Tcl_Concat         89 tcl.h          extern char *		Tcl_Concat();
Tcl_Concat        273 tclCmdAH.c         interp->result = Tcl_Concat(argc-1, argv+1);
Tcl_Concat        384 tclCmdAH.c     	cmd = Tcl_Concat(argc-1, argv+1);
Tcl_Concat        516 tclProc.c      	cmd = Tcl_Concat(argc-2, argv+2);