ref: 994ab1e07787574e639eeb35e6da2a33a1e53bc2
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);
}