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al_get_display_mode(3)	   Library Functions Manual	al_get_display_mode(3)

NAME
       al_get_display_mode - Allegro 5 API

SYNOPSIS
	      #include <allegro5/allegro.h>

	      ALLEGRO_DISPLAY_MODE *al_get_display_mode(int index, ALLEGRO_DISPLAY_MODE	*mode)

DESCRIPTION
       Retrieves  a fullscreen mode.  Display parameters should	not be changed
       between	a  call	  of   al_get_num_display_modes(3)   and   al_get_dis-
       play_mode(3).   index  must  be	between	0 and the number returned from
       al_get_num_display_modes-1.  mode must  be  an  allocated  ALLEGRO_DIS-
       PLAY_MODE  structure.   This  function will return NULL on failure, and
       the mode	parameter that was passed in on	success.

SEE ALSO
       ALLEGRO_DISPLAY_MODE(3),	al_get_num_display_modes(3)

Allegro	reference manual				al_get_display_mode(3)

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<https://man.freebsd.org/cgi/man.cgi?query=al_get_display_mode&sektion=3&manpath=FreeBSD+Ports+14.3.quarterly>

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