The function
screens
returns as a list all the active screens for
library
.
A library name is a keyword naming a library, currently
:win32
on MS Windows,
:motif
on Motif/Lesstif and
:cocoa
on Mac OS X.
library
can be a library name, or a list of library names, or the keyword
:any
, meaning all the libraries. The default value of
library
is the result of default-library.