1al_get_num_video_adapters(3)                      al_get_num_video_adapters(3)
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NAME

6       al_get_num_video_adapters - Allegro 5 API
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SYNOPSIS

9              #include <allegro5/allegro.h>
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11              int al_get_num_video_adapters(void)
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DESCRIPTION

14       Get  the  number  of  video  "adapters" attached to the computer.  Each
15       video card attached to the computer counts as one or more adapters.  An
16       adapter  is  thus really a video port that can have a monitor connected
17       to it.
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19       On Windows, use al_set_new_display_flags(3) to switch between  Direct3D
20       and  OpenGL  backends,  which will often have different adapters avail‐
21       able.
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SEE ALSO

24       al_get_monitor_info(3)
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28Allegro reference manual                          al_get_num_video_adapters(3)
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