-#ifdef TIME_WITH_SYS_TIME
-# include <sys/time.h>
-# include <time.h>
-#else // !TIME_WITH_SYS_TIME
-# ifdef HAVE_SYS_TIME_H
-# include <sys/time.h>
-# else // !HAVE_SYS_TIME_H
-# include <time.h>
-# endif // HAVE_SYS_TIME_H
-#endif // TIME_WITH_SYS_TIME
-
-#ifdef HAVE_UNISTD_H
-# include <sys/types.h>
-# include <unistd.h>
-#endif // HAVE_UNISTD_H