Provided by: allegro4-doc_4.4.3.1-4.1build3_all bug

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(3alleg4), os_multitasking(3alleg4)

Allegro                                           version 4.4.3                              os_version(3alleg4)