ref: 4895b182d57d6900cf73c95855b9443daa227ad5
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;
}