Landscape printing with cupsPrintFile()

[CharlieB]

Helge Blischke wrote:
> CharlieB wrote:
> >
> > What is the name & value for the option to print in landscape format with cupsPrintFile()?
> >
> > Thanks in advance,
> > Charlie
>
> Look at the last two parameters to this function. They specify
> the number of options and the option structure.
> Look at the options related functions on how to accumulate
> your options into this structure.
>
I know about the option structure. I am looking for the name of the option and its value to print in landscape format. I was thinking these would be standard strings. Something like name = "orientation" and value = "landscape" or "portrait"?