-#define __NEED_in_addr_t
-#define __NEED_in_port_t
-#define __NEED_sa_family_t
-#define __NEED_struct_in_addr
-#define __NEED_uint8_t
-#define __NEED_uint16_t
-#define __NEED_uint32_t
-
-#include <bits/alltypes.h>
+typedef uint16_t in_port_t;
+typedef uint32_t in_addr_t;
+struct in_addr { in_addr_t s_addr; };