#include <utmpx.h>

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

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

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

static void f()

{

T(pid_t)

T(struct timeval)

{

struct utmpx x;

F(char,ut_user[0])

F(char,ut_id[0])

F(char,ut_line[0])

F(pid_t, ut_pid)

F(short, ut_type)

F(struct timeval,ut_tv)

}

C(EMPTY)

C(BOOT_TIME)

C(OLD_TIME)

C(NEW_TIME)

C(USER_PROCESS)

C(INIT_PROCESS)

C(LOGIN_PROCESS)

C(DEAD_PROCESS)

{void(*p)(void) = endutxent;}

{struct utmpx*(*p)(void) = getutxent;}

{struct utmpx*(*p)(const struct utmpx*) = getutxid;}

{struct utmpx*(*p)(const struct utmpx*) = getutxline;}

{struct utmpx*(*p)(const struct utmpx*) = pututxline;}

{void(*p)(void) = setutxent;}

}