SysTutorials Posts

Tcl_CreateChannel, Tcl_GetChannelInstanceData, Tcl_GetChannelType, Tcl_GetChannelName, Tcl_GetChannelHandle, Tcl_GetChannelMode, Tcl_GetChannelBufferSize, Tcl_SetChannelBufferSize, Tcl_NotifyChannel, Tcl_BadChannelOption, Tcl_ChannelName, Tcl_ChannelVersion, Tcl_ChannelBlockModeProc, Tcl_ChannelCloseProc, Tcl_ChannelClose2Proc, Tcl_ChannelInputProc, Tcl_ChannelOutputProc, Tcl_ChannelSeekProc, Tcl_ChannelWideSeekProc, Tcl_ChannelTruncateProc, Tcl_ChannelSetOptionProc, Tcl_ChannelGetOptionProc, Tcl_ChannelWatchProc, Tcl_ChannelGetHandleProc, Tcl_ChannelFlushProc, Tcl_ChannelHandlerProc, Tcl_ChannelThreadActionProc, Tcl_IsChannelShared, Tcl_IsChannelRegistered, Tcl_CutChannel, Tcl_SpliceChannel, Tcl_IsChannelExisting, Tcl_ClearChannelHandlers, Tcl_GetChannelThread, Tcl_ChannelBuffered – procedures for creating and manipulating channels Synopsis #include <tcl.h> Tcl_Channel Tcl_CreateChannel(typePtr, channelName, instanceData, mask) ClientData Tcl_GetChannelInstanceData(channel) Tcl_ChannelType * Tcl_GetChannelType(channel)…

Tcl_SourceRCFile – source the Tcl rc file Synopsis #include <tcl.h> void Tcl_SourceRCFile(interp) Arguments Tcl_Interp *interp (in) Tcl interpreter to source rc file into. Description Tcl_SourceRCFile is used to source the Tcl rc file at startup. It is typically invoked by Tcl_Main or Tk_Main. The name of the file sourced is obtained from the global variable…

Tcl_Sleep – delay execution for a given number of milliseconds Synopsis #include <tcl.h> Tcl_Sleep(ms) Arguments int ms (in) Number of milliseconds to sleep. Description This procedure delays the calling process by the number of milliseconds given by the ms parameter and returns after that time has elapsed. It is typically used for things like flashing…

Tcl_SignalId, Tcl_SignalMsg – Convert signal codes Synopsis #include <tcl.h> const char * Tcl_SignalId(sig) const char * Tcl_SignalMsg(sig) Arguments int sig (in) A POSIX signal number such as SIGPIPE. Description Tcl_SignalId and Tcl_SignalMsg return a string representation of the provided signal number (sig). Tcl_SignalId returns a machine-readable textual identifier such as “SIGPIPE”. Tcl_SignalMsg returns a human-readable…

Tcl_SignalId, Tcl_SignalMsg – Convert signal codes Synopsis #include <tcl.h> const char * Tcl_SignalId(sig) const char * Tcl_SignalMsg(sig) Arguments int sig (in) A POSIX signal number such as SIGPIPE. Description Tcl_SignalId and Tcl_SignalMsg return a string representation of the provided signal number (sig). Tcl_SignalId returns a machine-readable textual identifier such as “SIGPIPE”. Tcl_SignalMsg returns a human-readable…

Tcl_NewIntObj, Tcl_NewLongObj, Tcl_NewWideIntObj, Tcl_SetIntObj, Tcl_SetLongObj, Tcl_SetWideIntObj, Tcl_GetIntFromObj, Tcl_GetLongFromObj, Tcl_GetWideIntFromObj, Tcl_NewBignumObj, Tcl_SetBignumObj, Tcl_GetBignumFromObj, Tcl_TakeBignumFromObj – manipulate Tcl objects as integer values Synopsis #include <tcl.h> Tcl_Obj * Tcl_NewIntObj(intValue) Tcl_Obj * Tcl_NewLongObj(longValue) Tcl_Obj * Tcl_NewWideIntObj(wideValue) Tcl_SetIntObj(objPtr, intValue) Tcl_SetLongObj(objPtr, longValue) Tcl_SetWideIntObj(objPtr, wideValue) int Tcl_GetIntFromObj(interp, objPtr, intPtr) int Tcl_GetLongFromObj(interp, objPtr, longPtr) int Tcl_GetWideIntFromObj(interp, objPtr, widePtr) #include <tclTomMath.h> Tcl_Obj * Tcl_NewBignumObj(bigValue)…

Tcl_SetVar2Ex, Tcl_SetVar, Tcl_SetVar2, Tcl_ObjSetVar2, Tcl_GetVar2Ex, Tcl_GetVar, Tcl_GetVar2, Tcl_ObjGetVar2, Tcl_UnsetVar, Tcl_UnsetVar2 – manipulate Tcl variables Synopsis #include <tcl.h> Tcl_Obj * Tcl_SetVar2Ex(interp, name1, name2, newValuePtr, flags) const char * Tcl_SetVar(interp, varName, newValue, flags) const char * Tcl_SetVar2(interp, name1, name2, newValue, flags) Tcl_Obj * Tcl_ObjSetVar2(interp, part1Ptr, part2Ptr, newValuePtr, flags) Tcl_Obj * Tcl_GetVar2Ex(interp, name1, name2, flags) const char *…

Tcl_SetVar2Ex, Tcl_SetVar, Tcl_SetVar2, Tcl_ObjSetVar2, Tcl_GetVar2Ex, Tcl_GetVar, Tcl_GetVar2, Tcl_ObjGetVar2, Tcl_UnsetVar, Tcl_UnsetVar2 – manipulate Tcl variables Synopsis #include <tcl.h> Tcl_Obj * Tcl_SetVar2Ex(interp, name1, name2, newValuePtr, flags) const char * Tcl_SetVar(interp, varName, newValue, flags) const char * Tcl_SetVar2(interp, name1, name2, newValue, flags) Tcl_Obj * Tcl_ObjSetVar2(interp, part1Ptr, part2Ptr, newValuePtr, flags) Tcl_Obj * Tcl_GetVar2Ex(interp, name1, name2, flags) const char *…

Tcl_SetVar2Ex, Tcl_SetVar, Tcl_SetVar2, Tcl_ObjSetVar2, Tcl_GetVar2Ex, Tcl_GetVar, Tcl_GetVar2, Tcl_ObjGetVar2, Tcl_UnsetVar, Tcl_UnsetVar2 – manipulate Tcl variables Synopsis #include <tcl.h> Tcl_Obj * Tcl_SetVar2Ex(interp, name1, name2, newValuePtr, flags) const char * Tcl_SetVar(interp, varName, newValue, flags) const char * Tcl_SetVar2(interp, name1, name2, newValue, flags) Tcl_Obj * Tcl_ObjSetVar2(interp, part1Ptr, part2Ptr, newValuePtr, flags) Tcl_Obj * Tcl_GetVar2Ex(interp, name1, name2, flags) const char *…

Tcl_NewStringObj, Tcl_NewUnicodeObj, Tcl_SetStringObj, Tcl_SetUnicodeObj, Tcl_GetStringFromObj, Tcl_GetString, Tcl_GetUnicodeFromObj, Tcl_GetUnicode, Tcl_GetUniChar, Tcl_GetCharLength, Tcl_GetRange, Tcl_AppendToObj, Tcl_AppendUnicodeToObj, Tcl_AppendObjToObj, Tcl_AppendStringsToObj, Tcl_AppendStringsToObjVA, Tcl_AppendLimitedToObj, Tcl_Format, Tcl_AppendFormatToObj, Tcl_ObjPrintf, Tcl_AppendPrintfToObj, Tcl_SetObjLength, Tcl_AttemptSetObjLength, Tcl_ConcatObj – manipulate Tcl objects as strings Synopsis #include <tcl.h> Tcl_Obj * Tcl_NewStringObj(bytes, length) Tcl_Obj * Tcl_NewUnicodeObj(unicode, numChars) void Tcl_SetStringObj(objPtr, bytes, length) void Tcl_SetUnicodeObj(objPtr, unicode, numChars) char * Tcl_GetStringFromObj(objPtr, lengthPtr) char *…

Tcl_CreateEventSource, Tcl_DeleteEventSource, Tcl_SetMaxBlockTime, Tcl_QueueEvent, Tcl_ThreadQueueEvent, Tcl_ThreadAlert, Tcl_GetCurrentThread, Tcl_DeleteEvents, Tcl_InitNotifier, Tcl_FinalizeNotifier, Tcl_WaitForEvent, Tcl_AlertNotifier, Tcl_SetTimer, Tcl_ServiceAll, Tcl_ServiceEvent, Tcl_GetServiceMode, Tcl_SetServiceMode – the event queue and notifier interfaces Synopsis #include <tcl.h> void Tcl_CreateEventSource(setupProc, checkProc, clientData) void Tcl_DeleteEventSource(setupProc, checkProc, clientData) void Tcl_SetMaxBlockTime(timePtr) void Tcl_QueueEvent(evPtr, position) void Tcl_ThreadQueueEvent(threadId, evPtr, position) void Tcl_ThreadAlert(threadId) Tcl_ThreadId Tcl_GetCurrentThread() void Tcl_DeleteEvents(deleteProc, clientData) ClientData Tcl_InitNotifier() void Tcl_FinalizeNotifier(clientData)…

Tcl_GetTime, Tcl_SetTimeProc, Tcl_QueryTimeProc – get date and time Synopsis #include <tcl.h> Tcl_GetTime(timePtr) Tcl_SetTimeProc(getProc, scaleProc, clientData) Tcl_QueryTimeProc(getProcPtr, scaleProcPtr, clientDataPtr) Arguments Tcl_Time * timePtr (out) Points to memory in which to store the date and time information. Tcl_GetTimeProc * getProc (in) Pointer to handler function replacing Tcl_GetTime‘s access to the OS. Tcl_ScaleTimeProc * scaleProc (in) Pointer to…

Tcl_GetEncoding, Tcl_FreeEncoding, Tcl_GetEncodingFromObj, Tcl_ExternalToUtfDString, Tcl_ExternalToUtf, Tcl_UtfToExternalDString, Tcl_UtfToExternal, Tcl_WinTCharToUtf, Tcl_WinUtfToTChar, Tcl_GetEncodingName, Tcl_SetSystemEncoding, Tcl_GetEncodingNameFromEnvironment, Tcl_GetEncodingNames, Tcl_CreateEncoding, Tcl_GetEncodingSearchPath, Tcl_SetEncodingSearchPath, Tcl_GetDefaultEncodingDir, Tcl_SetDefaultEncodingDir – procedures for creating and using encodings Synopsis #include <tcl.h> Tcl_Encoding Tcl_GetEncoding(interp, name) void Tcl_FreeEncoding(encoding) int Tcl_GetEncodingFromObj(interp, objPtr, encodingPtr) char * Tcl_ExternalToUtfDString(encoding, src, srcLen, dstPtr) char * Tcl_UtfToExternalDString(encoding, src, srcLen, dstPtr) int Tcl_ExternalToUtf(interp, encoding, src, srcLen, flags,…

Tcl_NewStringObj, Tcl_NewUnicodeObj, Tcl_SetStringObj, Tcl_SetUnicodeObj, Tcl_GetStringFromObj, Tcl_GetString, Tcl_GetUnicodeFromObj, Tcl_GetUnicode, Tcl_GetUniChar, Tcl_GetCharLength, Tcl_GetRange, Tcl_AppendToObj, Tcl_AppendUnicodeToObj, Tcl_AppendObjToObj, Tcl_AppendStringsToObj, Tcl_AppendStringsToObjVA, Tcl_AppendLimitedToObj, Tcl_Format, Tcl_AppendFormatToObj, Tcl_ObjPrintf, Tcl_AppendPrintfToObj, Tcl_SetObjLength, Tcl_AttemptSetObjLength, Tcl_ConcatObj – manipulate Tcl objects as strings Synopsis #include <tcl.h> Tcl_Obj * Tcl_NewStringObj(bytes, length) Tcl_Obj * Tcl_NewUnicodeObj(unicode, numChars) void Tcl_SetStringObj(objPtr, bytes, length) void Tcl_SetUnicodeObj(objPtr, unicode, numChars) char * Tcl_GetStringFromObj(objPtr, lengthPtr) char *…

Tcl_GetStdChannel, Tcl_SetStdChannel – procedures for retrieving and replacing the standard channels Synopsis #include <tcl.h> Tcl_Channel Tcl_GetStdChannel(type) Tcl_SetStdChannel(channel, type) Arguments int type (in) The identifier for the standard channel to retrieve or modify. Must be one of TCL_STDIN, TCL_STDOUT, or TCL_STDERR. Tcl_Channel channel (in) The channel to use as the new value for the specified standard…

Tcl_Main, Tcl_SetStartupScript, Tcl_GetStartupScript, Tcl_SetMainLoop – main program, startup script, and event loop definition for Tcl-based applications Synopsis #include <tcl.h> Tcl_Main(argc, argv, appInitProc) Tcl_SetStartupScript(path, encoding) Tcl_Obj * Tcl_GetStartupScript(encodingPtr) Tcl_SetMainLoop(mainLoopProc) Arguments int argc (in) Number of elements in argv. char *argv[] (in) Array of strings containing command-line arguments. On Windows, when using -DUNICODE, the parameter type changes…

Tcl_CreateEventSource, Tcl_DeleteEventSource, Tcl_SetMaxBlockTime, Tcl_QueueEvent, Tcl_ThreadQueueEvent, Tcl_ThreadAlert, Tcl_GetCurrentThread, Tcl_DeleteEvents, Tcl_InitNotifier, Tcl_FinalizeNotifier, Tcl_WaitForEvent, Tcl_AlertNotifier, Tcl_SetTimer, Tcl_ServiceAll, Tcl_ServiceEvent, Tcl_GetServiceMode, Tcl_SetServiceMode – the event queue and notifier interfaces Synopsis #include <tcl.h> void Tcl_CreateEventSource(setupProc, checkProc, clientData) void Tcl_DeleteEventSource(setupProc, checkProc, clientData) void Tcl_SetMaxBlockTime(timePtr) void Tcl_QueueEvent(evPtr, position) void Tcl_ThreadQueueEvent(threadId, evPtr, position) void Tcl_ThreadAlert(threadId) Tcl_ThreadId Tcl_GetCurrentThread() void Tcl_DeleteEvents(deleteProc, clientData) ClientData Tcl_InitNotifier() void Tcl_FinalizeNotifier(clientData)…

Tcl_GetReturnOptions, Tcl_SetReturnOptions, Tcl_AddErrorInfo, Tcl_AppendObjToErrorInfo, Tcl_AddObjErrorInfo, Tcl_SetObjErrorCode, Tcl_SetErrorCode, Tcl_SetErrorCodeVA, Tcl_PosixError, Tcl_LogCommandInfo – retrieve or record information about errors and other return options Synopsis #include <tcl.h> Tcl_Obj * Tcl_GetReturnOptions(interp, code) int Tcl_SetReturnOptions(interp, options) Tcl_AddErrorInfo(interp, message) Tcl_AppendObjToErrorInfo(interp, objPtr) Tcl_AddObjErrorInfo(interp, message, length) Tcl_SetObjErrorCode(interp, errorObjPtr) Tcl_SetErrorCode(interp, element, element, … (char *) NULL) Tcl_SetErrorCodeVA(interp, argList) const char * Tcl_PosixError(interp) void Tcl_LogCommandInfo(interp,…

Tcl_SetObjResult, Tcl_GetObjResult, Tcl_SetResult, Tcl_GetStringResult, Tcl_AppendResult, Tcl_AppendResultVA, Tcl_AppendElement, Tcl_ResetResult, Tcl_FreeResult – manipulate Tcl result Synopsis #include <tcl.h> Tcl_SetObjResult(interp, objPtr) Tcl_Obj * Tcl_GetObjResult(interp) Tcl_SetResult(interp, result, freeProc) const char * Tcl_GetStringResult(interp) Tcl_AppendResult(interp, result, result, … , (char *) NULL) Tcl_AppendResultVA(interp, argList) Tcl_AppendElement(interp, element) Tcl_ResetResult(interp) Tcl_FreeResult(interp) Arguments Tcl_Interp *interp (out) Interpreter whose result is to be modified or read….

Tcl_SetRecursionLimit – set maximum allowable nesting depth in interpreter Synopsis #include <tcl.h> int Tcl_SetRecursionLimit(interp, depth) Arguments Tcl_Interp *interp (in) Interpreter whose recursion limit is to be set. Must be greater than zero. int depth (in) New limit for nested calls to Tcl_Eval for interp. Description At any given time Tcl enforces a limit on the…