ref: d94045063ac8a93222b4f08ac56c056a7a6a2415
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);
}