sdp_origin_t
sdp_origin_t *origin;
origin = calloc(1, sizeof (sdp_origin_t));
sdp_origin_t *origin;
sdp_origin_t *origin;
sdp_origin_t *s_origin;
sdp_parse_origin(sdp_origin_t **origin, const char *begin, const char *end,
sdp_origin_t *new_origin = NULL;
new_origin = calloc(1, sizeof (sdp_origin_t));
extern void sdp_free_origin(sdp_origin_t *);
sdp_free_origin(sdp_origin_t *origin)