os_version
Section: Allegro manual (3)
Updated: version 4.2.2
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NAME
os_version, os_revision - Version of the OS currently running. Allegro game programming library.
SYNOPSIS
#include <allegro.h>
extern int os_version;
extern int os_revision;
DESCRIPTION
The major and minor version of the Operating System currently running.
Set by allegro_init(). If Allegro for some reason was not able to
retrieve the version of the Operating System, os_version and
os_revision will be set to -1. For example: Under Win98 SE (v4.10.2222)
os_version will be set to 4 and os_revision to 10.
SEE ALSO
os_type(3),
os_multitasking(3)