iscntrl 18 include/std/ctype.h extern int iscntrl(int c); iscntrl 81 lib/lua/llex.c return (iscntrl(token)) ? luaO_pushfstring(ls->L, "char(%d)", token) : iscntrl 230 lib/lua/lstrlib.c case 'c' : res = iscntrl(c); break; iscntrl 121 modules/module_exportlist.c iscntrl