#include <errno.h>
#include <netinet/in.h>
#include <arpa/inet.h>
+#include <unistd.h>
#include "sockets.h"
#include "macros.h"
}
{
char byte = 'x';
+ close (99);
errno = 0;
ASSERT (sendto (99, &byte, 1, 0,
(const struct sockaddr *) &addr, sizeof (addr))