#include <arpa/inet.h>
#include <assert.h>
#include <errno.h>
+#include <limits.h>
+#include <netinet/in.h>
#include <pthread.h>
#include <signal.h>
+#include <stdint.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/types.h>
-#include <unistd.h>
-#include <limits.h>
#if GNUTLS_VERSION_NUMBER <= 0x020b00
/* Necessary for GnuTLS when used with threads. */