| block_user | modules/block/block.module | Implementation of hook_user(). |
| check_plain | includes/bootstrap.inc | Encode special characters in a plain-text string for display as HTML. |
| db_fetch_object | includes/database.pgsql.inc | Fetch one result row from the previous query as an object. |
| db_placeholders | includes/database.inc | Generate placeholders for an array of query arguments of a single type. |
| db_query | includes/database.pgsql.inc | Runs a basic query in the active database. |
| module_invoke | includes/module.inc | Invoke a hook in a particular module. |
| t | includes/common.inc | Translate strings to the page language or a given language. |
