normal, or very visible for \fBvisibility\fR equal to \fB0\fR,
\fB1\fR, or \fB2\fR respectively. If the terminal supports the
\fIvisibility\fR requested, the previous \fIcursor\fR state is
returned; otherwise, \fBERR\fR is returned.
normal, or very visible for \fBvisibility\fR equal to \fB0\fR,
\fB1\fR, or \fB2\fR respectively. If the terminal supports the
\fIvisibility\fR requested, the previous \fIcursor\fR state is
returned; otherwise, \fBERR\fR is returned.