1os_version(3)                   Allegro manual                   os_version(3)
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NAME

6       os_version,  os_revision - Version of the OS currently running. Allegro
7       game programming library.
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SYNOPSIS

10       #include <allegro.h>
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13       extern int os_version;
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15       extern int os_revision;
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DESCRIPTION

18       The major and minor version of the Operating System currently  running.
19       Set  by  allegro_init().  If  Allegro  for  some reason was not able to
20       retrieve the version of the Operating System, os_version  and  os_revi‐
21       sion  will  be  set  to  -1.  For  example: Under Win98 SE (v4.10.2222)
22       os_version will be set to 4 and os_revision to 10.
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SEE ALSO

26       os_type(3), os_multitasking(3)
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30Allegro                          version 4.4.2                   os_version(3)