Function deltachat::dc_get_chat_media

#[no_mangle]
pub unsafe extern "C" fn dc_get_chat_media(
    context: *mut dc_context_t,
    chat_id: u32,
    msg_type: c_int,
    or_msg_type2: c_int,
    or_msg_type3: c_int
) -> *mut dc_array_t