ref: c4c303869381a1d06b5877e6a32e5bf016cb4531
dir: /libc/src/islower.c/
/* See LICENSE file for copyright and license details. */
#define __USE_MACROS
#include <ctype.h>
#undef islower
int
islower(int c)
{
return _ctype[(unsigned char) c] & _L;
}