ref: 1344701bd8e23e73e5f94096485553b534ba4890
dir: /lib/c/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);
}