ref: 5452a740f77b55731c52958f3f99086d02bd9d41
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);
}