ref: 7422cf29d5bf6b0b5b8c4089e7dd0607299c4d2f
dir: /lib/c/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);
}