11 uses of MENU_TYPE_CALLBACK

admin_menu in modules/admin/admin.module
Implementation of hook_menu
advise_menu in modules/advise/advise.module
comments_menu in modules/comments/comments.module
content_menu in modules/content/content.module
course_search_menu in modules/course_search/course_search.module
example_helper_menu in custom/modules/example_helper/example_helper.module
Implementation of hook_menu
fp_render_menu_block in includes/theme.inc
Render a "menu" block of menu items which are all rooted at the menu_root. So if the menu root is tools, it might return items whose paths look like: tools/fun tools/here/there So long as the menu type is "MENU_TYPE_NORMAL_ITEM". …
hook_menu in includes/hook.api.php
Allows modules to specify valid URLs in FlightPath, and define what function to call when the user visits that URL.
stats_menu in modules/stats/stats.module
Implementation of hook_menu
system_menu in modules/system/system.module
update_status_menu in modules/update_status/update_status.module
Implementation of hook_menu