-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include <ctype.h>
-
-#if defined STDC_HEADERS || (!defined isascii && !defined HAVE_ISASCII)
-# define IN_CTYPE_DOMAIN(Char) 1
-#else
-# define IN_CTYPE_DOMAIN(Char) isascii (Char)
-#endif
-#define ISLOWER(Char) (IN_CTYPE_DOMAIN (Char) && islower (Char))
-
-#if _LIBC || STDC_HEADERS
-# define TOUPPER(Char) toupper (Char)
-#else
-# define TOUPPER(Char) (ISLOWER (Char) ? toupper (Char) : (Char))
-#endif