#ifndef _CH_SYS_UN_H_
#define	_CH_SYS_UN_H_

//typedef unsigned char sa_family_t;
/*
 * Definitions for UNIX IPC domain.
 */
struct sockaddr_un {
        unsigned char   sun_len;        /* sockaddr len including null */
        sa_family_t     sun_family;     /* AF_UNIX */
        char    sun_path[104];          /* path name (gag) */
};

/* actual length of an initialized sockaddr_un */
#define SUN_LEN(su) \
        (sizeof(*(su)) - sizeof((su)->sun_path) + strlen((su)->sun_path))

#endif	/* _CH_SYS_UN_H_ */
