| check_plain | includes/bootstrap.inc | Encode special characters in a plain-text string for display as HTML. |
| drupal_render | includes/common.inc | Renders HTML given a structured array tree. |
| node_build_content | modules/node/node.module | Builds a structured array representing the node's content. |
| node_invoke_nodeapi | modules/node/node.module | Invoke a hook_nodeapi() operation in all modules. |
| node_load | modules/node/node.module | Load a node object from the database. |
| search_index | modules/search/search.module | Update the full-text search index for a particular item. |
| variable_set | includes/bootstrap.inc | Set a persistent variable. |
| _node_index_node | modules/node/node.module | Index a single node. |