#include <unistd.h>
#include <assert.h>
-#ifdef HAVE_SYS_SOCKET_H
-# include <sys/socket.h>
-#endif /* def HAVE_SYS_SOCKET_H */
-
-#ifdef HAVE_SYS_SELECT_H
-# include <sys/select.h>
-#endif /* def HAVE_SYS_SELECT_H */
+#include <sys/socket.h>
+#include <sys/select.h>
#ifndef WINDOWS
# ifdef __VMS