Doug Royer <Doug(at)royer(dot)com> writes:
> Would the correct question be, "what does POSIX define?". More
> and more systems (at least Unix systems) are defining POSIX
> interfaces. I don't have my POSIX CD here with me or I would
> quote the getopt() definition. I ~think~ it says EOF, and
> the target systems include files define what EOF means.
I looked at the Single Unix Specification at
http://www.opengroup.org/onlinepubs/007908799/
and their man page for getopt says "-1".
I believe SUS is derived from POSIX among others.
If POSIX does say EOF then we might have a conflict,
but otherwise the tide seems to be running to -1.
regards, tom lane