os/windows/posix/include/sys/un.h

#ifndef SYS_UN_H
#define SYS_UN_H

typedef int sa_family_t;
typedef int in_port_t;

 struct sockaddr_un
 {
	sa_family_t	sun_family; /* Address family */
	char		sun_path[260]; /* Socket pathname */
};

#endif /* SYS_UN_H */