#include <sys/select.h>

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

#define F(t,n) {t *y = &x.;;}

#define C(n) switch(n){case n:;}

static void f()

{

T(time_t)

T(suseconds_t)

T(sigset_t)

T(struct timespec)

T(fd_set)

{

struct timeval x;

F(time_t, tv_sec)

F(suseconds_t, tv_usec)

}

C(FD_SETSIZE)

#ifndef FD_CLR

{void(*p)(int,fd_set*) = FD_CLR;}

#endif

#ifndef FD_ISSET

{int(*p)(int,fd_set*) = FD_ISSET;}

#endif

#ifndef FD_SET

{void(*p)(int,fd_set*) = FD_SET;}

#endif

#ifndef FD_ZERO

{void(*p)(fd_set*) = FD_ZERO;}

#endif

{int(*p)(int,fd_set*restrict,fd_set*restrict,fd_set*restrict,const struct timespec*restrict,const sigset_t*restrict) = pselect;}

{int(*p)(int,fd_set*restrict,fd_set*restrict,fd_set*restrict,struct timeval*restrict) = select;}

}