ref: 3e95097ce623d14228f5fe8f4206efe7d3490a9a
dir: /libc/src/isupper.c/
/* See LICENSE file for copyright and license details. */
#define __USE_MACROS
#include <ctype.h>
#undef isupper
int
isupper(int c)
{
return _ctype[(unsigned char) c] & _U;
}