ref: 1f0d365d97c2e1f57938d17e642c4e3496732b51
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);
}