if the screen was successfully attached, and
will be returned if the
command line option was not specified on the
command line, the input value of
is out of range,
is not currently detached,
cannot be opened, has unexpected visuals, or has characteristics that do
not match the previously detached screen.
Attributes that are not specified will default to 0. This may lead to
Unlike other functions in the
API, this function uses
for both input and output.