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retrace_count(3)		 Allegro manual 		retrace_count(3)

NAME
     retrace_count - Retrace count simulator. Allegro game programming library.

SYNOPSIS
     #include <allegro.h>

     extern volatile int retrace_count;

DESCRIPTION
     If  the  retrace  simulator is installed, this count is incremented on each
     vertical retrace; otherwise, if the refresh rate is known, the count is in-
     cremented at the same rate (ignoring retraces);  otherwise,  it  is  incre-
     mented  70  times a second. This provides a way of controlling the speed of
     your program without installing user timer functions.

SEE ALSO
     ex3d(3), exblend(3), exdbuf(3), exflip(3), exlights(3)

Allegro 			  version 4.4.3 		retrace_count(3)

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