| file_create_filename | includes/file.inc | Create a full file path from a directory and filename. If a file with the
specified name already exists, an alternative will be used. |
| file_create_path | includes/file.inc | Make sure the destination is a complete path and resides in the file system
directory, if it is not prepend the file system directory. |
| file_create_url | includes/file.inc | Create the download path to a file. |
| format_plural | includes/common.inc | Format a string containing a count of items. |
| theme | includes/theme.inc | Generate the themed representation of a Drupal object. |
| upload_delete | modules/upload/upload.module | |
| upload_delete_revision | modules/upload/upload.module | |
| upload_load | modules/upload/upload.module | |
| upload_nodeapi | modules/upload/upload.module | Implementation of hook_nodeapi(). |
| upload_save | modules/upload/upload.module | |
| url | includes/common.inc | Generate a URL from a Drupal menu path. Will also pass-through existing URLs. |
| user_access | modules/user/user.module | Determine whether the user has a given privilege. |
| variable_get | includes/bootstrap.inc | Return a persistent variable. |
| _upload_prepare | modules/upload/upload.module | Save new uploads and attach them to the node object.
append file_previews to the node object as well. |
| _upload_validate | modules/upload/upload.module | |
