Function libpng_sys::ffi::png_image_write_to_file

pub unsafe extern "C" fn png_image_write_to_file(
    image: *mut png_image, 
    file: *const c_char, 
    convert_to_8bit: c_int, 
    buffer: *const c_void, 
    row_stride: i32, 
    colormap: *const c_void
) -> c_int