Specifies that words reserved under the X/Open definition of COBOL are to be treated as reserved words.
>>-.---.-.-------XOPEN--"level"-.---------->< +-/-+ +.----.-XOPEN----------+ +-NO-+
level | The level of X/Open definition COBOL to be compatible with:
|
Default: | NOXOPEN ( |
Phase: | Syntax check |
$SET: | Initial |
XOPEN sets RTNCODE-SIZE"4" immediately.
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.