clear.3x (2010 09)

clear(3X) clear(3X)

(CURSES)

NAME

clear, erase, wclear, werase — clear a window

SYNOPSIS

#include <curses.h>

int clear(void);

int erase(void);

int wclear(WINDOW *win);

int werase(WINDOW *win);

DESCRIPTION

The clear(), erase(), wclear() and werase()

functions clear every position in the current or

speciﬁed window.

The

clear() and wclear() functions also achieve the same effect as calling

clearok(), so that the

window is cleared completely on the next call to

wrefresh() for the window and is redrawn in its

entirety.

RETURN VALUE

Upon successful completion, these functions return OK. Otherwise, they return ERR.

ERRORS

No errors are deﬁned.