Symbol: wgetbkgrnd
lib/libcurses/curses.h
1886
#define wgetbkgrnd(win,wch) (NCURSES_OK_ADDR(wch) ? ((win) ? (*(wch) = (win)->_bkgrnd) : *(wch), OK) : ERR)
lib/libcurses/curses.priv.h
375
#define wgetbkgrnd(win, wch) ((*wch = win->_bkgd) != 0 ? OK : ERR)