#include <sys/syscall.h>
#include <time.h>
-#include <unistd.h>
#ifdef __NR_clock_getres
_syscall2(int, clock_getres, clockid_t, clock_id, struct timespec*, res)
#else
+# include <unistd.h>
int clock_getres(clockid_t clock_id, struct timespec* res)
{