clearok.3cur

<B>Digital的Unix操作系统VAX 4.2源码</B>

.TH clearok 3cur 
.SH Name
clearok \- enable screen clearing
.SH Syntax
.B
#include <cursesX.h>
.PP
.br
.B
int clearok(win, bf)
.br
.B
WINDOW \(**win;
.br
.B
bool bf;
.SH Description
.NXR "clearok subroutine"
If 
.PN bf
is 
.PN TRUE, 
the next call to 
.MS refresh 3cur
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
.PN stdscr
the entire screen is redrawn.
.SH Return Values
The
.PN clearok
function returns OK on success and ERR on error.
.SH See Also
refresh(3cur)