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.TH "al_get_num_video_adapters" "3" "" "Allegro reference manual"
.SH NAME
al_get_num_video_adapters \- Allegro 5 API
.SH SYNOPSIS
.IP
.EX
#include \f[B]<allegro5/allegro.h>\f[R]

int al_get_num_video_adapters(void)
.EE
.SH DESCRIPTION
Get the number of video \[lq]adapters\[rq] attached to the computer.
Each video card attached to the computer counts as one or more adapters.
An adapter is thus really a video port that can have a monitor connected
to it.
.PP
On Windows, use al_set_new_display_flags(3) to switch between Direct3D
and OpenGL backends, which will often have different adapters available.
.SH SEE ALSO
al_get_monitor_info(3)