60 	{"Unknown", NULL, sip_parse_unknown_header, NULL, NULL, NULL},
61 	{"CONTACT", "m", sip_parse_cftr_header, NULL, NULL,
63 	{"FROM", "F", sip_parse_cftr_header, NULL, NULL, sip_free_cftr_header},
64 	{"TO", "T", sip_parse_cftr_header, NULL, NULL, sip_free_cftr_header},
65 	{"CONTENT-LENGTH", "l", sip_parse_clen_header, NULL, NULL,
67 	{"CONTENT-TYPE", "c", sip_parse_ctype_header, NULL, NULL,
69 	{"CALL-ID", "i", sip_parse_cid_header, NULL, NULL, sip_free_phdr},
70 	{"CSEQ", NULL, sip_parse_cseq_header, NULL, NULL, sip_free_phdr},
71 	{"VIA", "v", sip_parse_via_header, NULL, NULL, sip_free_phdr},
72 	{"Max-Forwards", NULL, sip_parse_maxf_header, NULL, NULL,
74 	{"RECORD-ROUTE", NULL, sip_parse_cftr_header, NULL, NULL,
76 	{"ROUTE", NULL, sip_parse_cftr_header, NULL, NULL,
78 	{"ACCEPT", NULL, sip_parse_acpt_header, NULL, NULL, sip_free_phdr},
79 	{"ACCEPT-ENCODING", NULL, sip_parse_acpt_encode_header, NULL, NULL,
81 	{"ACCEPT-LANGUAGE", NULL, sip_parse_acpt_lang_header, NULL, NULL,
83 	{"ALERT-INFO", NULL, sip_parse_alert_header, NULL, NULL, sip_free_phdr},
84 	{"ALLOW", NULL, sip_parse_allow_header, NULL, NULL, sip_free_phdr},
85 	{"CALL-INFO", NULL, sip_parse_callinfo_header, NULL, NULL,
87 	{"CONTENT-DISPOSITION", NULL, sip_parse_contentdis_header, NULL, NULL,
89 	{"CONTENT-ENCODING", "e", sip_parse_contentencode_header, NULL, NULL,
91 	{"CONTENT-LANGUAGE", NULL, sip_parse_contentlang_header, NULL, NULL,
93 	{"DATE", NULL, sip_parse_date_header, NULL, NULL, sip_free_phdr},
94 	{"ERROR-INFO", NULL, sip_parse_errorinfo_header, NULL, NULL,
96 	{"EXPIRES", NULL, sip_parse_expire_header, NULL, NULL, sip_free_phdr},
97 	{"IN-REPLY-TO", NULL, sip_parse_inreplyto_header, NULL, NULL,
99 	{"MIN-EXPIRES", NULL, sip_parse_minexpire_header, NULL, NULL,
101 	{"MIME-VERSION", NULL, sip_parse_mimeversion_header, NULL, NULL,
103 	{"ORGANIZATION", NULL, sip_parse_org_header, NULL, NULL, sip_free_phdr},
104 	{"PRIORITY", NULL, sip_parse_priority_header, NULL, NULL,
106 	{"REQUIRE", NULL, sip_parse_require_header, NULL, NULL, sip_free_phdr},
107 	{"REPLY-TO", NULL, sip_parse_replyto_header, NULL, NULL, sip_free_phdr},
108 	{"RETRY-AFTER", NULL, sip_parse_retryaft_header, NULL, NULL,
110 	{"SERVER", NULL, sip_parse_server_header, NULL, NULL, sip_free_phdr},
111 	{"SUBJECT", "s", sip_parse_subject_header, NULL, NULL, sip_free_phdr},
112 	{"TIMESTAMP", NULL, sip_parse_timestamp_header, NULL, NULL,
114 	{"UNSUPPORTED", NULL, sip_parse_usupport_header, NULL, NULL,
116 	{"SUPPORTED", "k", sip_parse_support_header, NULL, NULL, sip_free_phdr},
117 	{"USER-AGENT", NULL, sip_parse_useragt_header, NULL, NULL,
119 	{"WARNING", NULL, sip_parse_warn_header, NULL, NULL, sip_free_phdr},
120 	{"ALLOW-EVENTS", "u", sip_parse_allow_events_header, NULL, NULL,
122 	{"EVENT", "o", sip_parse_event_header, NULL, NULL, sip_free_phdr},
123 	{"SUBSCRIPTION-STATE", NULL, sip_parse_substate_header, NULL, NULL,
125 	{"AUTHORIZATION", NULL, sip_parse_author_header, NULL, NULL,
127 	{"AUTHENTICATION-INFO", NULL, sip_parse_ainfo_header, NULL, NULL,
129 	{"PROXY-AUTHORIZATION", NULL, sip_parse_pauthor_header, NULL, NULL,
131 	{"PROXY-AUTHENTICATE", NULL, sip_parse_pauthen_header, NULL, NULL,
133 	{"PROXY-REQUIRE", NULL, sip_parse_preq_header, NULL, NULL,
135 	{"WWW-AUTHENTICATE", NULL, sip_parse_wauthen_header, NULL, NULL,
137 	{"RSEQ", NULL, sip_parse_rseq, NULL, NULL, sip_free_phdr},
138 	{"RACK", NULL, sip_parse_rack, NULL, NULL, sip_free_phdr},
139 	{"P-ASSERTED-IDENTITY", NULL, sip_parse_passertedid, NULL, NULL,
141 	{"P-PREFERRED-IDENTITY", NULL, sip_parse_ppreferredid, NULL, NULL,
143 	{"PRIVACY", NULL, sip_parse_privacy_header, NULL, NULL, sip_free_phdr},
144 	{NULL, NULL, NULL, NULL, NULL, NULL},
153 sip_header_function_t *sip_header_function_table_external = NULL;
165 	while (param != NULL) {  in sip_free_params()
181 	if (header == NULL)  in sip_free_phdr()
184 	while (value != NULL) {  in sip_free_phdr()
202 	if (header == NULL)  in sip_free_cftr_header()
205 	while (value != NULL) {  in sip_free_cftr_header()
208 		if (value->cftr_name != NULL)  in sip_free_cftr_header()
210 		if (value->sip_value_parsed_uri != NULL) {  in sip_free_cftr_header()
212 			value->sip_value_parsed_uri = NULL;  in sip_free_cftr_header()
229 	if (new_header == NULL)  in sip_new_header()
230 		return (NULL);  in sip_new_header()
238 	if (new_header->sip_hdr_start == NULL) {  in sip_new_header()
240 		return (NULL);  in sip_new_header()
255 		assert(sip_header->sip_hdr_start != NULL);  in sip_free_header()
258 	if (sip_header->sip_hdr_parsed != NULL) {  in sip_free_header()
259 		assert(sip_header->sip_header_functions != NULL);  in sip_free_header()
260 		if (sip_header->sip_header_functions->header_free != NULL) {  in sip_free_header()
279 	if (to == NULL)  in sip_dup_header()
280 		return (NULL);  in sip_dup_header()
308 	if (extra_param != NULL) {  in _sip_copy_header()
336 	if (new_header == NULL)  in _sip_copy_header()
350 	if (extra_param != NULL) {  in _sip_copy_header()
365 	_sip_add_header(sip_msg, new_header, B_TRUE, B_FALSE, NULL);  in _sip_copy_header()
379 	if (_old_msg == NULL || _new_msg == NULL)  in _sip_find_and_copy_all_header()
386 	header = sip_search_for_header(_old_msg, header_name, NULL);  in _sip_find_and_copy_all_header()
387 	while (header != NULL) {  in _sip_find_and_copy_all_header()
388 		ret = _sip_copy_header(_new_msg, header, NULL, B_TRUE);  in _sip_find_and_copy_all_header()
408 	if (_old_msg == NULL || _new_msg == NULL)  in _sip_find_and_copy_header()
413 	header = sip_search_for_header(_old_msg, header_name, NULL);  in _sip_find_and_copy_header()
414 	if (header == NULL)  in _sip_find_and_copy_header()
435 	if (old_msg == NULL || new_msg == NULL)  in sip_copy_all_headers()
442 	header = sip_search_for_header(_old_msg, NULL, NULL);  in sip_copy_all_headers()
443 	while (header != NULL) {  in sip_copy_all_headers()
444 		ret = _sip_copy_header(_new_msg, header, NULL, B_FALSE);  in sip_copy_all_headers()
447 		header = sip_search_for_header(_old_msg, NULL, header);  in sip_copy_all_headers()
466 	if (msg == NULL || sip_msg == NULL)  in sip_copy_start_line()
472 	if (_old_msg->sip_msg_start_line == NULL) {  in sip_copy_start_line()
479 	if (new_header == NULL) {  in sip_copy_start_line()
505 	if (_sip_msg->sip_msg_start_line == NULL)  in sip_delete_start_line_locked()
509 	while (header != NULL) {  in sip_delete_start_line_locked()
516 	_sip_msg->sip_msg_start_line = NULL;  in sip_delete_start_line_locked()
522 	while (_sip_msg->sip_msg_req_res != NULL) {  in sip_delete_start_line_locked()
530 			if (reqline->sip_parse_uri != NULL) {  in sip_delete_start_line_locked()
532 				reqline->sip_parse_uri = NULL;  in sip_delete_start_line_locked()
551 	if (sip_msg == NULL)  in sip_delete_start_line()
575 	while (header != NULL) {  in sip_delete_all_headers()
581 	_sip_msg->sip_msg_headers_start = NULL;  in sip_delete_all_headers()
582 	_sip_msg->sip_msg_headers_end = NULL;  in sip_delete_all_headers()
599 	header = sip_search_for_header(_sip_msg, header_name, NULL);  in sip_delete_headers()
600 	if (header == NULL)  in sip_delete_headers()
602 	while (header != NULL) {  in sip_delete_headers()
616 		if (header_name != NULL)  in sip_delete_headers()
619 			header = sip_search_for_header(_sip_msg, NULL, NULL);  in sip_delete_headers()
632 	_sip_header_t	*header = NULL;  in _sip_add_header()
634 	if (sip_msg == NULL || new_header == NULL)  in _sip_add_header()
640 	if (header_name != NULL) {  in _sip_add_header()
643 		header = sip_search_for_header(sip_msg, header_name, NULL);  in _sip_add_header()
646 			while (header != NULL) {  in _sip_add_header()
653 		if (header == NULL)  in _sip_add_header()
657 	if (header != NULL) {  in _sip_add_header()
662 				new_header->sip_hdr_next = NULL;  in _sip_add_header()
672 				new_header->sip_hdr_prev = NULL;  in _sip_add_header()
681 			if (sip_msg->sip_msg_headers_end != NULL) {  in _sip_add_header()
689 			new_header->sip_hdr_next = NULL;  in _sip_add_header()
692 			if (sip_msg->sip_msg_headers_start != NULL) {  in _sip_add_header()
700 			new_header->sip_hdr_prev = NULL;  in _sip_add_header()
719 	if (sip_header == NULL && header_name == NULL)  in _sip_get_header_functions()
720 		return (NULL);  in _sip_get_header_functions()
725 	if (header_name == NULL) {  in _sip_get_header_functions()
727 			return (NULL);  in _sip_get_header_functions()
730 		if (sip_find_separator(sip_header, SIP_HCOLON, (char)NULL,  in _sip_get_header_functions()
731 		    (char)NULL, B_FALSE) != 0) {  in _sip_get_header_functions()
732 			return (NULL);  in _sip_get_header_functions()
740 		while (sip_header_function_table[i].header_name != NULL ||  in _sip_get_header_functions()
741 		    sip_header_function_table[i].header_short_name != NULL) {  in _sip_get_header_functions()
742 			if (sip_header_function_table[i].header_name != NULL &&  in _sip_get_header_functions()
751 			    header_short_name != NULL && len ==  in _sip_get_header_functions()
764 	if (sip_header != NULL)  in _sip_get_header_functions()
766 	if (sip_header_function_table[i].header_name == NULL)  in _sip_get_header_functions()
767 		return (NULL);  in _sip_get_header_functions()
778 	sip_header_function_t	*header_f_table = NULL;  in sip_get_header_functions()
780 	if (sip_header_function_table_external != NULL) {  in sip_get_header_functions()
784 		if (header_f_table != NULL)  in sip_get_header_functions()
802 	_sip_header_t		*header = NULL;  in sip_search_for_header()
803 	char			*compact_name = NULL;  in sip_search_for_header()
804 	char			*full_name = NULL;  in sip_search_for_header()
805 	sip_header_function_t	*header_f_table = NULL;  in sip_search_for_header()
807 	if (sip_msg == NULL)  in sip_search_for_header()
808 		return (NULL);  in sip_search_for_header()
813 	if (header_name != NULL) {  in sip_search_for_header()
814 		header_f_table = sip_get_header_functions(NULL, header_name);  in sip_search_for_header()
815 		if (header_f_table != NULL) {  in sip_search_for_header()
818 			if (full_name != NULL)  in sip_search_for_header()
820 			if (compact_name != NULL)  in sip_search_for_header()
829 	if (old_header != NULL)  in sip_search_for_header()
834 	while (header != NULL) {  in sip_search_for_header()
853 		if (full_name != NULL && (full_len <= len) &&  in sip_search_for_header()
868 		if (compact_name != NULL && (compact_len <= len) &&  in sip_search_for_header()
884 	if (header != NULL) {  in sip_search_for_header()
886 		if (header_f_table == NULL) {  in sip_search_for_header()
889 			if (header_f_table == NULL)  in sip_search_for_header()
907 	if (error != NULL)  in _sip_startline_to_str()
910 	if (sip_msg == NULL || sip_msg->sip_msg_start_line == NULL) {  in _sip_startline_to_str()
911 		if (error != NULL)  in _sip_startline_to_str()
913 		return (NULL);  in _sip_startline_to_str()
918 	if ((slstr = malloc(len + 1)) == NULL) {  in _sip_startline_to_str()
920 		if (error != NULL)  in _sip_startline_to_str()
922 		return (NULL);  in _sip_startline_to_str()
941 	if (error != NULL)  in sip_hdr_to_str()
944 	if (sip_header == NULL) {  in sip_hdr_to_str()
945 		if (error != NULL)  in sip_hdr_to_str()
947 		return (NULL);  in sip_hdr_to_str()
951 		if (_sip_header->sip_hdr_sipmsg != NULL) {  in sip_hdr_to_str()
955 		if (error != NULL)  in sip_hdr_to_str()
957 		return (NULL);  in sip_hdr_to_str()
959 	if (_sip_header->sip_hdr_sipmsg != NULL) {  in sip_hdr_to_str()
965 	if (hdrstr == NULL) {  in sip_hdr_to_str()
966 		if (_sip_header->sip_hdr_sipmsg != NULL) {  in sip_hdr_to_str()
970 		if (error != NULL)  in sip_hdr_to_str()
972 		return (NULL);  in sip_hdr_to_str()
979 	if (_sip_header->sip_hdr_sipmsg != NULL) {  in sip_hdr_to_str()
987 			if (error != NULL)  in sip_hdr_to_str()
989 			return (NULL);  in sip_hdr_to_str()
1003 	while (param_list != NULL) {  in sip_get_param_from_list()
1011 	return (NULL);  in sip_get_param_from_list()