islower           164 core/lib_thumb.c int toupper(int c) { return islower(c) ? c & ~0x20 : c; }
islower            74 include/stdlib.h extern int islower(int c);
islower           232 lib/lua/lstrlib.c     case 'l' : res = islower(c); break;
islower           241 lib/lua/lstrlib.c   return (islower(cl) ? res : !res);
islower           120 modules/module_exportlist.c             islower