sip_header_function_t
sip_header_function_t *sip_function_table;
sizeof (sip_header_function_table) / sizeof (sip_header_function_t)
sip_header_function_t *sip_header_function_table_external = NULL;
sip_header_function_t sip_header_function_table[] = {
sip_header_function_t *
_sip_get_header_functions(sip_header_function_t *sip_header_function_table,
sip_header_function_t *
sip_header_function_t *func;
sip_header_function_t *header_f_table = NULL;
sip_header_function_t *header_f_table = NULL;
extern sip_header_function_t *sip_header_function_table_external;
sip_header_function_t *sip_header_functions;