2 functions implement hook_menu_link_alter()

Note: the procedural functions in this list are found by pattern matching, so the list may include some functions that are not actually implementations of this hook.

user_menu_link_alter in modules/user/user.module

Implements hook_menu_link_alter().

user_translated_menu_link_alter in modules/user/user.module

Implements hook_translated_menu_link_alter().