se_ctrladdr_un
unlink(sep->se_ctrladdr_un.sun_path);
if (strlen(sep->se_service) >= sizeof(sep->se_ctrladdr_un.sun_path)) {
sep->se_ctrladdr_un.sun_family = sep->se_family;
sep->se_ctrladdr_un.sun_len = strlen(sep->se_service);
strcpy(sep->se_ctrladdr_un.sun_path, sep->se_service);
sep->se_ctrladdr_size = SUN_LEN(&sep->se_ctrladdr_un);