-void put_visit(struct visit *newvisit);
-void CtdlGetRelationship(struct visit *vbuf,
- struct ctdluser *rel_user,
- struct ctdlroom *rel_room);
-void CtdlSetRelationship(struct visit *newvisit,
- struct ctdluser *rel_user,
- struct ctdlroom *rel_room);