| add_permastruct() | Add permalink structure. |
| add_rewrite_endpoint() | Add an endpoint, like /trackback/. |
| add_rewrite_rule() | Adds a rewrite rule that transforms a URL structure to a set of query vars. |
| add_rewrite_tag() | Add a new rewrite tag (like %postname%). |
| flush_rewrite_rules() | Remove rewrite rules and then recreate rewrite rules. |
| remove_permastruct() | Removes a permalink structure. |
| remove_rewrite_tag() | Removes an existing rewrite tag (like %postname%). |