v4l2_connector_link
struct v4l2_connector_link *link =
struct v4l2_connector_link *link0 = NULL;
struct v4l2_connector_link *link1;
struct v4l2_connector_link *link, *tmp;
struct v4l2_connector_link *link;
struct v4l2_connector_link, head)
list_last_entry(&(v4l2c)->links, struct v4l2_connector_link, head)