1al_get_num_video_adapters(3)Library Functions Manualal_get_num_video_adapters(3)
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NAME

6       al_get_num_video_adapters
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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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SEE ALSO

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