The input is a form navigation request.
Navigation request codes are constants defined in \fB<form.h>\fP,
which are distinct from the key- and character codes returned by \fBwgetch\fP.
The input is a form navigation request.
Navigation request codes are constants defined in \fB<form.h>\fP,
which are distinct from the key- and character codes returned by \fBwgetch\fP.