curs_clear(3X)                 DG/UX 5.4R3.00                 curs_clear(3X)


NAME
       cursclear:  erase, werase, clear, wclear, clrtobot, wclrtobot,
       clrtoeol, wclrtoeol - clear all or part of a curses window

SYNOPSIS
       # include <curses.h>

       int erase(void);
       int werase(WINDOW *win);
       int clear(void);
       int wclear(WINDOW *win);
       int clrtobot(void);
       int wclrtobot(WINDOW *win);
       int clrtoeol(void);
       int wclrtoeol(WINDOW *win);

DESCRIPTION
       The erase and werase routines copy blanks to every position in the
       window.

       The clear and wclear routines are like erase and werase, but they
       also call clearok, so that the screen is cleared completely on the
       next call to wrefresh for that window and repainted from scratch.

       The clrtobot and wclrtobot routines erase all lines below the cursor
       in the window.  Also, the current line to the right of the cursor,
       inclusive, is erased.

       The clrtoeol and wclrtoeol routines erase the current line to the
       right of the cursor, inclusive.

RETURN VALUE
       All routines return the integer OK, or a non-negative integer if
       immedok is set.

NOTES
       The header file <curses.h> automatically includes the header files
       <stdio.h> and <unctrl.h>.

       Note that erase, werase, clear, wclear, clrtobot, and clrtoeol may be
       macros.

SEE ALSO
       curses(3X), cursoutopts(3X), cursrefresh(3X).













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