remove_display_switch_callback - Removes a switching notification callback. Allegro game programming

       Removes a notification callback that was previously installed by  calling  set_display_switch_callback().
       All  the  callbacks will automatically be removed when you call set_display_switch_mode(). You can safely
       call this function even if the callback you want to remove is not installed.

       remove_display_switch_callback  -  Removes  a  switching  notification callback. Allegro game programming
       library.

set_display_switch_callback(3alleg4)

Allegro                                           version 4.4.3          remove_display_switch_callback(3alleg4)

#include<allegro.h>voidremove_display_switch_callback(void(*cb)());