2026     struct mbuf *m_at, int cnt_inits_to,  in sctp_add_addresses_to_i_ia()  argument
2038 		return (m_at);  in sctp_add_addresses_to_i_ia()
2127 						memset(mtod(m_at, caddr_t)+*chunk_len, 0, *padding_len);  in sctp_add_addresses_to_i_ia()
2128 						SCTP_BUF_LEN(m_at) += *padding_len;  in sctp_add_addresses_to_i_ia()
2132 					m_at = sctp_add_addr_to_mbuf(m_at, sctp_ifap, chunk_len);  in sctp_add_addresses_to_i_ia()
2200 					memset(mtod(m_at, caddr_t)+*chunk_len, 0, *padding_len);  in sctp_add_addresses_to_i_ia()
2201 					SCTP_BUF_LEN(m_at) += *padding_len;  in sctp_add_addresses_to_i_ia()
2205 				m_at = sctp_add_addr_to_mbuf(m_at, laddr->ifa, chunk_len);  in sctp_add_addresses_to_i_ia()
2214 	return (m_at);  in sctp_add_addresses_to_i_ia()
3812 	struct mbuf *copy_init, *copy_initack, *m_at, *sig, *mret;  in sctp_add_cookie()  local
3858 	for (m_at = mret; m_at; m_at = SCTP_BUF_NEXT(m_at)) {  in sctp_add_cookie()
3859 		cookie_sz += SCTP_BUF_LEN(m_at);  in sctp_add_cookie()
3860 		if (SCTP_BUF_NEXT(m_at) == NULL) {  in sctp_add_cookie()
3861 			SCTP_BUF_NEXT(m_at) = copy_init;  in sctp_add_cookie()
3865 	for (m_at = copy_init; m_at; m_at = SCTP_BUF_NEXT(m_at)) {  in sctp_add_cookie()
3866 		cookie_sz += SCTP_BUF_LEN(m_at);  in sctp_add_cookie()
3867 		if (SCTP_BUF_NEXT(m_at) == NULL) {  in sctp_add_cookie()
3868 			SCTP_BUF_NEXT(m_at) = copy_initack;  in sctp_add_cookie()
3872 	for (m_at = copy_initack; m_at; m_at = SCTP_BUF_NEXT(m_at)) {  in sctp_add_cookie()
3873 		cookie_sz += SCTP_BUF_LEN(m_at);  in sctp_add_cookie()
3874 		if (SCTP_BUF_NEXT(m_at) == NULL) {  in sctp_add_cookie()
3884 	SCTP_BUF_NEXT(m_at) = sig;  in sctp_add_cookie()
11130 		struct mbuf *m_at, *m_last = NULL;  in sctp_send_resp_msg()  local
11132 		for (m_at = cause; m_at; m_at = SCTP_BUF_NEXT(m_at)) {  in sctp_send_resp_msg()
11133 			if (SCTP_BUF_NEXT(m_at) == NULL)  in sctp_send_resp_msg()
11134 				m_last = m_at;  in sctp_send_resp_msg()
11135 			cause_len += SCTP_BUF_LEN(m_at);  in sctp_send_resp_msg()