ref: 24df403e7e688d13b5c5c29ca5a9fa6c6b2499df dir: /libc/src/iscntrl.c/
/* See LICENSE file for copyright and license details. */ #define __USE_MACROS #include <ctype.h> #undef iscntrl int iscntrl(int c) { return _ctype[(unsigned char) c] & (_C); }