.PP
The \fBnodelay\fR option causes \fBgetch\fR to be a non-blocking call.
If no input is ready, \fBgetch\fR returns \fBERR\fR.
If disabled
(\fIbf\fR is \fBFALSE\fR), \fBgetch\fR waits until a key is pressed.
.PP
The \fBnodelay\fR option causes \fBgetch\fR to be a non-blocking call.
If no input is ready, \fBgetch\fR returns \fBERR\fR.
If disabled
(\fIbf\fR is \fBFALSE\fR), \fBgetch\fR waits until a key is pressed.