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|man pages section 3: Curses Library Functions Oracle Solaris 11 Information Library|
- clear all or part of a curses window
cc [ flag... ] file ... -lcurses [ library ... ] #include <curses.h> int erase(void);
int werase(WINDOW *win);
int wclear(WINDOW *win);
int wclrtobot(WINDOW *win);
int wclrtoeol(WINDOW *win);
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.
All routines return the integer OK, or a non-negative integer if immedok() is set. See curs_outopts(3CURSES).
See attributes(5) for descriptions of the following attributes:
The header <curses.h> automatically includes the headers <stdio.h> and <unctrl.h>.
Note that erase(), werase(), clear(), wclear(), clrtobot(), and clrtoeol() may be macros.