ref: 4a958ed64d14b99abed9c49125079ca21d3a8d38
dir: /libc/src/isxdigit.c/
/* See LICENSE file for copyright and license details. */
#define __USE_MACROS
#include <ctype.h>
#undef isxdigit
int
isxdigit(int c)
{
return _ctype[(unsigned char) c] & (_D|_X);
}