.\" Generated by the Allegro makedoc utility
.TH os_version 3alleg4 "version 4.4.2" "Allegro" "Allegro manual"
.SH NAME
os_version, os_revision \- Version of the OS currently running. Allegro game programming library.\&
.SH SYNOPSIS
.B #include <allegro.h>

.sp
.B extern int os_version;

.B extern int os_revision;
.SH 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.

.SH SEE ALSO
.BR os_type (3alleg4),
.BR os_multitasking (3alleg4)