idcok — enable or disable use of hardware insert- and delete-character features
void idcok(WINDOW *win, bool bf);
function specifies whether the implementation may use hardware insert- and
delete-character features in win if the terminal is so equipped.
If bf is TRUE, use of these features in win is enabled.
If bf is FALSE, use of these features in win is disabled.
The initial state is TRUE.
function does not return a value.
No errors are defined.
First released in X/Open Curses, Issue 4.