add: LOG(L_ERR, "user = \'%.*s\'\n", user.len, user.s);
context: int save(struct sip_msg* _m, char* _t, char* _s){	contact_t* c;	int st;	str user;	rerrno = R_OK;	if (parse_message(_m) < 0) {		goto error;	}	if (check_contacts(_m, &st) > 0) {		goto error;	}		get_act_time();	c = get_first_contact(_m);	str_copy(&user, &((struct to_body*)_m->to->parsed)->uri);	if (get_user(&user) < 0) {		rerrno = R_TO_USER;		LOG(L_ERR, "save(): Can't extract username part from To URI, sending 400\n");		goto error;	}	if (c == 0) {		if (st) {			if (star((udomain_t*)_t, &user) < 0) goto error;		} else {			if (no_contacts((udomain_t*)_t, &user) < 0) goto error;		}	} else {		if (contacts(_m, c, (udomain_t*)_t, &user) < 0) goto error;	}	if (send_reply(_m) < 0) return -1;	else return 1;	 error:	send_reply(_m);	return -1;}