The \fBgetch\fR, \fBwgetch\fR, \fBmvgetch\fR and \fBmvwgetch\fR, routines read
a character from the window.
In no-delay mode, if no input is waiting, the value \fBERR\fR is returned.
The \fBgetch\fR, \fBwgetch\fR, \fBmvgetch\fR and \fBmvwgetch\fR, routines read
a character from the window.
In no-delay mode, if no input is waiting, the value \fBERR\fR is returned.