ref: 840c98a16e5c6ce962d3a7d4c01c27a51dad2e23
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);
}