#ifndef _SYS_UN_H #define _SYS_UN_H 1 // https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/sys_un.h.html #include __BEGIN_DECLS #include struct sockaddr_un { sa_family_t sun_family; /* Address family. */ char sun_path[FILENAME_MAX]; /* Socket pathname. */ }; __END_DECLS #endif