ultrix man page for clearok

clearok(3cur)															     clearok(3cur)

Name
       clearok - enable screen clearing

Syntax
       #include <cursesX.h>

       int clearok(win, bf)
       WINDOW *win;
       bool bf;

Description
       If is the next call to for the specified window will clear the window completely and redraw the entire window without changing the original
       screen's contents.  This is useful when the contents of the screen are uncertain.  If the window is the entire screen is redrawn.

Return Values
       The function returns OK on success and ERR on error.

See Also
       refresh(3cur)

																     clearok(3cur)