- ckeditor_image_upload in modules/
ckeditor/ ckeditor.pages.inc - Menu callback; Saves images uploaded via copy/paste into the editor.
- file_field_widget_upload_validators in modules/
file/ file.field.inc - Retrieves the upload validators for a file field.
- file_get_upload_validators in modules/
file/ file.pages.inc - Retrieves the upload validators for a file.
- filter_format_editor_image_form in modules/
filter/ filter.pages.inc - Form callback: Display a form for inserting/editing an image.
- filter_format_editor_link_form in modules/
filter/ filter.pages.inc - Form callback: Display a form for inserting/editing a link or uploading a file.
- theme_file_upload_help in modules/
file/ file.theme.inc - Returns HTML for help text based on file upload validators.
- user_validate_picture in modules/
user/ user.module - Validates an image uploaded by a user.