ref: 4a958ed64d14b99abed9c49125079ca21d3a8d38
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);
}