Function vips_sys::im_cooc_matrix

pub unsafe extern "C" fn im_cooc_matrix(
    im: *mut VipsImage, 
    m: *mut VipsImage, 
    xp: c_int, 
    yp: c_int, 
    xs: c_int, 
    ys: c_int, 
    dx: c_int, 
    dy: c_int, 
    flag: c_int
) -> c_int