os_version(3) Allegro manual os_version(3)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_revi‐
sion 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 ALSOos_type(3), os_multitasking(3)Allegro version 4.4.2 os_version(3)