Function libnotcurses_sys::ncplane_format

pub unsafe extern "C" fn ncplane_format(
    n: *mut ncplane, 
    ystop: c_int, 
    xstop: c_int, 
    stylemask: u32
) -> c_int

Set the given style throughout the specified region, keeping content and channels unchanged. Returns the number of cells set, or -1 on failure.