Linux Manuals session 3

Tcl_RegExpMatch, Tcl_RegExpCompile, Tcl_RegExpExec, Tcl_RegExpRange, Tcl_GetRegExpFromObj, Tcl_RegExpMatchObj, Tcl_RegExpExecObj, Tcl_RegExpGetInfo – Pattern matching with regular expressions Synopsis#include <tcl.h> int Tcl_RegExpMatchObj(interp, textObj, patObj) int Tcl_RegExpMatch(interp, text, pattern) Tcl_RegExp Tcl_RegExpCompile(interp, pattern) int Tcl_RegExpExec(interp, regexp, text, start) void Tcl_RegExpRange(regexp, index, startPtr, endPtr) Tcl_RegExp Tcl_GetRegExpFromObj(interp, patObj, cflags) int Tcl_RegExpExecObj(interp, regexp, textObj, offset, nmatches, eflags) void Tcl_RegExpGetInfo(regexp, infoPtr)ArgumentsTcl_Interp *interp (in) Tcl interpreter…

Tcl_RegExpMatch, Tcl_RegExpCompile, Tcl_RegExpExec, Tcl_RegExpRange, Tcl_GetRegExpFromObj, Tcl_RegExpMatchObj, Tcl_RegExpExecObj, Tcl_RegExpGetInfo – Pattern matching with regular expressions Synopsis#include <tcl.h> int Tcl_RegExpMatchObj(interp, textObj, patObj) int Tcl_RegExpMatch(interp, text, pattern) Tcl_RegExp Tcl_RegExpCompile(interp, pattern) int Tcl_RegExpExec(interp, regexp, text, start) void Tcl_RegExpRange(regexp, index, startPtr, endPtr) Tcl_RegExp Tcl_GetRegExpFromObj(interp, patObj, cflags) int Tcl_RegExpExecObj(interp, regexp, textObj, offset, nmatches, eflags) void Tcl_RegExpGetInfo(regexp, infoPtr)ArgumentsTcl_Interp *interp (in) Tcl interpreter…

Tcl_RegExpMatch, Tcl_RegExpCompile, Tcl_RegExpExec, Tcl_RegExpRange, Tcl_GetRegExpFromObj, Tcl_RegExpMatchObj, Tcl_RegExpExecObj, Tcl_RegExpGetInfo – Pattern matching with regular expressions Synopsis#include <tcl.h> int Tcl_RegExpMatchObj(interp, textObj, patObj) int Tcl_RegExpMatch(interp, text, pattern) Tcl_RegExp Tcl_RegExpCompile(interp, pattern) int Tcl_RegExpExec(interp, regexp, text, start) void Tcl_RegExpRange(regexp, index, startPtr, endPtr) Tcl_RegExp Tcl_GetRegExpFromObj(interp, patObj, cflags) int Tcl_RegExpExecObj(interp, regexp, textObj, offset, nmatches, eflags) void Tcl_RegExpGetInfo(regexp, infoPtr)ArgumentsTcl_Interp *interp (in) Tcl interpreter…

Tcl_RegExpMatch, Tcl_RegExpCompile, Tcl_RegExpExec, Tcl_RegExpRange, Tcl_GetRegExpFromObj, Tcl_RegExpMatchObj, Tcl_RegExpExecObj, Tcl_RegExpGetInfo – Pattern matching with regular expressions Synopsis#include <tcl.h> int Tcl_RegExpMatchObj(interp, textObj, patObj) int Tcl_RegExpMatch(interp, text, pattern) Tcl_RegExp Tcl_RegExpCompile(interp, pattern) int Tcl_RegExpExec(interp, regexp, text, start) void Tcl_RegExpRange(regexp, index, startPtr, endPtr) Tcl_RegExp Tcl_GetRegExpFromObj(interp, patObj, cflags) int Tcl_RegExpExecObj(interp, regexp, textObj, offset, nmatches, eflags) void Tcl_RegExpGetInfo(regexp, infoPtr)ArgumentsTcl_Interp *interp (in) Tcl interpreter…

Tcl_RegExpMatch, Tcl_RegExpCompile, Tcl_RegExpExec, Tcl_RegExpRange, Tcl_GetRegExpFromObj, Tcl_RegExpMatchObj, Tcl_RegExpExecObj, Tcl_RegExpGetInfo – Pattern matching with regular expressions Synopsis#include <tcl.h> int Tcl_RegExpMatchObj(interp, textObj, patObj) int Tcl_RegExpMatch(interp, text, pattern) Tcl_RegExp Tcl_RegExpCompile(interp, pattern) int Tcl_RegExpExec(interp, regexp, text, start) void Tcl_RegExpRange(regexp, index, startPtr, endPtr) Tcl_RegExp Tcl_GetRegExpFromObj(interp, patObj, cflags) int Tcl_RegExpExecObj(interp, regexp, textObj, offset, nmatches, eflags) void Tcl_RegExpGetInfo(regexp, infoPtr)ArgumentsTcl_Interp *interp (in) Tcl interpreter…

Tcl_RecordAndEvalObj – save command on history list before evaluating Synopsis#include <tcl.h> int Tcl_RecordAndEvalObj(interp, cmdPtr, flags)ArgumentsTcl_Interp *interp (in) Tcl interpreter in which to evaluate command. Tcl_Obj *cmdPtr (in) Points to a Tcl object containing a command (or sequence of commands) to execute. int flags (in) An OR’ed combination of flag bits. TCL_NO_EVAL means record the command…

Tcl_RecordAndEval – save command on history list before evaluating Synopsis#include <tcl.h> int Tcl_RecordAndEval(interp, cmd, flags)ArgumentsTcl_Interp *interp (in) Tcl interpreter in which to evaluate command. const char *cmd (in) Command (or sequence of commands) to execute. int flags (in) An OR’ed combination of flag bits. TCL_NO_EVAL means record the command but do not evaluate it. TCL_EVAL_GLOBAL…

Tcl_DetachPids, Tcl_ReapDetachedProcs, Tcl_WaitPid – manage child processes in background Synopsis#include <tcl.h> Tcl_DetachPids(numPids, pidPtr) Tcl_ReapDetachedProcs() Tcl_Pid Tcl_WaitPid(pid, statusPtr, options)Argumentsint numPids (in) Number of process ids contained in the array pointed to by pidPtr. int *pidPtr (in) Address of array containing numPids process ids. Tcl_Pid pid (in) The id of the process (pipe) to wait for. int…

Tcl_Alloc, Tcl_Free, Tcl_Realloc, Tcl_AttemptAlloc, Tcl_AttemptRealloc, ckalloc, ckfree, ckrealloc, attemptckalloc, attemptckrealloc – allocate or free heap memory Synopsis#include <tcl.h> char * Tcl_Alloc(size) void Tcl_Free(ptr) char * Tcl_Realloc(ptr, size) char * Tcl_AttemptAlloc(size) char * Tcl_AttemptRealloc(ptr, size) char * ckalloc(size) void ckfree(ptr) char * ckrealloc(ptr, size) char * attemptckalloc(size) char * attemptckrealloc(ptr, size)Argumentsunsigned int size (in) Size in…

Tcl_OpenFileChannel, Tcl_OpenCommandChannel, Tcl_MakeFileChannel, Tcl_GetChannel, Tcl_GetChannelNames, Tcl_GetChannelNamesEx, Tcl_RegisterChannel, Tcl_UnregisterChannel, Tcl_DetachChannel, Tcl_IsStandardChannel, Tcl_Close, Tcl_ReadChars, Tcl_Read, Tcl_GetsObj, Tcl_Gets, Tcl_WriteObj, Tcl_WriteChars, Tcl_Write, Tcl_Flush, Tcl_Seek, Tcl_Tell, Tcl_TruncateChannel, Tcl_GetChannelOption, Tcl_SetChannelOption, Tcl_Eof, Tcl_InputBlocked, Tcl_InputBuffered, Tcl_OutputBuffered, Tcl_Ungets, Tcl_ReadRaw, Tcl_WriteRaw – buffered I/O facilities using channels Synopsis#include <tcl.h> Tcl_Channel Tcl_OpenFileChannel(interp, fileName, mode, permissions) Tcl_Channel Tcl_OpenCommandChannel(interp, argc, argv, flags) Tcl_Channel Tcl_MakeFileChannel(handle, readOrWrite) Tcl_Channel Tcl_GetChannel(interp, channelName,…

Tcl_OpenFileChannel, Tcl_OpenCommandChannel, Tcl_MakeFileChannel, Tcl_GetChannel, Tcl_GetChannelNames, Tcl_GetChannelNamesEx, Tcl_RegisterChannel, Tcl_UnregisterChannel, Tcl_DetachChannel, Tcl_IsStandardChannel, Tcl_Close, Tcl_ReadChars, Tcl_Read, Tcl_GetsObj, Tcl_Gets, Tcl_WriteObj, Tcl_WriteChars, Tcl_Write, Tcl_Flush, Tcl_Seek, Tcl_Tell, Tcl_TruncateChannel, Tcl_GetChannelOption, Tcl_SetChannelOption, Tcl_Eof, Tcl_InputBlocked, Tcl_InputBuffered, Tcl_OutputBuffered, Tcl_Ungets, Tcl_ReadRaw, Tcl_WriteRaw – buffered I/O facilities using channels Synopsis#include <tcl.h> Tcl_Channel Tcl_OpenFileChannel(interp, fileName, mode, permissions) Tcl_Channel Tcl_OpenCommandChannel(interp, argc, argv, flags) Tcl_Channel Tcl_MakeFileChannel(handle, readOrWrite) Tcl_Channel Tcl_GetChannel(interp, channelName,…

Tcl_OpenFileChannel, Tcl_OpenCommandChannel, Tcl_MakeFileChannel, Tcl_GetChannel, Tcl_GetChannelNames, Tcl_GetChannelNamesEx, Tcl_RegisterChannel, Tcl_UnregisterChannel, Tcl_DetachChannel, Tcl_IsStandardChannel, Tcl_Close, Tcl_ReadChars, Tcl_Read, Tcl_GetsObj, Tcl_Gets, Tcl_WriteObj, Tcl_WriteChars, Tcl_Write, Tcl_Flush, Tcl_Seek, Tcl_Tell, Tcl_TruncateChannel, Tcl_GetChannelOption, Tcl_SetChannelOption, Tcl_Eof, Tcl_InputBlocked, Tcl_InputBuffered, Tcl_OutputBuffered, Tcl_Ungets, Tcl_ReadRaw, Tcl_WriteRaw – buffered I/O facilities using channels Synopsis#include <tcl.h> Tcl_Channel Tcl_OpenFileChannel(interp, fileName, mode, permissions) Tcl_Channel Tcl_OpenCommandChannel(interp, argc, argv, flags) Tcl_Channel Tcl_MakeFileChannel(handle, readOrWrite) Tcl_Channel Tcl_GetChannel(interp, channelName,…

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) int…

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)ArgumentsTcl_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 handler function for…

Tcl_PutEnv – procedures to manipulate the environment Synopsis#include <tcl.h> int Tcl_PutEnv(assignment)Argumentsconst char *assignment (in) Info about environment variable in the format “NAME=value”. The assignment argument is in the system encoding. DescriptionTcl_PutEnv sets an environment variable. The information is passed in a single string of the form “NAME=value”. This procedure is intended to be a stand-in…

Tcl_PrintDouble – Convert floating value to string Synopsis#include <tcl.h> Tcl_PrintDouble(interp, value, dst)ArgumentsTcl_Interp *interp (in) Before Tcl 8.0, the tcl_precision variable in this interpreter controlled the conversion. As of Tcl 8.0, this argument is ignored and the conversion is controlled by the tcl_precision variable that is now shared by all interpreters. double value (in) Floating-point value…

Tcl_Preserve, Tcl_Release, Tcl_EventuallyFree – avoid freeing storage while it is being used Synopsis#include <tcl.h> Tcl_Preserve(clientData) Tcl_Release(clientData) Tcl_EventuallyFree(clientData, freeProc)ArgumentsClientData clientData (in) Token describing structure to be freed or reallocated. Usually a pointer to memory for structure. Tcl_FreeProc *freeProc (in) Procedure to invoke to free clientData. DescriptionThese three procedures help implement a simple reference count mechanism for…

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, script,…

Tcl_PkgRequire, Tcl_PkgRequireEx, Tcl_PkgRequireProc, Tcl_PkgPresent, Tcl_PkgPresentEx, Tcl_PkgProvide, Tcl_PkgProvideEx – package version control Synopsis#include <tcl.h> const char * Tcl_PkgRequire(interp, name, version, exact) const char * Tcl_PkgRequireEx(interp, name, version, exact, clientDataPtr) int Tcl_PkgRequireProc(interp, name, objc, objv, clientDataPtr) const char * Tcl_PkgPresent(interp, name, version, exact) const char * Tcl_PkgPresentEx(interp, name, version, exact, clientDataPtr) int Tcl_PkgProvide(interp, name, version) int Tcl_PkgProvideEx(interp,…

Tcl_PkgRequire, Tcl_PkgRequireEx, Tcl_PkgRequireProc, Tcl_PkgPresent, Tcl_PkgPresentEx, Tcl_PkgProvide, Tcl_PkgProvideEx – package version control Synopsis#include <tcl.h> const char * Tcl_PkgRequire(interp, name, version, exact) const char * Tcl_PkgRequireEx(interp, name, version, exact, clientDataPtr) int Tcl_PkgRequireProc(interp, name, objc, objv, clientDataPtr) const char * Tcl_PkgPresent(interp, name, version, exact) const char * Tcl_PkgPresentEx(interp, name, version, exact, clientDataPtr) int Tcl_PkgProvide(interp, name, version) int Tcl_PkgProvideEx(interp,…