\fBwmove\fP, and return an error if the position is outside the window,
or if the window pointer is null.
.SH PORTABILITY
The XSI Curses defines no error conditions.
This implementation checks for null pointers,
\fBwmove\fP, and return an error if the position is outside the window,
or if the window pointer is null.
.SH PORTABILITY
The XSI Curses defines no error conditions.
This implementation checks for null pointers,