TclX (Extended Tcl) adds a variety of useful commands to Tcl, most of which are described in the main TclX manual page. The rest of the manual pages deal with the C-Library APIs added by TclX.
| TclCommandWriting | Writing C language extensions to Tcl. |
| TclX | Extended Tcl: Extended command set for Tcl |
| TclX_KeyedListDelete | Keyed list management routines. |
| TclX_KeyedListGet | Keyed list management routines. |
| TclX_KeyedListGetKeys | Keyed list management routines. |
| TclX_KeyedListSet | Keyed list management routines. |
| TclX_NewKeyedListObj | Keyed list management routines. |
| Tcl_HandleAlloc | Dynamic, handle addressable tables. |
| Tcl_HandleFree | Dynamic, handle addressable tables. |
| Tcl_HandleTblInit | Dynamic, handle addressable tables. |
| Tcl_HandleTblRelease | Dynamic, handle addressable tables. |
| Tcl_HandleTblUseCount | Dynamic, handle addressable tables. |
| Tcl_HandleWalk | Dynamic, handle addressable tables. |
| Tcl_HandleXlate | Dynamic, handle addressable tables. |
| TclX_Main | Extended Tcl initialization. |
| Tclx_Init | Extended Tcl initialization. |
| Tclxcmd_Init | Extended Tcl initialization. |
| TkX_Main | Extended Tcl initialization. |
| Tkx_Init | Extended Tcl initialization. |
| Tcl_DisplayMemory | Validated memory allocation interface. |
| Tcl_InitMemory | Validated memory allocation interface. |
| Tcl_ValidateAllMemory | Validated memory allocation interface. |
| ckalloc | Validated memory allocation interface. |
| ckfree | Validated memory allocation interface. |
| memory | Validated memory allocation interface. |