XOPEN

Syntax:

>>-.---.-.-------XOPEN--"level"-.----------><
   +-/-+ +.----.-XOPEN----------+
          +-NO-+

Parameters:

level
The level of X/Open definition COBOL to be compatible with:
3
Compatible with X/Open Portability Guide 1988 (XPG-3)
4
Compatible with X/Open CAE Specification (XPG-4)

Properties:

Default: NOXOPEN (Dialect)
Phase: Syntax check
$SET: Initial

Dependencies:

XOPEN sets RTNCODE-SIZE"4" immediately.

Comments:

Specifying XOPEN with no parameter is the same as specifying XOPEN"4". If you specify XOPEN"4", National Character Support is enabled using the DBCS"3" directive.