- Tcl_ScanCountedElement
- Tcl_ScanElement
- Tcl_SetAssocData
- Tcl_SetBooleanObj
- Tcl_SetByteArrayLength
- Tcl_SetByteArrayObj
- Tcl_SetChannelError
- Tcl_SetChannelErrorInterp
- Tcl_SetCommandInfo
- Tcl_SetCommandInfoFromToken
- Tcl_SetDoubleObj
- Tcl_SetErrno
- Tcl_SetErrorCode
- Tcl_SetErrorCodeVA
- Tcl_SetHashValue
- Tcl_SetIntObj
- Tcl_SetListObj
- Tcl_SetLongObj
- Tcl_SetMainLoop
- Tcl_SetNamespaceUnknownHandler
- Tcl_SetObjErrorCode
- Tcl_SetObjResult
- Tcl_SetOSTypeObj
- Tcl_SetPanicProc
- Tcl_SetRecursionLimit
- Tcl_SetResult
- Tcl_SetStdChannel
- Tcl_SetVar
- Tcl_SetVar2
- Tcl_SetVar2Ex
- Tcl_SetWideIntObj
- Tcl_SignalId
- Tcl_SignalMsg
- Tcl_Sleep
- Tcl_SourceRCFile
- Tcl_SplitList
- Tcl_SplitPath
- Tcl_StackChannel
- Tcl_StandardChannels
- tcl_startOfNextWord
- tcl_startOfPreviousWord
- Tcl_Stat
- Tcl_StaticPackage
- Tcl_StringCaseMatch
- Tcl_StringMatch
- Tcl_SubstObj
- Tcl_TraceCommand
- tcl_traceCompile
- tcl_traceExec
- Tcl_TraceVar
- Tcl_TraceVar2
- Tcl_TranslateFileName
- Tcl_UniCharIsAlnum
- Tcl_UniCharIsAlpha
- Tcl_UniCharIsControl
- Tcl_UniCharIsDigit
- Tcl_UniCharIsGraph
- Tcl_UniCharIsLower
- Tcl_UniCharIsPrint
- Tcl_UniCharIsPunct
- Tcl_UniCharIsSpace
- Tcl_UniCharIsUpper
- Tcl_UniCharIsWordChar
- Tcl_UniCharToLower
- Tcl_UniCharToTitle
- Tcl_UniCharToUpper
- Tcl_UnlinkVar
- Tcl_UnsetVar
- Tcl_UnsetVar2
- Tcl_UnstackChannel
MAN (3)
Library functions, covering in particular the C standard library