-/* IN_CTYPE_DOMAIN (C) is nonzero if the unsigned char C can safely be given
- as an argument to <ctype.h> macros like "isspace". */
-#ifdef STDC_HEADERS
-# define IN_CTYPE_DOMAIN(c) 1
-#else
-# define IN_CTYPE_DOMAIN(c) ((c) <= 0177)
-#endif
-
-#define ISSPACE(c) (IN_CTYPE_DOMAIN (c) && isspace (c))
-