mvwinch
#define mvinch(y, x) mvwinch(stdscr, y, x)
c = mvwinch(stdscr, y, x) & 0x7f;
#define mvinch(y,x) mvwinch(stdscr,(y),(x))
extern NCURSES_EXPORT(chtype) mvwinch (WINDOW *, int, int); /* generated */