SOCKFILE_NAMELEN
strncpy(serv_addr.sun_path, sockfile, SOCKFILE_NAMELEN);
serv_addr.sun_path[SOCKFILE_NAMELEN - 1] = '\0';
strncpy(serv_addr.sun_path, sockfile, SOCKFILE_NAMELEN);
serv_addr.sun_path[SOCKFILE_NAMELEN - 1] = '\0';
strncpy(un_addr.sun_path, sockfile, SOCKFILE_NAMELEN);
un_addr.sun_path[SOCKFILE_NAMELEN - 1] = '\0';