#include <sched.h>
#define T(t) (t*)0;
#define F(t,n) {t *y = &x.n;}
#define C(n) switch(n){case n:;}
static void f()
{
#ifdef X_PS
T(pid_t)
#endif
T(time_t)
T(struct timespec)
{
struct sched_param x;
F(int,sched_priority)
F(int,sched_ss_low_priority)
F(struct timespec,sched_ss_repl_period)
F(struct timespec,sched_ss_init_budget)
F(int,sched_ss_max_repl)
}

C(SCHED_SPORADIC)
{int(*p)(void) = sched_yield;}

#if defined(X_PS) || defined(X_TPS)
C(SCHED_FIFO)
C(SCHED_RR)
C(SCHED_OTHER)
{int(*p)(int) = sched_get_priority_max;}
{int(*p)(int) = sched_get_priority_min;}
{int(*p)(pid_t,struct timespec*) = sched_rr_get_interval;}
#endif

#ifdef X_PS
{int(*p)(pid_t,struct sched_param*) = sched_getparam;}
{int(*p)(pid_t) = sched_getscheduler;}
{int(*p)(pid_t,const struct sched_param*) = sched_setparam;}
{int(*p)(pid_t,int,const struct sched_param*) = sched_setscheduler;}
#endif
}