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 NWRevNumGet()
------------------------------------------------------------------------------
 Purpose:
 Get the NetWare revision number.

 Syntax:
 iRevNum = NWRevNumGet()

 Parameters:
 None.

 Returns:
 A numeric value (signed short int).

 Description:
 NWRevNumGet() returns the operating system revision number on the
 default file server.

 Returns NOVERRINT if an error occurs.

 Example:
 // To display the operating system revision number:
 iRevNumber = NWRevNumGet()
 if ( iRevNumber != NOVERRINT )
    ? "The operating system has revision number", iRevNumber
 endif