#include <ctype.h>

#define T(t) (t*)0;

static void f()

{

{int(*p)(int) = isalnum;}

{int(*p)(int) = isalpha;}

{int(*p)(int) = isascii;}

{int(*p)(int) = isblank;}

{int(*p)(int) = iscntrl;}

{int(*p)(int) = isdigit;}

{int(*p)(int) = isgraph;}

{int(*p)(int) = islower;}

{int(*p)(int) = isprint;}

{int(*p)(int) = ispunct;}

{int(*p)(int) = isspace;}

{int(*p)(int) = isupper;}

{int(*p)(int) = isxdigit;}

{int(*p)(int) = toascii;}

{int(*p)(int) = tolower;}

{int(*p)(int) = toupper;}

#ifdef _POSIX_C_SOURCE

T(locale_t)

{int(*p)(int,locale_t) = isalnum_l;}

{int(*p)(int,locale_t) = isalpha_l;}

{int(*p)(int,locale_t) = isblank_l;}

{int(*p)(int,locale_t) = iscntrl_l;}

{int(*p)(int,locale_t) = isdigit_l;}

{int(*p)(int,locale_t) = isgraph_l;}

{int(*p)(int,locale_t) = islower_l;}

{int(*p)(int,locale_t) = isprint_l;}

{int(*p)(int,locale_t) = ispunct_l;}

{int(*p)(int,locale_t) = isspace_l;}

{int(*p)(int,locale_t) = isupper_l;}

{int(*p)(int,locale_t) = isxdigit_l;}

{int(*p)(int,locale_t) = tolower_l;}

{int(*p)(int,locale_t) = toupper_l;}

#endif

}