ref: e1715607a4c65b30729c43c736eb67b957f35073
dir: /libc/src/isalpha.c/
/* See LICENSE file for copyright and license details. */
#define __USE_MACROS
#include <ctype.h>
#undef isalpha
int
isalpha(int c)
{
return __ctype[(unsigned char) c] & (_U|_L);
}