1#ifndef SYS_UN_H 2#define SYS_UN_H 3 4typedef int sa_family_t; 5typedef int in_port_t; 6 7 struct sockaddr_un 8 { 9 sa_family_t sun_family; /* Address family */ 10 char sun_path[260]; /* Socket pathname */ 11}; 12 13#endif /* SYS_UN_H */ 14