ref: 7f794f6356aa288402b0b1b60a47741d987a7e07
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;
}