Function libnotcurses_sys::ffi::ncplane_scrollup_child

pub unsafe extern "C" fn ncplane_scrollup_child(
    n: *mut ncplane, 
    child: *const ncplane
) -> c_int

Scroll |n| up until |child| is no longer hidden beneath it. Returns an error if |child| is not a child of |n|, or |n| is not scrolling, or |child| is fixed. Returns the number of scrolling events otherwise (might be 0).