CURSES_CLEAR(3) NetBSD Library Functions Manual CURSES_CLEAR(3)
curses_clear, clear, wclear, clearok, clrtobot, clrtoeol, erase, werase, wclrtobot, wclrtoeol -- curses clear window routines
Curses Library (libcurses, -lcurses)
#include <curses.h> int clear(void); int clearok(WINDOW *win, bool flag); int clrtobot(void); int clrtoeol(void); int erase(void); int wclear(WINDOW *win); int werase(WINDOW *win); int wclrtobot(WINDOW *win); int wclrtoeol(WINDOW *win);
These functions clear all or part of stdscr or of the specified window. The clear() and erase() functions erase all characters on stdscr. wclear() and werase() perform the same function as clear() and erase(), respectively, excepting that the specified window is cleared. By setting flag to TRUE, the clearok() function is used to force the next call to wrefresh() to clear and completely redraw the window given in win. The function clrtobot() will clear stdscr from the current row to the bottom of the screen. clrtoeol() will clear stdscr from the current col- umn position to the end of the line. wclrtobot() and wclrtoeol() are the same as clrtobot() and clrtoeol(), respectively, excepting the window specified is operated on instead of stdscr.
Functions returning pointers will return NULL if an error is detected. The functions that return an int will return one of the following values: OK The function completed successfully. ERR An error occurred in the function.
The NetBSD Curses library complies with the X/Open Curses specification, part of the Single Unix Specification.
The Curses package appeared in 4.0BSD. NetBSD 5.0_RC4 August 12, 2002 NetBSD 5.0_RC4
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