| Item | Description |
| #if | Compile a section of code based on a condition. |
| #pragma | Controls compiler switches at compile time. |
| #uncommand | #untranslate | Voids a previously defined #command or #translate directive. |
| #xuncommand | #xuntranslate | Voids a previously defined #xcommand or #xtranslate directive. |
| & (bitwise AND) | Bitwise AND operator (binary): performs a logical AND operation. |
| (struct) | Creates a new structure object |
| << | Left-shift operator (binary): shifts bits to the left. |
| <|| > | Extended literal code block. |
| >> | Right-shift operator (binary): shifts bits to the right. |
| @() | Function-reference operator (unary): obtains a function pointer. |
| ACCESS | Declares an ACCESS method of a class. |
| ALenAlloc() | Determines for how much array elements memory is pre-allocated. |
| AnsiToHtml() | Inserts HTML character entities into an ANSI text string, |
| ASizeAlloc() | Pre-allocates memory for an array. |
| ASSIGN | Declares an ASSIGN method of a class. |
| ASSOCIATE CLASS | Defines a scalar class for a native data type. |
| AtSkipStrings() | Locates the position of a substring within a character string. |
| C Structure class | Abstract class for C structure support. |
| CallDll() | Executes a function located in a dynamically loaded external library. |
| CharHist() | Creates a histogram of characters in a character string |
| CharRLL() | Rotates bits in a character string to the left. |
| CharRLR() | Rotates bits in a character string to the right. |
| CharSHL() | Shifts bits in a character string to the left. |
| CharSHR() | Shifts bits in a character string to the right. |
| CharSList() | Removes duplicate characters from a string and sorts the result. |
| CharSub() | Creates a string by subtracting ASCII codes of two strings. |
| CLASS | Declares the class function of a user-defined class. |
| CLASSDATA | Declares a class variable of a class. |
| CLASSMETHOD | Declares the symbolic name of a class method. |
| CLOSE LOG | Closes all open log channels. |
| CosH() | Calculates the hyperbolic cosine for an angle. |
| CreateObject() | Instantiates a new OLE Automation object. |
| CStr() | Converts a value to a character string. |
| CStrToVal() | Converts a character string to a value of specific data type. |
| CtoT() | Converts a character string into a DateTime value |
| CurDirX() | Returns the current directory of a drive including directory separators. |
| DATA | Declares an instance variable of a class. |
| DateTime() | Returns the current date and time from the operating system. |
| DbCopyExtStruct() | Creates a structure extended database file. |
| DbCopyStruct() | Creates a new database based on the current database structure. |
| DbJoin() | Merges records of two work areas into a new database. |
| Dblist() | Displays records of a work area to the console, printer or file. |
| DbSkipper() | Helper function for browse objects to skip a database |
| DbSort() | Creates a new, physically sorted database. |
| DbTotal() | Creates a new database summarizing numeric fields by an expression. |
| DbUpdate() | Updates records in the current work area from a second work area. |
| Default() | Assigns a default value to a variable. |
| DefPath() | Returns the SET DEFAULT directory. |
| DELEGATE | Declares a message to be directed to a contained object. |
| DESTRUCTOR | Declares a method to be called by the garbage collector. |
| DirectoryRecurse() | Loads file information recursively into a two-dimensional array. |
| DisableWaitLocks() | Toggles the exclusive file opening mode. |
| DiskChange() | Changes the current disk drive. |
| DiskUsed() | Returns the used storage space of a disk drive in bytes. |
| DispOutAt() | Displays a value on the screen at a certain position. |
| DispOutAtSetPos() | Toggles update of the screen cursor with DispOutAt(). |
| DllCall() | Executes a function located in a dynamically loaded external library. |
| DllExecuteCall() | Executes a DLL function via call template. |
| DllLoad() | Loads a DLL file into memory. |
| DllPrepareCall() | Creates a call template for an external DLL function. |
| DllUnload() | Releases a dynamically loaded external DLL from memory. |
| ENABLE TYPE CLASS | Activates scalar classes for native data tyes. |
| ERROR HANDLER | Declares the method for error handling within a class. |
| EXPORTED: | Declares the EXPORTED attribute for a group of member variables and/or methods. |
| EXTEND CLASS...WITH DATA | Adds a new member variable to an existing class. |
| EXTEND CLASS...WITH METHOD | Adds a new method to an existing class. |
| FCharCount() | Counts the number of characters in a text file ignoring white space characters. |
| FieldDec() | Retrieves the number of decimal places of a field variable. |
| FieldLen() | Retrieves the number of bytes occupied by a field variable. |
| FieldType() | Retrieves the data type of a field variable. |
| FileReader() | Returns a new TStreamFileReader object. |
| FileStats() | Retrieves file information for a single file. |
| FileWriter() | Returns a new TStreamFileWriter object. |
| FLineCount() | Counts the lines in an ASCII text file. |
| FOR EACH | Iterates elements of data types that can be seen as a collection. |
| FParse() | Parses a delimited text file and loads it into an array. |
| FParseEx() | Parses a delimited text file and loads it into an array (optimized). |
| FParseLine() | Parses one line of a delimited text and loads it into an array. |
| FreeLibrary() | Releases a dynamically loaded external DLL from memory. |
| FWordCount() | Counts the words in a text file. |
| GetActiveObject() | Retturns an instantiated OLE Automation object. |
| GetCurrentThread() | Retrieves the handle of the current thread. |
| GetDefaultPrinter() | Retrieves the name of a computer's default printer. |
| GetLastError() | Retrieves the error code of the last dynamically called DLL function. |
| GetPrinters() | Retrieves information about available printers. |
| GetProcAddress() | Retrieves the memory address of a function in a dynamically loaded DLL. |
| GetRegistry() | Retrieves the value of a registry entry |
| GetSystemThreadID() | Retrieves the numeric system Thread ID of a thread. |
| GetThreadID() | Retrieves the numeric application Thread ID of a thread. |
| GetVolInfo() | Retrieves the volume label of a disk. |
| GLOBAL | Declares and optionally initializes a GLOBAL memory variable. |
| HaaDelAt() | Removes a key/value pair from an associative array. |
| HaaGetKeyAt() | Retrieves the key from an associative array by its ordinal position. |
| HaaGetPos() | Retrieves the ordinal position of a key in an associative array. |
| HaaGetRealPos() | Retrieves the sort order of a key in an associative array. |
| HaaGetValueAt() | Retrieves the value from an associative array by its ordinal position. |
| HaaSetValueAt() | Changes the value in an associative array by its ordinal position. |
| HAllocate() | Pre-allocates memory for a large hash. |
| HAS | Searches a character string for a matching regular expression. |
| Hash() | Creates a new hash. |
| HbConsoleLock() | Locks the console for the current thread |
| HbConsoleUnlock() | Releases the console lock. |
| HBObject() | Abstract base class for user-defined classes. |
| HBPersistent() | Abstract base class for user-defined persistent object. |
| HB_AExpressions() | Parses a character string into an array of macro expressions. |
| HB_AnsiToOem() | Converts a character string from the ANSI to the OEM character set. |
| HB_AParams() | Collects values of all parameters passed to a function, method or procedure. |
| HB_ArgC() | Returns the number of command line arguments. |
| HB_ArgCheck() | Checks if an internal switch is set on the command line. |
| HB_ArgString() | Retrieves the vale of an internal switch set on the command line. |
| HB_ArgV() | Retrieves the value of a command line argument. |
| HB_ArrayBlock() | Creates a set/get code block for an array. |
| HB_ArrayId() | Returns a unique identifier for an array or an object variable. |
| HB_ArrayToStructure() | Converts an array to a binary C structure. |
| HB_AtX() | Locates a substring within a character string based on a regular expression. |
| HB_BackGroundActive() | Queries and/or changes the activity of a single background task. |
| HB_BackGroundAdd() | Adds a new background task. |
| HB_BackGroundDel() | Removes a background task from the internal task list. |
| HB_BackGroundReset() | Resets the internal counter of background tasks. |
| HB_BackGroundRun() | Enforces execution of one or all background tasks. |
| HB_BackGroundTime() | Queries or changes the wait interval in milliseconds after which the task is executed. |
| HB_Base64Decode() | Decodes a base 64 encoded character string. |
| HB_Base64DecodeFile() | Decodes a base 64 encoded file. |
| HB_Base64Encode() | Encodes a character string base 64. |
| HB_Base64EncodeFile() | Encodes a file base 64. |
| HB_BitAnd() | Performs a bitwise AND operation with numeric integer values. |
| HB_BitIsSet() | Checks if a bit is set in a numeric integer value. |
| HB_BitNot() | Performs a bitwise NOT operation with a numeric integer value. |
| HB_BitOr() | Performs a bitwise OR operation with numeric integer values. |
| HB_BitReset() | Sets a bit in a numeric integer value to 0. |
| HB_BitSet() | Sets a bit in a numeric integer value to 1. |
| HB_BitShift() | Shifts bits in a numeric integer value. |
| HB_BitXOr() | Performs a bitwise XOR operation with numeric integer values. |
| HB_BldLogMsg() | Converts a list of parameters into a text string. |
| HB_BuildDate() | Retrieves the formatted build date of the xHarbour compiler |
| HB_BuildInfo() | Retrieves build information of the xHarbour compiler. |
| HB_CheckSum() | Calculates the checksum for a stream of data using the Adler32 algorithm. |
| HB_Clocks2Secs() | Calculates seconds from CPU ticks. |
| HB_CloseProcess() | Closes a child process |
| HB_ClrArea() | Replaces a color attribute in a screen region. |
| HB_CmdArgArgV() | Returns the first command line argument (EXE file name). |
| HB_ColorIndex() | Extracts a color value from a color string. |
| HB_ColorToN() | Converts a color value to a numeric color attribute. |
| HB_Compiler() | Retrieves the version of the C compiler shipped with xHarbour. |
| HB_Compress() | Compresses a character string (ZIP). |
| HB_CompressBufLen() | Calculates the buffer size required for compression. |
| HB_CompressError() | Returns the error code of the last (un)compression. |
| HB_CompressErrorDesc() | Returns an error description from a numeric error code. |
| Hb_CRC32() | Calculates the checksum for a stream of data using the CRC 32 algorithm. |
| HB_CreateLen8() | Converts a numeric value to an eight byte character string in network byte order. |
| HB_Crypt() | Encrypts a character string. |
| HB_Decode() | Provides a functional equivalent for the DO CASE statement. |
| HB_DecodeOrEmpty() | Provides a functional equivalent for the DO CASE statement. |
| HB_Decrypt() | Decrypts an encrypted character string. |
| HB_DeserialBegin() | Initiates deserialization of a group of variables of simple or complex data types. |
| HB_DeSerialize() | Converts a binary string back to its original data type. |
| HB_DeserializeSimple() | Deserializes values of simple data types. |
| HB_DeserialNext() | Deserialization the next variable of simple or complex data types. |
| HB_DiskSpace() | Returns the free storage space for a disk drive by drive letter. |
| HB_DumpVar() | Converts a value to a character string holding human readable text. |
| HB_EnumIndex() | Returns the current ordinal position of a FOR EACH iteration. |
| HB_Exec() | Executes a function, procedure or method from its pointer. |
| HB_ExecFromArray() | Executes a function, procedure or method indirectly. |
| HB_FCommit() | Forces a disk write. |
| HB_FCreate() | Creates and/or opens a binary file. |
| HB_FEof() | Tests if the end-of-file is reached in the currently selected text file. |
| HB_FGoBottom() | Moves the file pointer to the last line in a text file. |
| HB_FGoto() | Moves the record pointer to a specific line in the currently selected text file. |
| HB_FGoTop() | Moves the record pointer to the begin-of-file. |
| HB_FInfo() | Retrieves status information about the currently selected text file. |
| HB_FLastRec() | Returns the number of lines in the currently selected text file. |
| HB_FNameMerge() | Composes a file name from individual components. |
| HB_FNameSplit() | Splits a file name into individual components. |
| HB_FReadAndSkip() | Reads the current line and moves the record pointer. |
| HB_FReadLine() | Extracts the next line from a text file. |
| HB_FreadLN() | Reads the current line and without moving the record pointer. |
| HB_FRecno() | Returns the current line number of the currently selected text file. |
| HB_FSelect() | Queries or changes the currently selected text file area. |
| HB_FSize() | Returns the size of a file in bytes. |
| HB_FSkip() | Moves the record pointer in the currently selected text file. |
| HB_FTempCreate() | Creates and opens a temporary file. |
| HB_FuncPtr() | Obtains the pointer to a function or procedure. |
| HB_FUse() | Opens or closes a text file in a text file area. |
| HB_F_Eof() | Tests for End-of-file with binary files. |
| HB_GCAll() | Scans the memory and releases all garbage memory blocks. |
| HB_GCStep() | Invokes the garbage collector for one collection cycle. |
| HB_GetLen8() | Retrieves the length of data in a serialized binary string. |
| HB_IdleAdd() | Adds a background task for being executed during idle states. |
| HB_IdleDel() | Removes a task from the list of idle tasks. |
| HB_IdleReset() | Resets the internal counter of idle tasks. |
| HB_IdleSleep() | Halts idle task processing for a number of seconds. |
| HB_IdleSleepMSec() | Queries or changes the default time interval for idle task processing. |
| HB_IdleState() | Signals an idle state. |
| HB_IdleWaitNoCPU() | Toggles the mode for CPU usage in Idle wait states. |
| HB_IsArray() | Tests if the value returned by an expression is an array. |
| HB_IsBlock() | Tests if the value returned by an expression is a Code block. |
| HB_IsByRef | Tests if a parameter is passed by reference. |
| HB_IsDate() | Tests if the value returned by an expression is a Date. |
| HB_IsDateTime() | Tests if the value returned by an expression is a DateTime value. |
| HB_IsHash() | Tests if the value returned by an expression is a Hash. |
| HB_IsLogical() | Tests if the value returned by an expression is a logical value. |
| HB_IsMemo() | Tests if the value returned by an expression is a Memo value. |
| HB_IsNIL() | Tests if the value returned by an expression is NIL. |
| HB_IsNull() | Tests if the value returned by an expression is empty. |
| HB_IsNumeric() | Tests if the value returned by an expression is a numeric value. |
| HB_IsObject() | Tests if the value returned by an expression is an object. |
| HB_IsPointer() | Tests if the value returned by an expression is a pointer. |
| HB_IsRegExString() | Checks if a character string is a compiled regular expression. |
| HB_IsString() | Tests if the value returned by an expression is a character string. |
| HB_LangErrMsg() | Returns language specific error messages. |
| HB_LangMessage() | Returns language specific messages or text strings. |
| HB_LangName() | Returns the currently selected language. |
| HB_LangSelect() | Queries or changes the current national language . |
| HB_LibDo() | Executes a function located in a dynamically loaded xHarbour DLL. |
| HB_LogDateStamp() | Returns a character string holding a date stamp. |
| HB_MacroCompile() | Compiles a macro string into a PCode sequence. |
| HB_MD5() | Calculates a message digest for a stream of data using the MD5 algorithm. |
| HB_MD5File() | Calculates a message digest for a file using the MD5 algorithm. |
| HB_MultiThread() | Checks if an application is created for multi-threading. |
| HB_MutexCreate() | Creates a Mutex. |
| HB_MutexLock() | Obtains a permanent lock on a Mutex. |
| HB_MutexTimeoutLock() | Tries to obtain a lock on a Mutex with timeout. |
| HB_MutexTryLock() | Tries to obtain a permanent lock on a Mutex. |
| HB_MutexUnlock() | Unlocks a Mutex. |
| HB_ObjMsgPtr() | Retrieves the pointer to a method. |
| HB_OemToAnsi() | Converts a character string from the OEM to the ANSI character set. |
| HB_OpenProcess() | Opens a child process. |
| HB_OsDriveSeparator() | Returns the operating specific drive separator character. |
| HB_OsError() | Returns the operating specific error code of the last low-level file operation. |
| HB_OsNewLine() | Returns the end-of-line character(s) to use with the current operating system. |
| HB_OsPathDelimiters() | Returns the operating specific characters for paths. |
| HB_OsPathListSeparator() | Returns the operating specific separator character for a path list. |
| HB_OsPathSeparator() | Returns the operating specific separator character for a path. |
| HB_PCodeVer() | Retrieves the PCode version of the current xHarbour build. |
| HB_Pointer2String() | Reads bytes from a pointer into a character string. |
| HB_ProcessValue() | Retrieves the return value of a child process. |
| HB_QSelf() | Retrieves the self object during method execution. |
| HB_QWith() | Retrieves the with object during WITH OBJECT execution. |
| HB_Random() | Generates a random number between two boundaries. |
| HB_RandomInt() | Generates a random integer number between two boundaries. |
| HB_RandomSeed() | Sets the seed for generating random numbers. |
| HB_ReadIni() | Reads an INI file from disk. |
| HB_ReadLine() | Scans a formatted character string or memo field for text lines. |
| HB_RegEx() | Searches a string using a regular expression |
| HB_RegExAll() | Parses a string and fills an array with parsing information. |
| HB_RegExAtX() | Parses a string and fills an array with parsing information. |
| HB_RegExComp() | Compiles a regular expression into a binary search pattern. |
| HB_RegExMatch() | Tests if a string contains a substring using a regular expression |
| HB_RegExReplace() | Searches and replaces characters within a character string using a regular expression. |
| HB_RegExSplit() | Parses a string using a regular expression and fills an array. |
| HB_ResetWith() | Replaces the with object during WITH OBJECT execution. |
| HB_RestoreBlock() | Converts binary information back to a code block. |
| HB_SaveBlock() | Utility function for code block serialization. |
| HB_Serialize() | Converts an arbitrary value to a binary string. |
| HB_SerializeSimple() | Serializes values of simple data types. |
| HB_SerialNext() | Returns the position of the next chunk of binary data to retrieve. |
| HB_SetCodePage() | Queries or changes the current code page. |
| HB_SetIniComment() | Defines the delimiting characters for comments and inline comments. |
| HB_SetKeyArray() | Associates a code block with multiple keys. |
| HB_SetKeyCheck() | Evaluates a code block associated with a key. |
| HB_SetKeyGet() | Retrieves code blocks associated with a key. |
| HB_SetKeySave() | Queries or changes all SetKey() code blocks. |
| HB_SetMacro() | Enables or disables runtime behavior of the macro compiler. |
| HB_SetWith() | Changes the with object during WITH OBJECT execution. |
| HB_Shadow() | Displays a shadow around a rectangular area on the screen. |
| HB_SizeofCStructure() | Calculates the amount of memory required to store a C structure. |
| HB_String2Pointer() | Obtains the pointer for a character string. |
| HB_StructureToArray() | Converts values contained in a binary C structure string to an array. |
| HB_SysLogClose() | Closes the log file of the operating system. |
| HB_SysLogMessage() | Adds a new entry to the log file of the operating system. |
| HB_SysLogOpen() | Opens the log file of the operating system |
| HB_ThisArray() | Retrieves an array or object from its pointer. |
| HB_Translate() | Converts a character string from one code page to another one. |
| HB_Uncompress() | Uncompresses a compressed character string (ZIP). |
| HB_UUDecode() | Decodes a UUEncoded character string. |
| HB_UUDecodeFile() | Decodes a UUEncoded file. |
| HB_UUEncode() | UUEncodes a character string. |
| HB_UUEncodeFile() | UUEncodes a file. |
| HB_ValToStr() | Converts values of simple data types to character string. |
| HB_VMExecute() | Executes a PCode string. |
| HB_VMMode() | Indicates the creation mode of the xHarbour virtual machine. |
| HB_WithObjectCounter() | Determines the nesting level of WITH OBJECT statements. |
| HB_WriteIni() | Creates an INI file and writes hash data to it. |
| HB_XmlErrorDesc() | Retrieves a textual error description for XML file parsing errors. |
| HClone() | Creates an entire copy of a hash. |
| HCopy() | Copies key/value pairs from a hash into another hash. |
| HDel() | Removes a key/value pair from the hash by its key. |
| HDelAt() | Removes a key/value pair from the hash by its ordinal position. |
| HEval() | Evaluates a code block with each hash element. |
| HexToNum() | Converts a Hex string to a numeric value. |
| HexToStr() | Converts a Hex encoded character string to an ASCII string. |
| HFill() | Copies the same value into all key/value pairs. |
| HGet() | Retrieves the value associated with a specified key. |
| HGetAACompatibility() | Checks if a hash is compatible with an associative array. |
| HGetAutoAdd() | Retrieves the AutoAdd attribute of a hash. |
| HGetCaseMatch() | Retrieves the case sensitivity attribute of a hash. |
| HGetKeyAt() | Retrieves the key from a hash by its ordinal position. |
| HGetKeys() | Collects all keys from a hash in an array. |
| HGetPairAt() | Retrieves a key/value pair from a hash by its ordinal position. |
| HGetPartition() | Checks if a hash is partitioned. |
| HGetPos() | Retrieves the ordinal position of a key in a hash. |
| HGetVaaPos() | Retrieves the sort order of all keys in an associative array. |
| HGetValueAt() | Retrieves the value from a hash by its ordinal position. |
| HGetValues() | Collects all values from a hash in an array. |
| HHasKey() | Determines if a key is present in a hash. |
| HIDDEN: | Declares the HIDDEN attribute for a group of member variables and/or methods. |
| HMerge() | Merges the contents of an entire hash into another hash. |
| Hour() | Extracts the hour from a DateTime value |
| HScan() | Searches a value in a hash. |
| HSet() | Associates a value with a key in a hash. |
| HSetAACompatibility() | Enables or disables associative array compatibility for an empty hash. |
| HSetAutoAdd() | Changes the AutoAdd attribute of a hash. |
| HSetCaseMatch() | Changes the case sensitivity attribute of a hash. |
| HSetPartition() | Partitions a linear hash for improved performance. |
| HSetValueAt() | Changes the value in a hash by its ordinal position. |
| HS_Add() | Adds a text string entry to a HiPer-SEEK index file. |
| HS_Close() | Closes a HiPer-SEEK index file. |
| HS_Create() | Creates a new HiPer-SEEK index file. |
| HS_Delete() | Marks an index entry as deleted in a HiPer-SEEK index file. |
| HS_Filter() | Uses a HiPer-SEEK index file as filter for a work area |
| HS_IfDel() | Checks if a HiPer-SEEK index entry is marked as deleted |
| HS_Index() | Creates a new HiPer-SEEK index file and fills it with index entries. |
| HS_KeyCount() | Returns the number of index entries in a HiPer-SEEK index file. |
| HS_Next() | Searches a HiPer-SEEK index file for a matching index entry. |
| HS_Open() | Opens a HiPer-SEEK index file. |
| HS_Replace() | Changes a HiPer-SEEK index entry. |
| HS_Set() | Defines a search string for subsequent HS_Next() calls. |
| HS_Undelete() | Removes the deletion mark from an index entry in a HiPer-SEEK index file. |
| HS_Verify() | Verifies a HS_Next() match against the index key. |
| HS_Version() | Returns version information for HiPer-SEEK functions. |
| HtmlToAnsi() | Converts an HTML formatted text string to the ANSI character set. |
| HtmlToOem() | Converts an HTML formatted text string to the OEM character set |
| IN | Searches a value in another value. |
| INetAccept() | Waits for an incoming connection on a server side socket. |
| INetAddress() | Determines the internet address of a remote station. |
| INetCleanup() | Releases memory resources for sockets. |
| INetClearError() | Resets the last error code of a socket. |
| INetClearPeriodCallback() | Voids a callback function for a socket. |
| INetClearTimeout() | Voids a timout value for a socket. |
| INetClose() | Closes a connection on a socket. |
| INetConnect() | Establishes a sockets connection to a server. |
| INetConnectIP() | Establishes a sockets connection to a server using the IP address. |
| INetCount() | Returns the number of bytes transferred in the last sockets operation |
| INetCreate() | Creates a raw, unconnected socket. |
| INetCRLF() | Returns new line characters used in internet communications. |
| INetDataReady() | Tests if incoming data is available to be read. |
| INetDGram() | Creates an unbound datagram oriented socket. |
| INetDGramBind() | Creates a bound datagram oriented socket. |
| INetDGramRecv() | Reads data from a datagram socket. |
| INetDGramSend() | Sends data to a datagram socket. |
| INetErrorCode() | Returns the last sockets error code. |
| INetErrorDesc() | Returns a descriptive error message |
| INetGetAlias() | Retrieves alias names from a server. |
| INetGetHosts() | Queries IP addresses associated with a name. |
| INetGetPeriodCallback() | Queries a callback associated with a socket. |
| INetGetTimeout() | Queries a timout value for a socket. |
| INetInit() | Initializes the sockets subsystem. |
| INetPort() | Determines the port number a socket is connected to. |
| INetRecv() | Reads data from a socket. |
| INetRecvAll() | Reads all data from a socket. |
| INetRecvEndblock() | Reads one block of data until an end-of-block marker is detected. |
| INetRecvLine() | Reads one line of data until CRLF is detected. |
| INetSend() | Sends data to a socket. |
| INetSendAll() | Sends all data to a socket. |
| INetServer() | Creates a server side socket. |
| INetSetPeriodCallback() | Associates callback information with a socket. |
| INetSetTimeout() | Sets a timout value in milliseconds for a socket. |
| INIT LOG | Initializes the Log system and opens requested log channels. |
| INLINE METHOD | Declares and implements an inline method that spans across multiple lines. |
| IsAffirm() | Converts "Yes" in a national language to a logical value. |
| IsAlNum() | Checks if the first character of a string is alpha-numeric. |
| IsAscii() | Checks if the first character of a string is a 7-bit ASCII character. |
| IsCntrl() | Checks if the first character of a string is a control character. |
| IsDirectory() | Checks if a character string contains the name of an existing directory. |
| IsDisk() | Verify if a drive is ready |
| IsGraph() | Checks if the first character of a string is a 7-bit graphical ASCII character. |
| IsLocked() | Checks if a record is locked. |
| IsNegative() | Converts "No" in a national language to a logical value. |
| IsPrint() | Checks if the first character of a string is a printable 7-bit ASCII character. |
| IsPunct() | Checks if the first character of a string is a punctuation character. |
| IsSameThread() | Compares two thread handles. |
| IsSpace() | Checks if the first character of a string is a white-space character. |
| IsValidThread() | Checks if an expression is the thread handle of a running thread. |
| IsXDigit() | Checks if the first character of a string is a hexadecimal digit. |
| JoinThread() | Suspends the current thread until a second thread has terminated. |
| KillAllThreads() | Kills all running threads except for the main thread. |
| KillThread() | Kills a running thread. |
| LenNum() | Returns the number of characters a numeric value needs for display. |
| LibFree() | Releases a dynamically loaded xHarbour DLL from memory. |
| LibLoad() | Loads an xHarbour DLL file into memory. |
| LIKE | Compares a character string with a regular expression. |
| LoadLibrary() | Loads an external DLL file into memory. |
| LOG | Sends a message to open log channels. |
| Memory() | Returns memory statistics. |
| MESSAGE | Declares a message name for a method. |
| METHOD (declaration) | Declares the symbolic name of a method. |
| METHOD (implementation) | Declares the implementation code of a method. |
| METHOD...OPERATOR | Declares a method to be executed with an operator. |
| METHOD...VIRTUAL | Declares a method as virtual. |
| Minute() | Extracts the minute from a DateTime value |
| NationMsg() | Returns application specific messages. |
| NetAppend() | Appends a new record to a database open in shared mode in a work area. |
| NetCommitAll() | Writes database and index buffers of all used work areas to disk. |
| NetDbUse() | Opens a database file for shared access in a work area. |
| NetDelete() | Marks records for deletion. |
| NetError() | Determines if a Net*() function has failed. |
| NetFileLock() | Applies a file lock to an open, shared database. |
| NetFunc() | Evaluates a code block until a timeout period expires. |
| NetLock() | Applies locks to a database file or record with timeout. |
| NetOpenFiles() | Opens databases and associated index files. |
| NetRecall() | Recalls a record previousy marked for deletion. |
| NetRecLock() | Locks the current record for write access. |
| Notify() | Resumes a single thread blocked by a particular Mutex. |
| NotifyAll() | Resumes all threads blocked by a particular Mutex. |
| NumAndX() | Performs bitwise AND operations for a list of integer values. |
| NumMirrX() | Mirrors bits of a numeric integer value. |
| NumNotX() | Performs a bitwise NOT operation with a numeric integer value. |
| NumOrX() | Performs a bitwise OR for a list of integer values. |
| NumRolX() | Rotates bits of a numeric integer value to the left. |
| NumToHex() | Converts a numeric value or a pointer to a Hex string. |
| NumXorX() | Performs a bitwise XOR operation with two numeric integer values. |
| OemToHtml() | Inserts HTML character entities into an OEM text string. |
| Ole2TxtError() | Returns the last OLE error code as character string. |
| OleError() | Returns the last OLE error code. |
| OPERATOR | Overloads an operator and declares a method to be invoked for it. |
| OrdCount() | Determines the number of indexes open in a work area. |
| OrdCustom() | Determines if an index is a custom index. |
| OrdFindRec() | Searches a record number in the controlling index. |
| OrdKeyRelPos() | Returns or sets the relative position of the current record. |
| OrdSkipRaw() | Moves the record pointer via the controlling index. |
| OrdWildSeek() | Searches a value in the controlling index using wild card characters. |
| Os_IsWin2000() | Checks if the application is running on Windows 2000. |
| Os_IsWin2000_Or_Later() | Checks if the application is running on Windows version 2000 or later |
| Os_IsWin2003() | Checks if the application is running on Windows 2003. |
| Os_IsWin95() | Checks if the application is running on Windows 95. |
| Os_IsWin98() | Checks if the application is running on Windows 98. |
| Os_IsWin9X() | Checks if the application is running on a Windows 9x platform. |
| Os_IsWinME() | Checks if the application is running on Windows ME. |
| Os_IsWinNT() | Checks if the application is running on a Windows NT platform. |
| Os_IsWinNT351() | Checks if the application is running on Windows NT 3.51. |
| Os_IsWinNT4() | Checks if the application is running on Windows NT 4.0. |
| Os_IsWinVista() | Checks if the application is running on Windows Vista. |
| Os_IsWinXP() | Checks if the application is running on Windows XP. |
| Os_IsWtsClient() | Checks if the application is running on a Windows Terminal Server client. |
| Os_NetRegOk() | Checks for correct network registry settings on Windows platforms. |
| OS_NetVRedirOk() | Checks for the correct VREDIR.VXD file. |
| Os_VersionInfo() | Retrieves specific version information about the operating system. |
| OVERRIDE METHOD | Replaces a method in an existing class. |
| pragma pack() | Defines the byte alignment for the next structure declaration. |
| PrgExpToVal() | Converts a character string obtained from ValToPrgExp() back to the original data type. |
| PrinterExists() | Checks if a particular printer is installed. |
| PrinterPortToName() | Retrieves the name of the printer connected to a printer port. |
| PrintFileRaw() | Prints a file to a Windows printer in RAW mode. |
| ProcFile() | Determines the current PRG source code file. |
| PROTECTED: | Declares the PROTECTED attribute for a group of member variables and methods. |
| PValue() | Retrieves the value of a parameter passed to a function, method or procedure. |
| QueryRegistry() | Checks if a particular registry key with specified value exists. |
| RAscan() | Searches a value in an array beginning with the last element. |
| RddInfo() | Queries and/or changes configuration data of RDDs. |
| RddRegister() | Registers a user defined Replaceable Database Driver (RDD). |
| Scrollfixed() | Scrolls a screen region horizontally and/or vertically. |
| SecondsCpu() | Returns the CPU time used by the current process. |
| SecondsSleep() | Suspends thread execution for a number of seconds. |
| SET AUTOPEN | Toggles automatic opening of a structural index file. |
| SET AUTORDER | Defines the default controlling index for automatically opened index files. |
| SET AUTOSHARE | Defines network detection for shared file access. |
| SET BACKGROUND TASKS | Enables or disables the activity of background tasks. |
| SET BACKGROUNDTICK | Defines the processing interval for background tasks. |
| SET DBFLOCKSCHEME | Selects the locking scheme for shared database access. |
| SET DIRCASE | Specifies how directories are accessed on disk. |
| SET DIRSEPARATOR | Specifies the default separator for directories. |
| SET EOL | Defines the end-of-line character(s) for ASCII text files. |
| SET ERRORLOG | Defines the default error log file. |
| SET ERRORLOOP | Defines the maximum recursion depth for error handling. |
| SET FILECASE | Specifies how files are accessed on disk. |
| SET HARDCOMMIT | Toggles immediate committing of changes to record buffers. |
| SET LOG STYLE | Selects a style for logging data to log channels. |
| SET STRICTREAD | Toggles read optimization for database access. |
| SET TIME | Specifies the time format for input and display. |
| SET TRACE | Toggles output of function TraceLog(). |
| SetErrorMode() | Queries or changes the behavior with operating system errors. |
| SetLastError() | Sets a numeric value as last error code. |
| SetNetDelay() | Queries or changes the timeout period for Net*() functions. |
| SetNetMsgColor() | Queries or changes the color for displaying failure messages of Net*() functions. |
| SetNewDate() | Changes the system date from Numeric values. |
| SetNewTime() | Changes the system time from Numeric values. |
| SetRegistry() | Creates a key/value pair in the registry. |
| SinH() | Calculates the hyperbolic sine. |
| StartThread() | Starts a new thread. |
| StopThread() | Stops a thread from outside. |
| StoT() | Converts a "YYYYMMDDhhmmss.ccc" formatted string to a DateTime value |
| Strdel() | Deletes characters from a string based on a mask string. |
| StringToLiteral() | Creates a literal character string from a string. |
| StrToHex() | Converts a character string to a Hex string. |
| Subscribe() | Subscribes for notifications on a Mutex. |
| SubscribeNow() | Subscribes for notifications on a Mutex and discards pending notifications. |
| SWITCH | Executes one or more blocks of statements. |
| TanH() | Calculates the hyperbolic tangent. |
| TBMouse() | Moves the browse cursor to the mouse pointer. |
| ThreadSleep() | Puts a thread to sleep. |
| Throw() | Throws an exception. |
| THtmlCleanup() | Releases memory tables required for HTML classes. |
| THtmlDocument() | Creates a new THtmlDocument object. |
| THtmlInit() | Initializes memory tables required for HTML classes. |
| THtmlIsValid() | Validates a HTML tag name and attribute. |
| THtmlIterator() | Creates a new THtmlIterator object. |
| THtmlIteratorRegEx() | Creates a new THtmlIteratorRegEx object. |
| THtmlIteratorScan() | Creates a new THtmlIteratorScan object. |
| THtmlNode() | Creates a new THtmlNode object. |
| TIpClient() | Abstract class for internet communication. |
| TIpClientFtp() | Creates a new TIpClientFtp object. |
| TIpClientHttp() | Creates a new TIpClientHttp object. |
| TIpClientPop() | Creates a new TIpClientPop object. |
| TIpClientSmtp() | Creates a new TIpClientSmtp object. |
| TIpMail() | Creates a new TIpMail object. |
| TokenExit() | Releases memory resources of the global tokenizer environment. |
| TokenNum() | Returns the number of tokens in a tokenizer environment. |
| TraceLog() | Traces and logs the contents of one or more variables. |
| TRY...CATCH | Declares a control structure for error handling. |
| TStream() | Abstract class for low-level file data streams. |
| TStreamFileReader() | Creates a new TStreamFileReader object. |
| TStreamFileWriter() | Creates a new TStreamFileWriter object. |
| TtoC() | Converts a DateTime value to a character string in SET DATE and SET TIME format. |
| TtoS() | Converts a Date value to a character string in YYYYMMDDhhmmss.ccc format. |
| TUrl() | Creates a new TUrl object. |
| TXmlDocument() | Creates a new TXmlDocument object. |
| TXmlIterator() | Creates a new TXmlIterator object. |
| TXmlIteratorRegEx() | Creates a new TXmlIteratorRegEx object. |
| TXmlIteratorScan() | Creates a new TXmlIteratorScan object. |
| TXmlNode() | Creates a new TXmlNode object. |
| typedef struct | Declares a new structure in C syntax. |
| UsrRdd_AreaData() | Queries or attaches user-defined data to a work area of a user-defined RDD. |
| UsrRdd_AreaResult() | Queries the result of the last operation of a user-defined RDD. |
| UsrRdd_ID() | Queries the ID of a user-defined RDD. |
| UsrRdd_RddData() | Queries or attaches user-defined data a user-defined RDD. |
| UsrRdd_SetBof() | Sets the BoF() flag in a work area of a user-defined RDD. |
| UsrRdd_SetBottom() | Defines the bottom scope value for a work area of a user-defined RDD. |
| UsrRdd_SetEof() | Sets the Eof() flag in a work area of a user-defined RDD. |
| UsrRdd_SetFound() | Sets the Found() flag in a work area of a user-defined RDD. |
| UsrRdd_SetTop() | Defines the top value for a work area of a user-defined RDD. |
| ValToPrg() | Converts a value to PRG code. |
| ValToPrgExp() | Converts a value to a character string holding a macro-expression. |
| VAR | Declares an instance variable of a class. |
| WaitForThreads() | Suspends the current thread until all other threads have terminated. |
| Wild2RegEx() | Converts a character string including wild card characters to a regular expression. |
| WildMatch() | Tests if a string begins with a search pattern. |
| Win32Bmp() | Creates a new Win32Bmp object. |
| Win32Prn() | Creates a new Win32Prn object. |
| WInfo() | Returns all coordinates of the current window. |
| WITH OBJECT | Identifies an object to receive multiple messages. |
| WMSetPos() | Moves the mouse cursor to a new position in a window. |
| WSetMouse() | Determines the visibility and/or position of the mouse cursor. |
| WStack() | Returns window IDs of all open windows. |
| [ ] (string) | Character operator (unary): retrieves a character from a string. |
| ˆˆ | Bitwise XOR operator (binary): performs a logical XOR operation. |
| {=>} | Literal hash. |
| {ˆ } | Literal DateTime value. |
| | (bitwise OR) | Bitwise OR operator (binary): performs a logical OR operation. |
