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NetBSD 6.1.5 - man page for bkgd (netbsd section 3)

CURSES_BACKGROUND(3)		   BSD Library Functions Manual 	     CURSES_BACKGROUND(3)

NAME
     curses_background, bkgd, bkgdset, getbkgd, wbkgd, wbkgdset -- curses attribute manipulation
     routines

LIBRARY
     Curses Library (libcurses, -lcurses)

SYNOPSIS
     #include <curses.h>

     int
     bkgd(chtype);

     int
     bkgdset(chtype);

     chtype
     getbkgd(WINDOW *);

     int
     wbkgd(chtype);

     int
     wbkgdset(chtype);

DESCRIPTION
     These functions manipulate the background attributes on stdscr or on the specified window.

     The function wbkgdset(win, ch) sets the background attributes of the specified window win to
     ch.

     When the background attributes are set on a window, characters are added to the window with
     the logical OR of the background attributes and the character's attributes.  If both the
     background attribute and the character attribute contain color, the color of the character
     attribute is rendered.  If the background attribute contains a non-space character, then
     this character is added where the foreground character is a space character.

     Note that subwindows created from win inherit the background attributes of win.

     The function wbkgd(win, ch) sets the background attributes of the specified window win to ch
     and also sets the rendition of every character position on that window, as if the characters
     had been newly added to win.  The rendition of characters on subwindows of win is also set
     to ch.

     The functions bkgdset(ch) and bkgd(ch) are equivalent to wbkgdset(stdscr, ch) and
     wbkgd(stdscr, ch), respectively.

     The function getbkgd(win) returns the background attributes for the window win.

RETURN VALUES
     The functions wbkgdset() and wbkgd() return OK on success and ERR on failure.

SEE ALSO
     curses_attributes(3), curses_color(3), curses_window(3)

STANDARDS
     The NetBSD Curses library complies with the X/Open Curses specification, part of the Single
     Unix Specification.

HISTORY
     These functions first appeared in NetBSD 1.6.

BSD					 January 15, 2006				      BSD


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