ref: dc646368f83872d8a5a3f3470254f9516e5e09dc
dir: /libc/src/isdigit.c/
/* See LICENSE file for copyright and license details. */
#define __USE_MACROS
#include <ctype.h>
#undef isdigit
int
isdigit(int c)
{
return _ctype[(unsigned char) c] & (_D);
}