week number of year.</div>
<div><a href="harbour.html#month">Month()</a> Converts a date expression to a month value</div>
<div><a href="harbour.html#seconds">Seconds()</a> Returns the number of elapsed seconds past midnight.</div>
<div><a href="harbour.html#secs">Secs()</a> Return the number of seconds from the system date.</div>
<div><a href="harbour.html#time">Time()</a> Returns the system time as a string</div>
<div><a href="harbour.html#year">Year()</a> Extracts the year designator of a given date as a numeric value</div>
<h3 class="d-sc d-id" id="coremiapimienvironment">Environment</h3><div><a href="harbour.html#__run">__Run()</a> Run an external program.</div>
<div><a href="harbour.html#__setcentury">__SetCentury()</a> Set the Current Century</div>
<div><a href="harbour.html#gete">GetE()</a> Obtains a system environmental setting.</div>
<div><a href="harbour.html#getenv">GetEnv()</a> Obtains a system environmental setting.</div>
<div><a href="harbour.html#hb_eol">hb_eol()</a> Returns the newline character(s) to use with the current OS</div>
<div><a href="harbour.html#hb_getenv">hb_GetEnv()</a> Obtains a system environmental setting.</div>
<div><a href="harbour.html#os">OS()</a> Return the current operating system.</div>
<div><a href="harbour.html#run-cmd">RUN</a> Run an external program.</div>
<div><a href="harbour.html#set">Set()</a> Changes or evaluated environmental settings</div>
<div><a href="harbour.html#setmode">SetMode()</a> Change the video mode to a specified number of rows and columns</div>
<div><a href="harbour.html#settypeahead">SetTypeahead()</a> Sets the typeahead buffer to given size.</div>
<div><a href="harbour.html#tone">Tone()</a> Sound a tone with a specified frequency and duration.</div>
<div><a href="harbour.html#version">Version()</a> Returns the version of Harbour compiler</div>
<h3 class="d-sc d-id" id="coremiapimierror">Error</h3><div><a href="harbour.html#break">Break()</a> Exits from a <code>BEGIN SEQUENCE</code> block</div>
<div><a href="harbour.html#errorsys">ErrorSys()</a> Install default error handler</div>
<h3 class="d-sc d-id" id="coremiapimievents">Events</h3><div><a href="harbour.html#__quit">__Quit()</a> Terminates an application.</div>
<div><a href="harbour.html#__setfunction">__SetFunction()</a> Assign a character string to a function key</div>
<div><a href="harbour.html#__wait">__Wait()</a> Stops the application until a key is pressed.</div>
<div><a href="harbour.html#hb_setkeycheck">hb_SetKeyCheck()</a> Implements common hot-key activation code</div>
<div><a href="harbour.html#hb_setkeyget">hb_SetKeyGet()</a> Determine a set-key code block and condition-block</div>
<div><a href="harbour.html#hb_setkeysave">hb_SetKeySave()</a> Returns a copy of internal set-key list, optionally overwriting</div>
<div><a href="harbour.html#setkey">SetKey()</a> Assign an action block to a key</div>
<h3 class="d-sc d-id" id="coremiapimiexecute-and-execution">Execute and Execution</h3><div><a href="harbour.html#dbeval">dbEval()</a> Performs a code block operation on the current Database</div>
<div><a href="harbour.html#eval">Eval()</a> Evaluate a code block</div>
<h3 class="d-sc d-id" id="coremiapimifilesys">FileSys</h3><div><a href="harbour.html#__dir">__Dir()*</a> Display listings of files</div>
<div><a href="harbour.html#adir">ADir()</a> Fill pre-defined arrays with file/directory information</div>
<div><a href="harbour.html#curdir">CurDir()</a> Returns the current OS directory name.</div>
<div><a href="harbour.html#dirchange">DirChange()</a> Changes the directory</div>
<div><a href="harbour.html#dirremove">DirRemove()</a> Attempt to remove an directory</div>
<div><a href="harbour.html#diskspace">DiskSpace()</a> Get the amount of space available on a disk</div>
<div><a href="harbour.html#fclose">FClose()</a> Closes an open file</div>
<div><a href="harbour.html#fcreate">FCreate()</a> Creates a file.</div>
<div><a href="harbour.html#ferase">FErase()</a> Erase a file from disk</div>
<div><a href="harbour.html#ferror">FError()</a> Reports the error status of low-level file functions</div>
<div><a href="harbour.html#file">File()</a> Tests for the existence of file(s)</div>
<div><a href="harbour.html#fopen">FOpen()</a> Open a file.</div>
<div><a href="harbour.html#fread">FRead()</a> Reads a specified number of bytes from a file.</div>
<div><a href="harbour.html#freadstr">FReadStr()</a> Reads a string from a file.</div>
<div><a href="harbour.html#frename">FRename()</a> Renames a file</div>
<div><a href="harbour.html#fseek">FSeek()</a> Positions the file pointer in a file.</div>
<div><a href="harbour.html#fwrite">FWrite()</a> Writes characters to a file.</div>
<div><a href="harbour.html#hb_diskspace">hb_DiskSpace()</a> Get the amount of space available on a disk</div>
<div><a href="harbour.html#hb_feof">hb_FEof()</a> Check for end-of-file.</div>
<div><a href="harbour.html#hb_flock">hb_FLock()</a> Locks part or all of any file</div>
<div><a href="harbour.html#hb_funlock">hb_FUnlock()</a> Unlocks part or all of any file</div>
<div><a href="harbour.html#isdisk">IsDisk()</a> Verify if a drive is ready</div>
<div><a href="harbour.html#makedir">MakeDir()</a> Create a new directory</div>
<h3 class="d-sc d-id" id="coremiapimigarbage-collector">Garbage Collector</h3><div><a href="harbour.html#hb_gcall">hb_gcAll()</a> Scans the memory and releases all garbage memory blocks.</div>
<div><a href="harbour.html#hb_gcalloc">hb_gcAlloc()</a> Allocates memory that will be collected by the garbage collector.</div>
<div><a href="harbour.html#hb_gccollectall">hb_gcCollectAll()</a> Scans all memory blocks and releases the garbage memory.</div>
<div><a href="harbour.html#hb_gcfree">hb_gcFree()</a> Releases the memory that was allocated with hb_gcAlloc().</div>
<div><a href="harbour.html#hb_gcitemref">hb_gcItemRef()</a> Marks the memory to prevent deallocation by the garbage collector.</div>
<h3 class="d-sc d-id" id="coremiapimihash-table">Hash table</h3><div><a href="harbour.html#hb_hash">hb_Hash()</a> Returns a hash table</div>
<div><a href="harbour.html#hb_hallocate">hb_HAllocate()</a> Preallocates a hash table</div>
<div><a href="harbour.html#hb_hautoadd">hb_HAutoAdd()</a> Sets the 'auto add' flag for the hash table</div>
<div><a href="harbour.html#hb_hbinary">hb_HBinary()</a> Sets the 'binary' flag for the hash table</div>
<div><a href="harbour.html#hb_hcasematch">hb_HCaseMatch()</a> Sets the 'case match' flag for the hash table</div>
<div><a href="harbour.html#hb_hclone">hb_HClone()</a> Creates a copy of a hash table</div>
<div><a href="harbour.html#hb_hcopy">hb_HCopy()</a> Adds entries from the source hash table to the destination hash table</div>
<div><a href="harbour.html#hb_hdefault">hb_HDefault()</a> Returns/sets a default value for a hash table.</div>
<div><a href="harbour.html#hb_hdel">hb_HDel()</a> Removes a key/value pair from a hash table</div>
<div><a href="harbour.html#hb_hdelat">hb_HDelAt()</a> Removes an entry from a hash table based on its index position</div>
<div><a href="harbour.html#hb_heval">hb_HEval()</a> Evaluate a code block across the contents of a hash table</div>
<div><a href="harbour.html#hb_hfill">hb_HFill()</a> Fills a hash table with a value</div>
<div><a href="harbour.html#hb_hget">hb_HGet()</a> Returns a hash value</div>
<div><a href="harbour.html#hb_hgetdef">hb_HGetDef()</a> Returns a hash value, or a default value if the key is not present</div>
<div><a href="harbour.html#hb_hhaskey">hb_HHasKey()</a> Determines whether a hash table has an entry with a give key</div>
<div><a href="harbour.html#hb_hkeyat">hb_HKeyAt()</a> Gets a hash table key at a given position</div>
<div><a href="harbour.html#hb_hkeys">hb_HKeys()</a> Returns an array of the keys of a hash table</div>
<div><a href="harbour.html#hb_hmerge">hb_HMerge()</a> Merges a source hash table into a destination hash table</div>
<div><a href="harbour.html#hb_hpairat">hb_HPairAt()</a> Returns a two-dimensional array of a hash table entry key/value pair</div>
<div><a href="harbour.html#hb_hpos">hb_HPos()</a> Locates the index of a key within a hash table</div>
<div><a href="harbour.html#hb_hscan">hb_HScan()</a> Scans a hash table</div>
<div><a href="harbour.html#hb_hset">hb_HSet()</a> Sets a hash value</div>
<div><a href="harbour.html#hb_hsort">hb_HSort()</a> Reorganizes the internal list of the hash table to be sorted</div>
<div><a href="harbour.html#hb_hvalueat">hb_HValueAt()</a> Gets/sets a hash value at a given position</div>
<div><a href="harbour.html#hb_hvalues">hb_HValues()</a> Returns an array of the values of a hash table</div>
<h3 class="d-sc d-id" id="coremiapimiidle-states">Idle states</h3><div><a href="harbour.html#hb_idleadd">hb_idleAdd()</a> Adds the background task.</div>
<div><a href="harbour.html#hb_idledel">hb_idleDel()</a> Removes the background task from the list of tasks.</div>
<div><a href="harbour.html#hb_idlestate">hb_idleState()</a> Evaluates a single background task and calls the garbage collector.</div>
<h3 class="d-sc d-id" id="coremiapimiinternal">Internal</h3><div><a href="harbour.html#__mvdbginfo">__mvDbgInfo()</a> This function returns the information about the variables for debugger</div>
<div><a href="harbour.html#__sethelpk">__SetHelpK()</a> Set <span class="d-key">F1</span> as the default help key</div>
<div><a href="harbour.html#__textrestore">__TextRestore()</a> Restore console output settings as saved by __TextSave()</div>
<div><a href="harbour.html#__textsave">__TextSave()</a> Redirect console output to printer or file and save old settings</div>
<div><a href="harbour.html#__xhelp">__XHelp()</a> Determines whether a HELP() user defined function exists.</div>
<div><a href="harbour.html#clipinit">CLIPINIT()</a> Initialize various Harbour sub-systems</div>
<h3 class="d-sc d-id" id="coremiapimiinet">INET</h3><div><a href="harbour.html#hb_inetaccept">hb_inetAccept()</a> Wait until a socket is ready</div>
<div><a href="harbour.html#hb_inetaddress">hb_inetAddress()</a> Get a remote server address</div>
<div><a href="harbour.html#hb_inetcleanup">hb_inetCleanup()</a> Terminate Harbour INET support</div>
<div><a href="harbour.html#hb_inetclearerror">hb_inetClearError()</a> Clear the socket error value</div>
<div><a href="harbour.html#hb_inetclearperiodcallback">hb_inetClearPeriodCallback()</a> Clear the periodic callback value of a socket</div>
<div><a href="harbour.html#hb_inetcleartimelimit">hb_inetClearTimeLimit()</a> Clear the time limit value of a socket</div>
<div><a href="harbour.html#hb_inetcleartimeout">hb_inetClearTimeout()</a> Clear the timeout value of a socket</div>
<div><a href="harbour.html#hb_inetclose">hb_inetClose()</a> Close an INET socket</div>
<div><a href="harbour.html#hb_inetconnect">hb_inetConnect()</a> Connect a socket to a remote server by IP address or name</div>
<div><a href="harbour.html#hb_inetconnectip">hb_inetConnectIP()</a> Connect to a remote server by IP address</div>
<div><a href="harbour.html#hb_inetcount">hb_inetCount()</a> Get the number of bytes last read or sent</div>
<div><a href="harbour.html#hb_inetcreate">hb_inetCreate()</a> Create an INET socket</div>
<div><a href="harbour.html#hb_inetcrlf">hb_inetCRLF()</a> Get a CRLF sequence for internet protocols</div>
<div><a href="harbour.html#hb_inetdataready">hb_inetDataReady()</a> Get whether there is data ready in a socket</div>
<div><a href="harbour.html#hb_inetdgram">hb_inetDGram()</a> Create a datagram socket</div>
<div><a href="harbour.html#hb_inetdgrambind">hb_inetDGramBind()</a> Create a bound datagram socket</div>
<div><a href="harbour.html#hb_inetdgramrecv">hb_inetDGramRecv()</a> Get data from a datagram socket</div>
<div><a href="harbour.html#hb_inetdgramsend">hb_inetDGramSend()</a> Send data to a datagram socket</div>
<div><a href="harbour.html#hb_ineterrorcode">hb_inetErrorCode()</a> Get the last INET error code</div>
<div><a href="harbour.html#hb_ineterrordesc">hb_inetErrorDesc()</a> Get the last INET error code description</div>
<div><a href="harbour.html#hb_inetfd">hb_inetFD()</a> ?</div>
<div><a href="harbour.html#hb_inetgetalias">hb_inetGetAlias()</a> Get an array of aliases of a server</div>
<div><a href="harbour.html#hb_inetgethosts">hb_inetGetHosts()</a> Get an array of IP addresses of a host</div>
<div><a href="harbour.html#hb_inetgetrcvbufsize">hb_inetGetRcvBufSize()</a> Get the socket receive buffer size</div>
<div><a href="harbour.html#hb_inetgetsndbufsize">hb_inetGetSndBufSize()</a> Get the socket send buffer size</div>
<div><a href="harbour.html#hb_inetinit">hb_inetInit()</a> Activate Harbour INET support</div>
<div><a href="harbour.html#hb_inetissocket">hb_inetIsSocket()</a> Get whether a variable is a socket</div>
<div><a href="harbour.html#hb_inetperiodcallback">hb_inetPeriodCallback()</a> Get or change the periodic callback value of a socket</div>
<div><a href="harbour.html#hb_inetport">hb_inetPort()</a> Get the port a socket is bound to.</div>
<div><a href="harbour.html#hb_inetrecv">hb_inetRecv()</a> Read from a socket</div>
<div><a href="harbour.html#hb_inetrecvall">hb_inetRecvAll()</a> Read from a socket without blocking</div>
<div><a href="harbour.html#hb_inetrecvendblock">hb_inetRecvEndblock()</a> Read a block from a socket</div>
<div><a href="harbour.html#hb_inetrecvline">hb_inetRecvLine()</a> Read a line from a socket</div>
<div><a href="harbour.html#hb_inetstatus">hb_inetstatus()</a> Get the status of a socket</div>
<div><a href="harbour.html#hb_inetsend">hb_inetSend()</a> Sent data through a socket</div>
<div><a href="harbour.html#hb_inetsendall">hb_inetSendAll()</a> Send data through a socket with blocking</div>
<div><a href="harbour.html#hb_inetserver">hb_inetServer()</a> Create a socket bound to a port</div>
<div><a href="harbour.html#hb_inetsetrcvbufsize">hb_inetSetRcvBufSize()</a> Set the receive buffer size of a socket</div>
<div><a href="harbour.html#hb_inetsetsndbufsize">hb_inetSetSndBufSize()</a> Set the send buffer size of a socket</div>
<div><a href="harbour.html#hb_inettimelimit">hb_inetTimeLimit()</a> Get or change the time limit value of a socket</div>
<div><a href="harbour.html#hb_inettimeout">hb_inetTimeout()</a> Get or change the timeout value of a socket</div>
<h3 class="d-sc d-id" id="coremiapimilanguage-and-nation">Language and Nation</h3><div><a href="harbour.html#hb_cdpselect">hb_cdpSelect()</a> Select the active code page by language ID</div>
<div><a href="harbour.html#hb_langerrmsg">hb_langErrMsg()</a> Description of an error code using current language</div>
<div><a href="harbour.html#hb_langmessage">hb_langMessage()</a> Returns international strings messages and errors</div>
<div><a href="harbour.html#hb_langname">hb_langName()</a> Return the name of the language module</div>
<div><a href="harbour.html#hb_langselect">hb_langSelect()</a> Select a specific nation message module</div>
<div><a href="harbour.html#hb_translate">hb_Translate()</a> Translate a string from one code page to the other</div>
<div><a href="harbour.html#isaffirm">IsAffirm()</a> Checks if passed char is an affirmation char</div>
<div><a href="harbour.html#isnegative">IsNegative()</a> Checks if passed char is a negation char.</div>
<div><a href="harbour.html#nationmsg">NationMsg()</a> Returns international strings messages.</div>
<h3 class="d-sc d-id" id="coremiapimimacro">Macro</h3><div><a href="harbour.html#hb_setmacro">hb_SetMacro()</a> Enable/disable the macro compiler runtime features.</div>
<h3 class="d-sc d-id" id="coremiapimimath">Math</h3><div><a href="harbour.html#abs">Abs()</a> Return the absolute value of a number.</div>
<div><a href="harbour.html#exp">Exp()</a> Calculates the value of e raised to the passed power.</div>
<div><a href="harbour.html#hb_matherblock">hb_matherBlock()</a> Set/Get math error handling codeblock</div>
<div><a href="harbour.html#hb_mathermode">hb_matherMode()</a> Set/Get math error handling mode</div>
<div><a href="harbour.html#int">Int()</a> Return the integer port of a numeric value.</div>
<div><a href="harbour.html#log">Log()</a> Returns the natural logarithm of a number.</div>
<div><a href="harbour.html#max">Max()</a> Returns the maximum of two numbers or dates.</div>
<div><a href="harbour.html#min">Min()</a> Determines the minimum of two numbers or dates.</div>
<div><a href="harbour.html#mod">Mod()</a> Return the modulus of two numbers.</div>
<div><a href="harbour.html#round">Round()</a> Rounds off a numeric expression.</div>
<div><a href="harbour.html#sqrt">Sqrt()</a> Calculates the square root of a number.</div>
<h3 class="d-sc d-id" id="coremiapimiobjects">Objects</h3><div><a href="harbour.html#__objadddata">__objAddData()</a> Add a VAR to an already existing class</div>
<div><a href="harbour.html#__objaddinline">__objAddInline()</a> Add an INLINE to an already existing class</div>
<div><a href="harbour.html#__objaddmethod">__objAddMethod()</a> Add a METHOD to an already existing class</div>
<div><a href="harbour.html#__objdeldata">__objDelData()</a> Delete a VAR (instance variable) from class</div>
<div><a href="harbour.html#__objdelinline">__objDelInline()</a> Delete a METHOD INLINE from class</div>
<div><a href="harbour.html#__objdelmethod">__objDelMethod()</a> Delete a METHOD from class</div>
<div><a href="harbour.html#__objderivedfrom">__objDerivedFrom()</a> Determine whether a class is derived from another class</div>
<div><a href="harbour.html#__objgetmethodlist">__objGetMethodList()</a> Return names of all METHOD for a given object</div>
<div><a href="harbour.html#__objgetmsglist">__objGetMsgList()</a> Return names of all VAR or METHOD for a given object</div>
<div><a href="harbour.html#__objgetvaluelist">__objGetValueList()</a> Return an array of VAR names and values for a given object</div>
<div><a href="harbour.html#__objhasdata">__objHasData()</a> Determine whether a symbol exist in object as VAR</div>
<div><a href="harbour.html#__objhasmethod">__objHasMethod()</a> Determine whether a symbol exist in object as METHOD</div>
<div><a href="harbour.html#__objmodinline">__objModInline()</a> Modify (replace) an INLINE method in an already existing class</div>
<div><a href="harbour.html#__objmodmethod">__objModMethod()</a> Modify (replace) a METHOD in an already existing class</div>
<div><a href="harbour.html#__objsetvaluelist">__objSetValueList()</a> Set object with an array of VAR names and values</div>
<h3 class="d-sc d-id" id="coremiapimirdd">RDD</h3><div><a href="harbour.html#fieldblock">FieldBlock()</a> Return a code block that sets/gets a value for a given field</div>
<div><a href="harbour.html#fieldwblock">FieldWBlock()</a> Return a sets/gets code block for field in a given work area</div>
<h3 class="d-sc d-id" id="coremiapimistrings">Strings</h3><div><a href="harbour.html#alltrim">AllTrim()</a> Removes leading and trailing blank spaces from a string</div>
<div><a href="harbour.html#asc">Asc()</a> Returns the ASCII value of a character</div>
<div><a href="harbour.html#at">At()</a> Locates the position of a substring in a main string.</div>
<div><a href="harbour.html#chr">Chr()</a> Converts an ASCII value to it character value</div>
<div><a href="harbour.html#hb_at">hb_At()</a> Locates the position of a substring in a main string.</div>
<div><a href="harbour.html#hb_ati">hb_AtI()</a> Locates the position of a substring in a main string.</div>
<div><a href="harbour.html#hb_atokens">hb_ATokens()</a> Parses a complex string (e.g. a sentence or multi-line text) into individual tokens (words or other string chunks depending on delimiter used).</div>
<div><a href="harbour.html#hb_lefteq">hb_LeftEq()</a> Checks if a sub-string matches to leftmost part of a string.</div>
<div><a href="harbour.html#hb_lefteqi">hb_LeftEqI()</a> Checks if a sub-string matches to leftmost part of a string.</div>
<div><a href="harbour.html#hb_memoread">hb_MemoRead()</a> Return the text file's contents as a character string</div>
<div><a href="harbour.html#hb_memowrit">hb_MemoWrit()</a> Write a memo field or character string to a text file on disk</div>
<div><a href="harbour.html#hb_ntoc">hb_ntoc()</a> Converts a numeric value to string</div>
<div><a href="harbour.html#hb_ntos">hb_ntos()</a> Converts a numeric value to string.</div>
<div><a href="harbour.html#hb_rat">hb_RAt()</a> Searches for last occurrence a substring of a string.</div>
<div><a href="harbour.html#hb_valtostr">hb_ValToStr()</a> Converts any scalar type to a string.</div>
<div><a href="harbour.html#hardcr">HardCR()</a> Replace all soft carriage returns with hard carriages returns.</div>
<div><a href="harbour.html#isalpha">IsAlpha()</a> Checks if leftmost character in a string is an alphabetic character</div>
<div><a href="harbour.html#isdigit">IsDigit()</a> Checks if leftmost character is a digit character</div>
<div><a href="harbour.html#islower">IsLower()</a> Checks if leftmost character is an lowercased letter.</div>
<div><a href="harbour.html#isupper">IsUpper()</a> Checks if leftmost character is an uppercased letter.</div>
<div><a href="harbour.html#left">Left()</a> Extract the leftmost substring of a character expression</div>
<div><a href="harbour.html#lower">Lower()</a> Universally lowercases a character string expression.</div>
<div><a href="harbour.html#ltrim">LTrim()</a> Removes leading spaces from a string</div>
<div><a href="harbour.html#memoread">MemoRead()</a> Return the text file's contents as a character string</div>
<div><a href="harbour.html#memotran">MemoTran()</a> Converts hard and soft carriage returns within strings.</div>
<div><a href="harbour.html#memowrit">MemoWrit()</a> Write a memo field or character string to a text file on disk</div>
<div><a href="harbour.html#padc">PadC()</a> Centers an expression for a given width</div>
<div><a href="harbour.html#padl">PadL()</a> Left-justifies an expression for a given width</div>
<div><a href="harbour.html#padr">PadR()</a> Right-justifies an expression for a given width</div>
<div><a href="harbour.html#rat">RAt()</a> Searches for last occurrence a substring of a string.</div>
<div><a href="harbour.html#replicate">Replicate()</a> Repeats a single character expression</div>
<div><a href="harbour.html#right">Right()</a> Extract the rightmost substring of a character expression</div>
<div><a href="harbour.html#rtrim">RTrim()</a> Remove trailing spaces from a string.</div>
<div><a href="harbour.html#space">Space()</a> Returns a string of blank spaces</div>
<div><a href="harbour.html#str">Str()</a> Convert a numeric expression to a character string.</div>
<div><a href="harbour.html#strtran">StrTran()</a> Translate substring value with a main string</div>
<div><a href="harbour.html#strzero">StrZero()</a> Convert a numeric expression to a character string, zero padded.</div>
<div><a href="harbour.html#substr">SubStr()</a> Returns a substring from a main string</div>
<div><a href="harbour.html#transform">Transform()</a> Formats a value based on a specific picture template.</div>
<div><a href="harbour.html#trim">Trim()</a> Remove trailing spaces from a string.</div>
<div><a href="harbour.html#upper">Upper()</a> Converts a character expression to uppercase format</div>
<div><a href="harbour.html#val">Val()</a> Convert a number from a character type to numeric</div>
<h3 class="d-sc d-id" id="coremiapimiterminal">Terminal</h3><div><a href="harbour.html#__typefile">__TypeFile()</a> Show the content of a file on the console and/or printer</div>
<div><a href="harbour.html#col">Col()</a> Returns the current screen column position</div>
<div><a href="harbour.html#devoutpict">DevOutPict()</a> Displays a value to a device using a picture template</div>
<div><a href="harbour.html#hb_colorindex">hb_ColorIndex()</a> Extract one color from a full color-spec string.</div>
<div><a href="harbour.html#maxcol">MaxCol()</a> Returns the maximum number of columns in the current video mode</div>
<div><a href="harbour.html#maxrow">MaxRow()</a> Returns the current screen row position</div>
<div><a href="harbour.html#restore-screen-cmd">RESTORE SCREEN</a> Restore screen image and coordinate from an internal buffer</div>
<div><a href="harbour.html#row">Row()</a> Returns the current screen row position</div>
<div><a href="harbour.html#save-screen-cmd">SAVE SCREEN</a> Save whole screen image and coordinate to an internal buffer</div>
<h3 class="d-sc d-id" id="coremiapimiuser-interface">User interface</h3><div><a href="harbour.html#__atprompt">__AtPrompt()</a> Display a menu item on screen and define a message</div>
<div><a href="harbour.html#__input">__Input()</a> Stops application</div>
<div><a href="harbour.html#__keyboard">__Keyboard()</a> Use hb_keyPut() instead</div>
<div><a href="harbour.html#__menuto">__MenuTo()</a> Invoked a menu defined by set of <code>@...PROMPT</code></div>
<div><a href="harbour.html#__nonoalert">__NoNoAlert()</a> Override <code>//NOALERT</code> command-line switch</div>
<div><a href="harbour.html#__xrestscreen">__XRestScreen()</a> Restore screen image and coordinate from an internal buffer</div>
<div><a href="harbour.html#__xsavescreen">__XSaveScreen()</a> Save whole screen image and coordinate to an internal buffer</div>
<div><a href="harbour.html#achoice">AChoice()</a> Allows selection of an element from an array</div>
<div><a href="harbour.html#alert">Alert()</a> Display a dialog box with a message</div>
<div><a href="harbour.html#browse">Browse()</a> Browse a database file</div>
<div><a href="harbour.html#dbedit">dbEdit()*</a> Browse records in a table</div>
<div><a href="harbour.html#hb_keyput">hb_keyPut()</a> Put an inkey code to the keyboard buffer.</div>
<div><a href="harbour.html#inkey">Inkey()</a> Extracts the next key code from the Harbour keyboard buffer.</div>
<div><a href="harbour.html#lastkey">LastKey()</a> Get the last key extracted from the keyboard buffer.</div>
<div><a href="harbour.html#mcol">MCol()</a> Returns the mouse cursor column position.</div>
<div><a href="harbour.html#menu-to-cmd">MENU TO</a> Invoked a menu defined by set of <code>@...PROMPT</code></div>
<div><a href="harbour.html#mrow">MRow()</a> Returns the mouse cursor row position.</div>
<div><a href="harbour.html#nextkey">NextKey()</a> Get the next key code in the buffer without extracting it.</div>
<div><a href="harbour.html#outerr">OutErr()</a> Write a list of values to the standard error device</div>
<div><a href="harbour.html#outstd">OutStd()</a> Write a list of values to the standard output device</div>
<div><a href="harbour.html#readkey">ReadKey()*</a> Determine which key terminated a READ.</div>
<div><a href="harbour.html#readvar">ReadVar()</a> Return variable name of current GET or MENU</div>
<div><a href="harbour.html#tbrowsedb">TBrowseDB()</a> Create a new TBrowse object to be used with database file</div>
<h3 class="d-sc d-id" id="coremiapimivariable-management">Variable management</h3><div><a href="harbour.html#__mvclear">__mvClear()</a> This function releases all PRIVATE and PUBLIC variables</div>
<div><a href="harbour.html#__mvexist">__mvExist()</a> Determine if a given name is a PUBLIC or PRIVATE memory variable</div>
<div><a href="harbour.html#__mvget">__mvGet()</a> This function returns value of memory variable</div>
<div><a href="harbour.html#__mvprivate">__mvPrivate()</a> This function creates a PRIVATE variable</div>
<div><a href="harbour.html#__mvpublic">__mvPublic()</a> This function creates a PUBLIC variable</div>
<div><a href="harbour.html#__mvput">__mvPut()</a> This function set the value of memory variable</div>
<div><a href="harbour.html#__mvrelease">__mvRelease()</a> This function releases PRIVATE variables</div>
<div><a href="harbour.html#__mvscope">__mvScope()</a> If variable exists then returns its scope.</div>
<div><a href="harbour.html#__mvxrelease">__mvXRelease()</a> This function releases value stored in PRIVATE or PUBLIC variable</div>
<div><a href="harbour.html#empty">Empty()</a> Checks if the passed argument is empty.</div>
<div><a href="harbour.html#hb_pisbyref">hb_PIsByRef()</a> Determine if a parameter is passed by reference.</div>
<div><a href="harbour.html#len">Len()</a> Returns size of a string or size of an array.</div>
<div><a href="harbour.html#memvarblock">MemVarBlock()</a> Returns a codeblock that sets/gets a value of memvar variable</div>
<div><a href="harbour.html#type">Type()</a> Retrieves the type of an expression</div>
<div><a href="harbour.html#valtype">ValType()</a> Retrieves the data type of an expression</div>
</div>
</section>
<section id="coremic-level-api" class="d-x d-id">
<h2>C level API</h2>
<div class="d-y">
<h3 class="d-sc d-id" id="coremic-level-apimienvironment">Environment</h3><div><a href="harbour.html#hb_setlisteneradd-c">hb_setListenerAdd()</a></div>
<div><a href="harbour.html#hb_setlistenernotify-c">hb_setListenerNotify()</a></div>
<div><a href="harbour.html#hb_setlistenerremove-c">hb_setListenerRemove()</a></div>
<h3 class="d-sc d-id" id="coremic-level-apimiidle-states">Idle states</h3><div><a href="harbour.html#hb_idlestate-c">hb_idleState()</a> Evaluates a single background task and calls the garbage collector.</div>
<h3 class="d-sc d-id" id="coremic-level-apimimath">Math</h3><div><a href="harbour.html#hb_mathgeterrmode-c">hb_mathGetErrMode()</a> get math error handling mode</div>
<div><a href="harbour.html#hb_mathgethandler-c">hb_mathGetHandler()</a> get current Harbour math error handler</div>
<div><a href="harbour.html#hb_mathgetlasterror-c">hb_mathGetLastError()</a> get the last math lib error</div>
<div><a href="harbour.html#hb_mathismatherr-c">hb_mathIsMathErr()</a> Check if Harbour math error handling is available</div>
<div><a href="harbour.html#hb_mathreseterror-c">hb_mathResetError()</a> Reset the internal math error information structure</div>
<div><a href="harbour.html#hb_mathseterrmode-c">hb_mathSetErrMode()</a> set math error handling mode</div>
<div><a href="harbour.html#hb_mathsethandler-c">hb_mathSetHandler()</a> set the Harbour math handler</div>
</div>
</section>
<section id="coremiclass" class="d-x d-id">
<h2>Class</h2>
<div class="d-y">
<h3 class="d-sc d-id" id="coremiclassmidata">Data</h3><div><a href="harbour.html#class-var-cmd">CLASS VAR</a> Define a CLASS VAR variable for a class (NOT for an Object!)</div>
<div><a href="harbour.html#var-cmd">VAR</a> Alternate syntax for VAR: instance variable for the objects.</div>
<h3 class="d-sc d-id" id="coremiclassmidefinition">Definition</h3><div><a href="harbour.html#class-cmd">CLASS</a> Define a Class for Object Oriented Programming</div>
<div><a href="harbour.html#endclass-cmd">ENDCLASS</a> End the declaration of a class.</div>
<h3 class="d-sc d-id" id="coremiclassmimethod">Method</h3><div><a href="harbour.html#error-handler-cmd">ERROR HANDLER</a> Designate a method as an error handler for the class</div>
<div><a href="harbour.html#message-cmd">MESSAGE</a> Route a method call to another Method</div>
<div><a href="harbour.html#method-cmd">METHOD</a> Declare a METHOD for a class in the class header</div>
<div><a href="harbour.html#on-error-cmd">ON ERROR</a> Designate a method as an error handler for the class</div>
</div>
</section>
<section id="coremicommand" class="d-x d-id">
<h2>Command</h2>
<div class="d-y">
<h3 class="d-sc d-id" id="coremicommandmidatabase">Database</h3><div><a href="harbour.html#copy-structure-cmd">COPY STRUCTURE</a> Create a new database based on current database structure</div>
<div><a href="harbour.html#copy-structure-extended-cmd">COPY STRUCTURE EXTENDED</a> Copy current database structure into a definition file</div>
<div><a href="harbour.html#create-cmd">CREATE</a> Create empty structure extended file</div>
<div><a href="harbour.html#create-from-cmd">CREATE FROM</a> Create new database file from a structure extended file</div>
<div><a href="harbour.html#pack-cmd">PACK</a> Remove records marked for deletion from a database</div>
<div><a href="harbour.html#zap-cmd">ZAP</a> Remove all records from the current database file</div>
<h3 class="d-sc d-id" id="coremicommandmienvironment">Environment</h3><div><a href="harbour.html#set-alternate-cmd">SET ALTERNATE</a> Toggle and echos output to an alternate file</div>
<div><a href="harbour.html#set-bell-cmd">SET BELL</a> Toggle the bell to sound once a GET has been completed.</div>
<div><a href="harbour.html#set-century-cmd">SET CENTURY</a> Toggle the century digits in all dates display</div>
<div><a href="harbour.html#set-console-cmd">SET CONSOLE</a> Toggle the console display</div>
<div><a href="harbour.html#set-date-cmd">SET DATE</a> Assigns a date format or chooses a predefined date data set.</div>
<div><a href="harbour.html#set-decimals-cmd">SET DECIMALS</a> Toggle the console display</div>
<div><a href="harbour.html#set-default-cmd">SET DEFAULT</a> Establishes the Harbour search drive and directory.</div>
<div><a href="harbour.html#set-device-cmd">SET DEVICE</a> Directs all <code>@...SAY</code> output to a device.</div>
<div><a href="harbour.html#set-epoch-cmd">SET EPOCH</a> Specify a base year for interpreting dates</div>
<div><a href="harbour.html#set-fixed-cmd">SET FIXED</a> Set the number of decimal position to be displayed</div>
<div><a href="harbour.html#set-function-cmd">SET FUNCTION</a> Assign a character string to a function key</div>
<div><a href="harbour.html#set-intensity-cmd">SET INTENSITY</a> Toggles the enhanced display of PROMPTs and GETs.</div>
<div><a href="harbour.html#set-key-cmd">SET KEY</a> Assign an action block to a key</div>
<div><a href="harbour.html#set-message-cmd">SET MESSAGE</a> Establishes a message row for <code>@...PROMPT</code> command</div>
<div><a href="harbour.html#set-path-cmd">SET PATH</a> Specifies a search path for opening files</div>
<div><a href="harbour.html#set-printer-cmd">SET PRINTER</a> Toggles the printer and controls the printer device</div>
<div><a href="harbour.html#set-wrap-cmd">SET WRAP</a> Toggle wrapping the PROMPTs in a menu.</div>
<h3 class="d-sc d-id" id="coremicommandmifilesys">FileSys</h3><div><a href="harbour.html#copy-file-cmd">COPY FILE</a> Copies a file.</div>
<div><a href="harbour.html#delete-file-cmd">DELETE FILE</a> Remove a file from disk</div>
<div><a href="harbour.html#dir-cmd">DIR</a> Display listings of files</div>
<div><a href="harbour.html#erase-cmd">ERASE</a> Remove a file from disk</div>
<div><a href="harbour.html#rename-cmd">RENAME</a> Changes the name of a specified file</div>
<div><a href="harbour.html#type-cmd">TYPE</a> Show the content of a file on the console, printer or file</div>
<h3 class="d-sc d-id" id="coremicommandmilegacy">Legacy</h3><div><a href="harbour.html#label-form-cmd">LABEL FORM</a> Displays labels to the screen or an alternate device</div>
<div><a href="harbour.html#report-form-cmd">REPORT FORM</a> Display a report</div>
<h3 class="d-sc d-id" id="coremicommandmiprinter">Printer</h3><div><a href="harbour.html#eject">EJECT</a> Issue an command to advance the printer to the top of the form</div>
<h3 class="d-sc d-id" id="coremicommandmiuser-interface">User interface</h3><div><a href="harbour.html#at-get-cmd">@...GET</a> Creates a GET object and displays it to the screen</div>
<div><a href="harbour.html#at-prompt-cmd">@...PROMPT</a> Display a menu item on screen and define a message</div>
<div><a href="harbour.html#at-say-cmd">@...SAY</a> Displays data at specified coordinates of the current device.</div>
<div><a href="harbour.html#keyboard-cmd">KEYBOARD</a> Stuffs the keyboard with a string.</div>
</div>
</section>
<section id="coremiruntime-errors" class="d-x d-id">
<h2>Runtime errors</h2>
<div class="d-y">
<hr><div><a href="harbour.html#rte-base-1003">RTE BASE/1003</a> Attempt to access non-existing or hidden variable</div>
<div><a href="harbour.html#rte-base-1068">RTE BASE/1068</a> Bound error in array access</div>
<div><a href="harbour.html#rte-base-1069">RTE BASE/1069</a> Bound error in array access</div>
<div><a href="harbour.html#rte-base-1070">RTE BASE/1070</a> Invalid type of arguments</div>
<div><a href="harbour.html#rte-base-1072">RTE BASE/1072</a> Invalid type of arguments</div>
<div><a href="harbour.html#rte-base-1073">RTE BASE/1073</a> Invalid type of arguments</div>
<div><a href="harbour.html#rte-base-1074">RTE BASE/1074</a> Invalid type of arguments</div>
<div><a href="harbour.html#rte-base-1075">RTE BASE/1075</a> Invalid type of arguments</div>
<div><a href="harbour.html#rte-base-1076">RTE BASE/1076</a> Invalid type of arguments</div>
<div><a href="harbour.html#rte-base-1077">RTE BASE/1077</a> Invalid type of arguments</div>
<div><a href="harbour.html#rte-base-1078">RTE BASE/1078</a> Invalid type of arguments</div>
<div><a href="harbour.html#rte-base-1079">RTE BASE/1079</a> Invalid type of arguments</div>
<div><a href="harbour.html#rte-base-1081">RTE BASE/1081</a> Invalid type of arguments</div>
<div><a href="harbour.html#rte-base-1082">RTE BASE/1082</a> Invalid type of arguments</div>
<div><a href="harbour.html#rte-base-1085">RTE BASE/1085</a> Invalid argument passed to function</div>
<div><a href="harbour.html#rte-base-1086">RTE BASE/1086</a> Invalid type of arguments</div>
<div><a href="harbour.html#rte-base-1089">RTE BASE/1089</a> Invalid argument passed to function</div>
<div><a href="harbour.html#rte-base-1090">RTE BASE/1090</a> Invalid argument passed to function</div>
<div><a href="harbour.html#rte-base-1092">RTE BASE/1092</a> Invalid argument passed to function</div>
<div><a href="harbour.html#rte-base-1093">RTE BASE/1093</a> Invalid argument passed to function</div>
<div><a href="harbour.html#rte-base-1094">RTE BASE/1094</a> Invalid argument passed to function</div>
<div><a href="harbour.html#rte-base-1095">RTE BASE/1095</a> Invalid argument passed to function</div>
<div><a href="harbour.html#rte-base-1096">RTE BASE/1096</a> Invalid argument passed to function</div>
<div><a href="harbour.html#rte-base-1097">RTE BASE/1097</a> Invalid argument passed to function</div>
<div><a href="harbour.html#rte-base-1098">RTE BASE/1098</a> Invalid argument passed to function</div>
<div><a href="harbour.html#rte-base-1099">RTE BASE/1099</a> Invalid argument passed to function</div>
<div><a href="harbour.html#rte-base-1100">RTE BASE/1100</a> Incorrect type of argument</div>
<div><a href="harbour.html#rte-base-1101">RTE BASE/1101</a> Incorrect type of argument</div>
<div><a href="harbour.html#rte-base-1102">RTE BASE/1102</a> Invalid argument passed to function</div>
<div><a href="harbour.html#rte-base-1103">RTE BASE/1103</a> Invalid argument passed to function</div>
<div><a href="harbour.html#rte-base-1104">RTE BASE/1104</a> Incorrect type of argument</div>
<div><a href="harbour.html#rte-base-1105">RTE BASE/1105</a> Invalid argument passed to function</div>
<div><a href="harbour.html#rte-base-1106">RTE BASE/1106</a> Invalid argument passed to function</div>
<div><a href="harbour.html#rte-base-1107">RTE BASE/1107</a> Incorrect type of argument</div>
<div><a href="harbour.html#rte-base-1108">RTE BASE/1108</a> Incorrect type of argument</div>
<div><a href="harbour.html#rte-base-1109">RTE BASE/1109</a> Invalid type of arguments</div>
<div><a href="harbour.html#rte-base-1110">RTE BASE/1110</a> Invalid argument passed to function</div>
<div><a href="harbour.html#rte-base-1111">RTE BASE/1111</a> Invalid argument passed to function</div>
<div><a href="harbour.html#rte-base-1112">RTE BASE/1112</a> Invalid argument passed to function</div>
<div><a href="harbour.html#rte-base-1113">RTE BASE/1113</a> Invalid argument passed to function</div>
<div><a href="harbour.html#rte-base-1114">RTE BASE/1114</a> Invalid argument passed to function</div>
<div><a href="harbour.html#rte-base-1115">RTE BASE/1115</a> Invalid argument passed to function</div>
<div><a href="harbour.html#rte-base-1116">RTE BASE/1116</a> Invalid argument passed to function</div>
<div><a href="harbour.html#rte-base-1117">RTE BASE/1117</a> Invalid argument passed to function</div>
<div><a href="harbour.html#rte-base-1120">RTE BASE/1120</a> Invalid argument passed to function</div>
<div><a href="harbour.html#rte-base-1122">RTE BASE/1122</a> Incorrect type of argument</div>
<div><a href="harbour.html#rte-base-1124">RTE BASE/1124</a> Incorrect type of argument</div>
<div><a href="harbour.html#rte-base-1126">RTE BASE/1126</a> Invalid argument passed to function</div>
<div><a href="harbour.html#rte-base-1132">RTE BASE/1132</a> Bound error in array access</div>
<div><a href="harbour.html#rte-base-1133">RTE BASE/1133</a> Bound error in array element assignment</div>
<div><a href="harbour.html#rte-base-2010">RTE BASE/2010</a> Incorrect arguments type</div>
<div><a href="harbour.html#rte-base-2012">RTE BASE/2012</a> File error</div>
<div><a href="harbour.html#rte-base-2017">RTE BASE/2017</a> Invalid argument passed to a function</div>
<div><a href="harbour.html#rte-base-2020">RTE BASE/2020</a> Invalid argument passed to function</div>
<div><a href="harbour.html#rte-base-3001">RTE BASE/3001</a> Incorrect argument type</div>
<div><a href="harbour.html#rte-base-3002">RTE BASE/3002</a> Super class does not return an object</div>
<div><a href="harbour.html#rte-base-3003">RTE BASE/3003</a> Cannot find super class</div>
<div><a href="harbour.html#rte-base-3004">RTE BASE/3004</a> Cannot modify a DATA item in a class</div>
<div><a href="harbour.html#rte-base-3005">RTE BASE/3005</a> Incorrect arguments type</div>
<div><a href="harbour.html#rte-base-3007">RTE BASE/3007</a> Invalid type of argument</div>
<div><a href="harbour.html#rte-base-3008">RTE BASE/3008</a> Invalid type of argument</div>
<div><a href="harbour.html#rte-base-3009">RTE BASE/3009</a> Incorrect argument passed to __mvGet() function</div>
<div><a href="harbour.html#rte-base-3010">RTE BASE/3010</a> Incorrect argument passed to __mvPut() function</div>
<div><a href="harbour.html#rte-base-3012">RTE BASE/3012</a> Invalid argument passed to a function</div>
<div><a href="harbour.html#rte-base-3101">RTE BASE/3101</a> Invalid argument passed to an object/class function</div>
<div><a href="harbour.html#rte-base-3102">RTE BASE/3102</a> A symbol should be modified or deleted from a class, but the symbol doesn't exist.</div>
<div><a href="harbour.html#rte-base-3103">RTE BASE/3103</a> A symbol should be added to a class, but the symbol already exists.</div>
<div><a href="harbour.html#rte-term-2013">RTE TERM/2013</a> Create error</div>
</div>
</section>
<section id="coremistatement" class="d-x d-id">
<h2>Statement</h2>
<div class="d-y">
<h3 class="d-sc d-id" id="coremistatementmirdd">RDD</h3><div><a href="harbour.html#field-cmd">FIELD</a> Declares a list of database field names.</div>
<h3 class="d-sc d-id" id="coremistatementmivariable-management">Variable management</h3><div><a href="harbour.html#local-cmd">LOCAL</a> Initializes a local memory variable or array</div>
<div><a href="harbour.html#memvar-cmd">MEMVAR</a> Declares private and public variables and arrays.</div>
</div>
</section>
<section id="coremitbrowse-class" class="d-x d-id">
<h2>TBrowse class</h2>
<div class="d-y">
<hr><div><a href="harbour.html#tbrowsenew">TBrowseNew()</a> Create a Browse Object</div>
</div>
</section>
<section id="coremitbrowse-method" class="d-x d-id">
<h2>TBrowse Method</h2>
<div class="d-y">
<div><a href="harbour.html#tbrowse-addcolumn">TBrowse():AddColumn()</a> Add an New Column to an TBrowse Object</div>
<div><a href="harbour.html#tbrowse-applykey">TBrowse():ApplyKey()</a> Evaluates an code block associated with an specific key</div>
<div><a href="harbour.html#tbrowse-setkey">TBrowse():SetKey()</a> Get an optionally Set an new Code block associated to a inkey value</div>
</div>
</section>
</div>
</section>
<section id="clc53" class="d-x d-id">
<h1><a href="clc53.html#clc53">Clipper 5.3</a></h1>
<div class="d-y">
<section id="clc53mi" class="d-x d-id">
<h2></h2>
<div class="d-y">
<div><a href="clc53.html#lt-op"><</a> Less than—binary (Relational)</div>
<div><a href="clc53.html#lteq-op"><=</a> Less than or equal—binary (Relational)</div>
<div><a href="clc53.html#ltgt-noeq-ha-op"><> != #</a> Not equal—binary (Relational)</div>
<div><a href="clc53.html#eq-assign-op">= (assign)</a> Simple assign—binary (Assignment)</div>
<div><a href="clc53.html#eq-compound-assign-op">= (compound assign)</a> Compound assignment—binary (Assignment)</div>
<div><a href="clc53.html#eq-equality-op">= (equality)</a> Equal—binary (Relational)</div>
<div><a href="clc53.html#eqeq-op">==</a> Exactly equal—binary (Relational)</div>
<div><a href="clc53.html#gt-op">></a> Greater than—binary (Relational)</div>
<div><a href="clc53.html#gteq-op">>=</a> Greater than or equal—binary (Relational)</div>
<div><a href="clc53.html#mi-op">-</a> Subtraction, unary negative, concatenation (Math, Character)</div>
<div><a href="clc53.html#migt-op">-></a> Alias assignment—binary (Special)</div>
<div><a href="clc53.html#mimi-op">--</a> Decrement—unary (Mathematical)</div>
<div><a href="clc53.html#co-op">:</a> Send—binary (Object)</div>
<div><a href="clc53.html#coeq-op">:=</a> Inline assign—binary (Assignment)</div>
<div><a href="clc53.html#quorququ-op">?|??</a> Display one or more values to the console</div>
<div><a href="clc53.html#sl-op">/</a> Division—binary (Mathematical)</div>
<div><a href="clc53.html#and-op">.AND.</a> Logical AND—binary (Logical)</div>
<div><a href="clc53.html#not-op">.NOT.</a> Logical NOT—unary (Logical)</div>
<div><a href="clc53.html#or-op">.OR.</a> Logical OR—binary (Logical)</div>
<div><a href="clc53.html#bo-bc-op">( )</a> Function or grouping indicator (Special)</div>
<div><a href="clc53.html#so-sc-op">[ ]</a> Array element indicator (Special)</div>
<div><a href="clc53.html#co-cc-op">{ }</a> Literal array and code block delimiters (Special)</div>
<div><a href="clc53.html#at-op">@</a> Pass-by-reference—unary (Special)</div>
<div><a href="clc53.html#at-box-cmd">@...BOX</a> Draw a box on the screen</div>
<div><a href="clc53.html#at-clear-cmd">@...CLEAR</a> Clear a rectangular region of the screen</div>
<div><a href="clc53.html#at-get-cmd">@...GET</a> Create a new Get object and display it to the screen</div>
<div><a href="clc53.html#at-get-checkbox-cmd">@...GET CHECKBOX</a> Create a new check box Get object and display it to the screen</div>
<div><a href="clc53.html#at-get-listbox-cmd">@...GET LISTBOX</a> Create a new list box Get object and display it to the screen</div>
<div><a href="clc53.html#at-get-pushbutton-cmd">@...GET PUSHBUTTON</a> Create a new push button Get object and display it to the screen</div>
<div><a href="clc53.html#at-get-radiogroup-cmd">@...GET RADIOGROUP</a> Create a new radio button group Get object and display it to the screen</div>
<div><a href="clc53.html#at-get-tbrowse-cmd">@...GET TBROWSE</a> Create a new TBrowse Get object and display it to the screen</div>
<div><a href="clc53.html#at-prompt-cmd">@...PROMPT</a> Paint a menu item and define a message</div>
<div><a href="clc53.html#at-say-cmd">@...SAY</a> Display data at a specified screen or printer row and column</div>
<div><a href="clc53.html#at-to-cmd">@...TO</a> Draw a single- or double-line box</div>
<div><a href="clc53.html#dl-op">$</a> Substring comparison—binary (Relational)</div>
<div><a href="clc53.html#ml-op">*</a> Multiplication—binary (Mathematical)</div>
<div><a href="clc53.html#mlml-op">**</a> Exponentiation—binary (Mathematical)</div>
<div><a href="clc53.html#et-op">&</a> Macro evaluation—unary (Special)</div>
<div><a href="clc53.html#pp-command-or-pp-translate">#command | #translate</a> Specify a user-defined command or translation directive</div>
<div><a href="clc53.html#pp-define">#define</a> Define a manifest constant or pseudofunction</div>
<div><a href="clc53.html#pp-error">#error</a> Generate a compiler error and display a message</div>
<div><a href="clc53.html#pp-ifdef">#ifdef</a> Compile a section of code if an identifier is defined</div>
<div><a href="clc53.html#pp-ifndef">#ifndef</a> Compile a section of code if an identifier is undefined</div>
<div><a href="clc53.html#pp-include">#include</a> Include a file into the current source file</div>
<div><a href="clc53.html#pp-stdout">#stdout</a> Send literal text to the standard output device</div>
<div><a href="clc53.html#pp-undef">#undef</a> Remove a #define macro definition</div>
<div><a href="clc53.html#pp-xcommand-or-pp-xtranslate">#xcommand | #xtranslate</a> Specify a user-defined command or translation directive</div>
<div><a href="clc53.html#pc-op">%</a> Modulus—binary (Mathematical)</div>
<div><a href="clc53.html#pl-op">+</a> Addition, unary positive, concatenation (Math, Character)</div>
<div><a href="clc53.html#plpl-op">++</a> Increment—unary (Mathematical)</div>
<div><a href="clc53.html#aadd">AAdd()</a> Add a new element to the end of an array</div>
<div><a href="clc53.html#abs">Abs()</a> Return the absolute value of a numeric expression</div>
<div><a href="clc53.html#accept-cmd">ACCEPT*</a> Place keyboard input into a memory variable</div>
<div><a href="clc53.html#achoice">AChoice()</a> Execute a pop-up menu</div>
<div><a href="clc53.html#aclone">AClone()</a> Duplicate a nested or multidimensional array</div>
<div><a href="clc53.html#acopy">ACopy()</a> Copy elements from one array to another</div>
<div><a href="clc53.html#adel">ADel()</a> Delete an array element</div>
<div><a href="clc53.html#adir">ADir()*</a> Fill a series of arrays with directory information</div>
<div><a href="clc53.html#aeval">AEval()</a> Execute a code block for each element in an array</div>
<div><a href="clc53.html#afields">AFields()*</a> Fill arrays with the structure of the current database file</div>
<div><a href="clc53.html#afill">AFill()</a> Fill an array with a specified value</div>
<div><a href="clc53.html#ains">AIns()</a> Insert a NIL element into an array</div>
<div><a href="clc53.html#alert">Alert()</a> Display a simple modal dialog box</div>
<div><a href="clc53.html#alias">Alias()</a> Return a specified work area alias</div>
<div><a href="clc53.html#alltrim">AllTrim()</a> Remove leading and trailing spaces from a character string</div>
<div><a href="clc53.html#altd">AltD()</a> Invoke the CA-Clipper debugger</div>
<div><a href="clc53.html#announce-cmd">ANNOUNCE</a> Declare a module identifier</div>
<div><a href="clc53.html#append-blank-cmd">APPEND BLANK</a> Add a new record to the current database file</div>
<div><a href="clc53.html#append-from-cmd">APPEND FROM</a> Import records from a database (.dbf) file or ASCII text file</div>
<div><a href="clc53.html#array">Array()</a> Create an uninitialized array of specified length</div>
<div><a href="clc53.html#asc">Asc()</a> Convert a character to its ASCII value</div>
<div><a href="clc53.html#ascan">AScan()</a> Scan an array for a value or until a block returns true (<code>.T.</code>)</div>
<div><a href="clc53.html#asize">ASize()</a> Grow or shrink an array</div>
<div><a href="clc53.html#asort">ASort()</a> Sort an array</div>
<div><a href="clc53.html#at">At()</a> Return the position of a substring within a character string</div>
<div><a href="clc53.html#atail">ATail()</a> Return the highest numbered element of an array</div>
<div><a href="clc53.html#average-cmd">AVERAGE</a> Average numeric expressions in the current work area</div>
<div><a href="clc53.html#begin-sequence-cmd">BEGIN SEQUENCE</a> Define a sequence of statements for a BREAK</div>
<div><a href="clc53.html#bin2i">Bin2I()</a> Convert a 16-bit signed integer to a numeric value</div>
<div><a href="clc53.html#bin2l">Bin2L()</a> Convert a 32-bit signed integer to a numeric value</div>
<div><a href="clc53.html#bin2w">Bin2W()</a> Convert a 16-bit unsigned integer to a numeric value</div>
<div><a href="clc53.html#blobdirectexport">BLOBDIRECTEXPORT()</a> Export the contents of a binary large object (BLOB) pointer to a file</div>
<div><a href="clc53.html#blobdirectget">BLOBDIRECTGET()</a> Retrieve data stored in a BLOB file without referencing a specific field</div>
<div><a href="clc53.html#blobdirectimport">BLOBDIRECTIMPORT()</a> Import a file into a BLOB file and return a pointer to the data</div>
<div><a href="clc53.html#blobdirectput">BLOBDIRECTPUT()</a> Put data in a BLOB file without referencing a specific field</div>
<div><a href="clc53.html#blobexport">BLOBEXPORT()</a> Copy the contents of a BLOB, identified by its memo field number, to a file</div>
<div><a href="clc53.html#blobget">BLOBGET()</a> Get the contents of a BLOB, identified by its memo field number</div>
<div><a href="clc53.html#blobimport">BLOBIMPORT()</a> Read the contents of a file as a BLOB, identified by a memo field number</div>
<div><a href="clc53.html#blobrootget">BLOBROOTGET()</a> Retrieve the data from the root area of a BLOB file</div>
<div><a href="clc53.html#blobrootlock">BLOBROOTLOCK()</a> Obtain a lock on the root area of a BLOB file</div>
<div><a href="clc53.html#blobrootput">BLOBROOTPUT()</a> Store data in the root area of a BLOB file</div>
<div><a href="clc53.html#blobrootunlock">BLOBROOTUNLOCK()</a> Release the lock on a BLOB file's root area</div>
<div><a href="clc53.html#bof">Bof()</a> Determine when beginning of file is encountered</div>
<div><a href="clc53.html#break">Break()</a> Branch out of a BEGIN SEQUENCE...END construct</div>
<div><a href="clc53.html#browse">Browse()*</a> Browse records within a window</div>
<div><a href="clc53.html#call-cmd">CALL*</a> Execute a C or Assembler procedure</div>
<div><a href="clc53.html#cancel-cmd">CANCEL*</a> Terminate program processing</div>
<div><a href="clc53.html#cdow">CDoW()</a> Convert a date value to a character day of the week</div>
<div><a href="clc53.html#checkbox-class">CheckBox class</a> Create check boxes, which are controls that can be toggled on or off by a user</div>
<div><a href="clc53.html#chr">Chr()</a> Convert an ASCII code to a character value</div>
<div><a href="clc53.html#clear-all-cmd">CLEAR ALL*</a> Close files and release public and private variables</div>
<div><a href="clc53.html#clear-gets-cmd">CLEAR GETS</a> Release Get objects from the current GetList array</div>
<div><a href="clc53.html#clear-memory-cmd">CLEAR MEMORY</a> Release all public and private variables</div>
<div><a href="clc53.html#clear-screen-cmd">CLEAR SCREEN</a> Clear the screen and return the cursor home</div>
<div><a href="clc53.html#clear-typeahead-cmd">CLEAR TYPEAHEAD</a> Empty the keyboard buffer</div>
<div><a href="clc53.html#close-cmd">CLOSE</a> Close a specific set of files</div>
<div><a href="clc53.html#cmonth">CMonth()</a> Convert a date to a character month name</div>
<div><a href="clc53.html#col">Col()</a> Return the screen cursor column position</div>
<div><a href="clc53.html#colorselect">ColorSelect()</a> Activate attribute in current color settings</div>
<div><a href="clc53.html#commit-cmd">COMMIT</a> Perform a solid-disk write for all active work areas</div>
<div><a href="clc53.html#continue-cmd">CONTINUE</a> Resume a pending LOCATE</div>
<div><a href="clc53.html#copy-file-cmd">COPY FILE</a> Copy a file to a new file or to a device</div>
<div><a href="clc53.html#copy-structure-cmd">COPY STRUCTURE</a> Copy the current .dbf structure to a new database (.dbf) file</div>
<div><a href="clc53.html#copy-structure-extended-cmd">COPY STRUCTURE EXTENDED</a> Copy field definitions to a .dbf file</div>
<div><a href="clc53.html#copy-to-cmd">COPY TO</a> Export records to a new database (.dbf) file or ASCII text file</div>
<div><a href="clc53.html#count-cmd">COUNT</a> Tally records to a variable</div>
<div><a href="clc53.html#create-cmd">CREATE</a> Create an empty structure extended (.dbf) file</div>
<div><a href="clc53.html#create-from-cmd">CREATE FROM</a> Create a new .dbf file from a structure extended file</div>
<div><a href="clc53.html#ctod">CToD()</a> Convert a date string to a date value</div>
<div><a href="clc53.html#curdir">CurDir()</a> Return the current DOS directory</div>
<div><a href="clc53.html#dbappend">dbAppend()</a> Append a new record to the database open in the current work area</div>
<div><a href="clc53.html#dbclearfilter">dbClearFilter()</a> Clear a filter condition</div>
<div><a href="clc53.html#dbclearindex">dbClearIndex()</a> Close all indexes for the current work area</div>
<div><a href="clc53.html#dbclearrelation">dbClearRelation()</a> Clear active relations</div>
<div><a href="clc53.html#dbcloseall">dbCloseAll()</a> Close all occupied work areas</div>
<div><a href="clc53.html#dbclosearea">dbCloseArea()</a> Close a work area</div>
<div><a href="clc53.html#dbcommit">dbCommit()</a> Flush pending updates</div>
<div><a href="clc53.html#dbcommitall">dbCommitAll()</a> Flush pending updates in all work areas</div>
<div><a href="clc53.html#dbcreate">dbCreate()</a> Create a database file from a database structure array</div>
<div><a href="clc53.html#dbcreateindex">dbCreateIndex()</a> Create an index file</div>
<div><a href="clc53.html#dbdelete">dbDelete()</a> Mark a record for deletion</div>
<div><a href="clc53.html#dbedit">dbEdit()</a> Browse records in a table layout</div>
<div><a href="clc53.html#dbeval">dbEval()</a> Evaluate a code block for each record matching a scope and condition</div>
<div><a href="clc53.html#dbfieldinfo">dbFieldInfo()</a> Return and optionally change information about a field</div>
<div><a href="clc53.html#dbfileget">dbFileGet()</a> Insert the contents of a field into a file</div>
<div><a href="clc53.html#dbfileput">dbFilePut()</a> Insert the contents of a file into a field</div>
<div><a href="clc53.html#dbfilter">dbFilter()</a> Return the current filter expression as a character string</div>
<div><a href="clc53.html#dbgobottom">dbGoBottom()</a> Move to the last logical record</div>
<div><a href="clc53.html#dbgoto">dbGoto()</a> Position record pointer to a specific identity</div>
<div><a href="clc53.html#dbgotop">dbGoTop()</a> Move to the first logical record</div>
<div><a href="clc53.html#dbinfo">dbInfo()</a> Return and optionally change information about a database file opened in a work area</div>
<div><a href="clc53.html#dborderinfo">dbOrderInfo()</a> Return and optionally change information about orders and index files</div>
<div><a href="clc53.html#dbrecall">dbRecall()</a> Reinstate a record marked for deletion</div>
<div><a href="clc53.html#dbrecordinfo">dbRecordInfo()</a> Return and optionally change information about a record</div>
<div><a href="clc53.html#dbreindex">dbReindex()</a> Recreate all active indexes for the current work area</div>
<div><a href="clc53.html#dbrelation">dbRelation()</a> Return the linking expression of a specified relation</div>
<div><a href="clc53.html#dbrlock">dbRLock()</a> Lock the record at the current or specified identity</div>
<div><a href="clc53.html#dbrlocklist">dbRLockList()</a> Return an array of the current lock list</div>
<div><a href="clc53.html#dbrselect">dbRSelect()</a> Return the target work area number of a relation</div>
<div><a href="clc53.html#dbrunlock">dbRUnlock()</a> Release all or specified record locks</div>
<div><a href="clc53.html#dbseek">dbSeek()</a> Move to the record having the specified key value</div>
<div><a href="clc53.html#dbselectarea">dbSelectArea()</a> Change the current work area</div>
<div><a href="clc53.html#dbsetdriver">dbSetDriver()</a> Return the default database driver and optionally set a new driver</div>
<div><a href="clc53.html#dbsetfilter">dbSetFilter()</a> Set a filter condition</div>
<div><a href="clc53.html#dbsetindex">dbSetIndex()</a> Empty orders from an order bag into the order list</div>
<div><a href="clc53.html#dbsetorder">dbSetOrder()</a> Set the controlling order</div>
<div><a href="clc53.html#dbsetrelation">dbSetRelation()</a> Relate two work areas</div>
<div><a href="clc53.html#dbskip">dbSkip()</a> Move relative to the current record</div>
<div><a href="clc53.html#dbstruct">dbStruct()</a> Create an array containing the structure of a database file</div>
<div><a href="clc53.html#dbunlock">dbUnlock()</a> Release all locks for the current work area</div>
<div><a href="clc53.html#dbunlockall">dbUnlockAll()</a> Release all locks for all work areas</div>
<div><a href="clc53.html#dbusearea">dbUseArea()</a> Use a database file in a work area</div>
<div><a href="clc53.html#date">Date()</a> Return the system date as a date value</div>
<div><a href="clc53.html#day">Day()</a> Return the day of the month as a numeric value</div>
<div><a href="clc53.html#dbf">Dbf()*</a> Return current alias name</div>
<div><a href="clc53.html#deleted">Deleted()</a> Return the deleted status of the current record</div>
<div><a href="clc53.html#descend">Descend()</a> Create a descending index key value</div>
<div><a href="clc53.html#devout">DevOut()</a> Write a value to the current device</div>
<div><a href="clc53.html#devoutpict">DevOutPict()</a> Write a value to the current device using a picture clause</div>
<div><a href="clc53.html#devpos">DevPos()</a> Move the cursor or printhead to a new position depending on the current device</div>
<div><a href="clc53.html#declare-cmd">DECLARE*</a> Create and initialize private memory variables and arrays</div>
<div><a href="clc53.html#delete-cmd">DELETE</a> Mark records for deletion</div>
<div><a href="clc53.html#delete-file-cmd">DELETE FILE</a> Remove a file from disk</div>
<div><a href="clc53.html#delete-tag-cmd">DELETE TAG</a> Delete a tag</div>
<div><a href="clc53.html#dirchange">DirChange()</a> Change the current DOS directory</div>
<div><a href="clc53.html#directory">Directory()</a> Create an array of directory and file information</div>
<div><a href="clc53.html#dirmake">DirMake()</a> Create a directory</div>
<div><a href="clc53.html#dirremove">DirRemove()</a> Remove a directory</div>
<div><a href="clc53.html#diskchange">DiskChange()</a> Change the current DOS disk drive</div>
<div><a href="clc53.html#diskname">DiskName()</a> Return the current DOS drive</div>
<div><a href="clc53.html#diskspace">DiskSpace()</a> Return the space available on a specified disk</div>
<div><a href="clc53.html#dispbegin">DispBegin()</a> Begin buffering screen output</div>
<div><a href="clc53.html#dispbox">DispBox()</a> Display a box on the screen</div>
<div><a href="clc53.html#dispcount">DispCount()</a> Return the number of pending DispEnd() requests</div>
<div><a href="clc53.html#dispend">DispEnd()</a> Display buffered screen updates</div>
<div><a href="clc53.html#dispout">DispOut()</a> Write a value to the display</div>
<div><a href="clc53.html#dir-cmd">DIR*</a> Display a listing of files from a specified path</div>
<div><a href="clc53.html#display-cmd">DISPLAY</a> Display records to the console</div>
<div><a href="clc53.html#doserror">DosError()</a> Return the last DOS error number</div>
<div><a href="clc53.html#dow">DoW()</a> Convert a date value to a numeric day of the week</div>
<div><a href="clc53.html#do-case-cmd">DO CASE</a> Execute one of several alternative blocks of statements</div>
<div><a href="clc53.html#do-while-cmd">DO WHILE</a> Execute a loop while a condition is true (<code>.T.</code>)</div>
<div><a href="clc53.html#do-cmd">DO*</a> Call a procedure</div>
<div><a href="clc53.html#dtoc">DToC()</a> Convert a date value to a character string</div>
<div><a href="clc53.html#dtos">DToS()</a> Convert a date value to a character string formatted as yyyymmdd</div>
<div><a href="clc53.html#eject-cmd">EJECT</a> Advance the printhead to top of form</div>
<div><a href="clc53.html#empty">Empty()</a> Determine if the result of an expression is empty</div>
<div><a href="clc53.html#eof">Eof()</a> Determine when end of file is encountered</div>
<div><a href="clc53.html#error-class">Error class</a> Provides objects containing information about runtime errors</div>
<div><a href="clc53.html#errorblock">ErrorBlock()</a> Post a code block to execute when a runtime error occurs</div>
<div><a href="clc53.html#errorlevel">ErrorLevel()</a> Set the CA-Clipper return code</div>
<div><a href="clc53.html#erase-cmd">ERASE</a> Remove a file from disk</div>
<div><a href="clc53.html#eval">Eval()</a> Evaluate a code block</div>
<div><a href="clc53.html#exp">Exp()</a> Calculate e**x</div>
<div><a href="clc53.html#exit-procedure-cmd">EXIT PROCEDURE</a> Declare an exit procedure</div>
<div><a href="clc53.html#external-cmd">EXTERNAL*</a> Declare a list of procedure or user-defined function names to the linker</div>
<div><a href="clc53.html#fclose">FClose()</a> Close an open binary file and write DOS buffers to disk</div>
<div><a href="clc53.html#fcount">FCount()</a> Return the number of fields in the current .dbf file</div>
<div><a href="clc53.html#fcreate">FCreate()</a> Create and/or truncate a binary file to zero-length</div>
<div><a href="clc53.html#ferase">FErase()</a> Delete a file from disk</div>
<div><a href="clc53.html#ferror">FError()</a> Test for errors after a binary file operation</div>
<div><a href="clc53.html#fieldblock">FieldBlock()</a> Return a set-get code block for a given field</div>
<div><a href="clc53.html#fieldget">FieldGet()</a> Retrieve the value of a field using the ordinal position of the field in the database structure</div>
<div><a href="clc53.html#fieldname-field">FieldName()/Field()</a> Return a field name from the current database (.dbf) file</div>
<div><a href="clc53.html#fieldpos">FieldPos()</a> Return the position of a field in a work area</div>
<div><a href="clc53.html#fieldput">FieldPut()</a> Set the value of a field variable using the ordinal position of the field in the database structure</div>
<div><a href="clc53.html#fieldwblock">FieldWBlock()</a> Return a set-get code block for a field in a given work area</div>
<div><a href="clc53.html#field-cmd">FIELD</a> Declare database field names</div>
<div><a href="clc53.html#file">FILE()</a> Determine if files exist in the CA-Clipper default directory or path</div>
<div><a href="clc53.html#find-cmd">FIND*</a> Search an index for a specified key value</div>
<div><a href="clc53.html#fklabel">FKLabel()*</a> Return function key name</div>
<div><a href="clc53.html#fkmax">FKMax()*</a> Return number of function keys as a constant</div>
<div><a href="clc53.html#flock">FLock()</a> Lock an open and shared database file</div>
<div><a href="clc53.html#found">Found()</a> Determine if the previous search operation succeeded</div>
<div><a href="clc53.html#fopen">FOpen()</a> Open a binary file</div>
<div><a href="clc53.html#for-cmd">FOR</a> Execute a block of statements a specified number of times</div>
<div><a href="clc53.html#fread">FRead()</a> Read characters from a binary file into a buffer variable</div>
<div><a href="clc53.html#freadstr">FReadStr()</a> Read characters from a binary file</div>
<div><a href="clc53.html#frename">FRename()</a> Change the name of a file</div>
<div><a href="clc53.html#fseek">FSeek()</a> Set a binary file pointer to a new position</div>
<div><a href="clc53.html#function-cmd">FUNCTION</a> Declare a user-defined function name and formal parameters</div>
<div><a href="clc53.html#fwrite">FWrite()</a> Write to an open binary file</div>
<div><a href="clc53.html#gbmpdisp">GBMPDISP()</a> Display a bitmap (.BMP) file on screen</div>
<div><a href="clc53.html#gbmpload">GBMPLOAD()</a> Load a bitmap (.bmp) or icon (.ico) file into memory</div>
<div><a href="clc53.html#get-class">Get class</a> Provides objects for interactive editing of database fields and variables</div>
<div><a href="clc53.html#getactive">GetActive()</a> Return the currently active Get object</div>
<div><a href="clc53.html#getapplykey">GetApplyKey()</a> Apply a key to a Get object from within a reader</div>
<div><a href="clc53.html#getdosetkey">GetDoSetKey()</a> Process SET KEY during GET editing</div>
<div><a href="clc53.html#getenv">GetEnv()</a> Retrieve the contents of a DOS environment variable</div>
<div><a href="clc53.html#getpostvalidate">GetPostValidate()</a> Postvalidate the current Get object</div>
<div><a href="clc53.html#getprevalidate">GetPreValidate()</a> Prevalidate a Get object</div>
<div><a href="clc53.html#getreader">GetReader()</a> Execute standard READ behavior for a Get object</div>
<div><a href="clc53.html#gellipse">GELLIPSE()</a> Draw an ellipse or circle</div>
<div><a href="clc53.html#gfnterase">GFNTERASE()</a> Erase a font from memory</div>
<div><a href="clc53.html#gfntload">GFNTLOAD()</a> Load a font file into memory</div>
<div><a href="clc53.html#gfntset">GFNTSET()</a> Set an already loaded font as active</div>
<div><a href="clc53.html#gframe">GFRAME()</a> Draw a frame with a 3-D look</div>
<div><a href="clc53.html#ggetpixel">GGETPIXEL()</a> Get color information for a pixel</div>
<div><a href="clc53.html#gline">GLINE()</a> Draw a line in graphic mode</div>
<div><a href="clc53.html#gmode">GMODE()</a> Switch video mode</div>
<div><a href="clc53.html#go-cmd">GO</a> Move the pointer to the specified identity</div>
<div><a href="clc53.html#gpolygon">GPOLYGON()</a> Draw a polygon on screen</div>
<div><a href="clc53.html#gputpixel">GPUTPIXEL()</a> Draw a pixel on the screen</div>
<div><a href="clc53.html#grect">GRECT()</a> Draw a rectangle in graphic mode</div>
<div><a href="clc53.html#gsetclip">GSETCLIP()</a> Define the allowed display area</div>
<div><a href="clc53.html#gsetexcl">GSETEXCL()</a> Define a screen region to be excluded from display</div>
<div><a href="clc53.html#gsetpal">GSETPAL()</a> Change components of a color</div>
<div><a href="clc53.html#gwriteat">GWRITEAT()</a> Draw graphic text without background</div>
<div><a href="clc53.html#hardcr">HardCR()</a> Replace all soft carriage returns in a character string with hard carriage returns</div>
<div><a href="clc53.html#header">Header()</a> Return the current database file header length</div>
<div><a href="clc53.html#i2bin">I2Bin()</a> Convert a CA-Clipper numeric to a 16-bit binary integer</div>
<div><a href="clc53.html#if-cmd">IF</a> Execute one of several alternative blocks of statements</div>
<div><a href="clc53.html#if">IF()</a> Return the result of an expression based on a condition</div>
<div><a href="clc53.html#iif">IIF()</a> Return the result of an expression based on a condition</div>
<div><a href="clc53.html#indexext">IndexExt()</a> Return the default index extension based on the database driver currently linked</div>
<div><a href="clc53.html#indexkey">IndexKey()</a> Return the key expression of a specified index</div>
<div><a href="clc53.html#indexord">IndexOrd()</a> Return the order position of the controlling index</div>
<div><a href="clc53.html#inkey">Inkey()</a> Extract a character from the keyboard buffer or a mouse event</div>
<div><a href="clc53.html#index-cmd">INDEX</a> Create an index file</div>
<div><a href="clc53.html#init-procedure-cmd">INIT PROCEDURE</a> Declare an initialization procedure</div>
<div><a href="clc53.html#input-cmd">INPUT*</a> Enter the result of an expression into a variable</div>
<div><a href="clc53.html#int">INT()</a> Convert a numeric value to an integer</div>
<div><a href="clc53.html#isalpha">IsAlpha()</a> Determine if the leftmost character in a string is alphabetic</div>
<div><a href="clc53.html#iscolor">IsColor()</a> Determine if the current computer has color capability</div>
<div><a href="clc53.html#isdigit">IsDigit()</a> Determine if the leftmost character in a character string is a digit</div>
<div><a href="clc53.html#islower">IsLower()</a> Determine if the leftmost character is a lowercase letter</div>
<div><a href="clc53.html#isprinter">IsPrinter()</a> Determine whether LPT1 is ready</div>
<div><a href="clc53.html#isupper">IsUpper()</a> Determine if the leftmost character in a string is uppercase</div>
<div><a href="clc53.html#join-cmd">JOIN</a> Create a new database file by merging records/fields from two work areas</div>
<div><a href="clc53.html#keyboard-cmd">KEYBOARD</a> Stuff a string into the keyboard buffer</div>
<div><a href="clc53.html#l2bin">L2Bin()</a> Convert a CA-Clipper numeric value to a 32-bit binary integer</div>
<div><a href="clc53.html#lastkey">LastKey()</a> Return the Inkey() value of the last key extracted from the keyboard buffer</div>
<div><a href="clc53.html#lastrec">LastRec()</a> Determine the number of records in the current .dbf file</div>
<div><a href="clc53.html#label-form-cmd">LABEL FORM</a> Display labels to the console</div>
<div><a href="clc53.html#left">Left()</a> Extract a substring beginning with the first character in a string</div>
<div><a href="clc53.html#len">Len()</a> Return the length of a character string or the number of elements in an array</div>
<div><a href="clc53.html#listbox-class">ListBox class</a> Create a list box</div>
<div><a href="clc53.html#list-cmd">LIST</a> List records to the console</div>
<div><a href="clc53.html#log">Log()</a> Calculate the natural logarithm of a numeric value</div>
<div><a href="clc53.html#lower">Lower()</a> Convert uppercase characters to lowercase</div>
<div><a href="clc53.html#local-cmd">LOCAL</a> Declare and initialize local variables and arrays</div>
<div><a href="clc53.html#locate-cmd">LOCATE</a> Search sequentially for a record matching a condition</div>
<div><a href="clc53.html#ltrim">LTrim()</a> Remove leading spaces from a character string</div>
<div><a href="clc53.html#lupdate">LUpdate()</a> Return the last modification date of a database (.dbf) file</div>
<div><a href="clc53.html#max">Max()</a> Return the larger of two numeric or date values</div>
<div><a href="clc53.html#maxcol">MaxCol()</a> Determine the maximum visible screen column</div>
<div><a href="clc53.html#maxrow">MaxRow()</a> Determine the maximum visible screen row</div>
<div><a href="clc53.html#mcol">MCol()</a> Determine the mouse cursor's screen column position</div>
<div><a href="clc53.html#mdblclk">MDblClk()</a> Determine the double-click speed threshold of the mouse</div>
<div><a href="clc53.html#memoedit">MemoEdit()</a> Display or edit character strings and memo fields</div>
<div><a href="clc53.html#memoline">MemoLine()</a> Extract a line of text from a character string or memo field</div>
<div><a href="clc53.html#memory">Memory()</a> Determine the amount of available free pool memory</div>
<div><a href="clc53.html#memoread">MemoRead()</a> Return the contents of a disk file as a character string</div>
<div><a href="clc53.html#memotran">MemoTran()</a> Replace carriage return/linefeeds in character strings</div>
<div><a href="clc53.html#memowrit">MemoWrit()</a> Write a character string or memo field to a disk file</div>
<div><a href="clc53.html#memvarblock">MemVarBlock()</a> Return a set-get code block for a given memory variable</div>
<div><a href="clc53.html#menuitem-class">MenuItem class</a> Create a menu item</div>
<div><a href="clc53.html#menumodal">MenuModal()</a> Activate a top bar menu</div>
<div><a href="clc53.html#memosetsuper">MEMOSETSUPER()</a> Set an RDD inheritance chain for the DBFMEMO database driver</div>
<div><a href="clc53.html#memvar-cmd">MEMVAR</a> Declare private and public variable names</div>
<div><a href="clc53.html#menu-to-cmd">MENU TO</a> Execute a lightbar menu for defined PROMPTs</div>
<div><a href="clc53.html#mhide">MHide()</a> Hide the mouse pointer</div>
<div><a href="clc53.html#min">Min()</a> Return the smaller of two numeric or date values</div>
<div><a href="clc53.html#mlcount">MLCount()</a> Count the number of lines in a character string or memo field</div>
<div><a href="clc53.html#mlctopos">MLCToPos()</a> Return the byte position of a formatted string based on line and column position</div>
<div><a href="clc53.html#mleftdown">MLeftDown()</a> Determine the press status of the left mouse button</div>
<div><a href="clc53.html#mlpos">MLPos()</a> Determine the position of a line in a character string or memo field</div>
<div><a href="clc53.html#mod">Mod()*</a> Return the dBASE III PLUS modulus of two numbers</div>
<div><a href="clc53.html#month">Month()</a> Convert a date value to the number of the month</div>
<div><a href="clc53.html#mpostolc">MPosToLC()</a> Return line and column position of a formatted string based on a specified byte position</div>
<div><a href="clc53.html#mpresent">MPresent()</a> Determine if a mouse is present</div>
<div><a href="clc53.html#mreststate">MRestState()</a> Re-establish the previous state of a mouse</div>
<div><a href="clc53.html#mrightdown">MRightDown()</a> Determine the status of the right mouse button</div>
<div><a href="clc53.html#mrow">MRow()</a> Determine a mouse cursor's screen row position</div>
<div><a href="clc53.html#msavestate">MSaveState()</a> Save the current state of a mouse</div>
<div><a href="clc53.html#msetbounds">MSetBounds()</a> Set screen boundaries for the mouse cursor</div>
<div><a href="clc53.html#msetcursor">MSetCursor()</a> Determine a mouse's visibility</div>
<div><a href="clc53.html#msetpos">MSetPos()</a> Set a new position for the mouse cursor</div>
<div><a href="clc53.html#msetclip">MSETCLIP()</a> Define an inclusion region</div>
<div><a href="clc53.html#mshow">MShow()</a> Display the mouse pointer</div>
<div><a href="clc53.html#mstate">MSTATE()</a> Return the current mouse state</div>
<div><a href="clc53.html#neterr">NetErr()</a> Determine if a network command has failed</div>
<div><a href="clc53.html#netname">NetName()</a> Return the current workstation identification</div>
<div><a href="clc53.html#nextkey">NextKey()</a> Read the pending key in the keyboard buffer</div>
<div><a href="clc53.html#nosnow">NoSnow()</a> Toggle snow suppression</div>
<div><a href="clc53.html#note-cmd">NOTE*</a> Place a single-line comment in a program file</div>
<div><a href="clc53.html#ordbagext">ordBagExt()</a> Return the default order bag RDD extension</div>
<div><a href="clc53.html#ordbagname">ordBagName()</a> Return the order bag name of a specific order</div>
<div><a href="clc53.html#ordcondset">ordCondSet()</a> Set the condition and scope for an order</div>
<div><a href="clc53.html#ordcreate">ordCreate()</a> Create an order in an order bag</div>
<div><a href="clc53.html#orddescend">ordDescend()</a> Return and optionally change the descending flag of an order</div>
<div><a href="clc53.html#orddestroy">ordDestroy()</a> Remove a specified order from an order bag</div>
<div><a href="clc53.html#ordfor">ordFor()</a> Return the FOR expression of an order</div>