Provided by: allegro4-doc_4.4.2-13_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)