ref: c47ff0a1a12dbf6ebeb5aac05d0811ef1e1a0455
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;
}