executes successfully and \fBERR\fR if not.
.SH COMPATIBILITY
Reasonable care has been taken to ensure compatibility
with the native panel facility introduced in System V (inspection of
the SVr4 manual pages suggests the programming interface is unchanged).
executes successfully and \fBERR\fR if not.
.SH COMPATIBILITY
Reasonable care has been taken to ensure compatibility
with the native panel facility introduced in System V (inspection of
the SVr4 manual pages suggests the programming interface is unchanged).