Binary I/O on stdin/stdout?

[Arthur David Olson]

> > Couldn't freopen simply return ((FILE *) 0) in such cases, much as
> > localtime is allowed to return -1 if local time can't be determined?
> 
> Sure; but then what good does it to to specify the facility if
> portable code couldn't rely on it working?

Same as with localtime:  it provides a standardized way for accessing the
capability *when it is available.*
-- 
olson at ncifcrf.gov	"...that lucky ol' Sun ain't got nothin' to do..."