* one cannot forward declare an enum
*/
extern int ip_address_family_decode (int _af, ip_address_family_t * out);
extern int ip_address_family_encode (ip_address_family_t af);
extern int ip_proto_decode (int _af, ip_protocol_t * out);
extern int ip_proto_encode (ip_protocol_t af);
* one cannot forward declare an enum
*/
extern int ip_address_family_decode (int _af, ip_address_family_t * out);
extern int ip_address_family_encode (ip_address_family_t af);
extern int ip_proto_decode (int _af, ip_protocol_t * out);
extern int ip_proto_encode (ip_protocol_t af);