ref: f515b0a6e4650933cee27e75a2d9e3690222cbfd
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);
}