Function minimp3_ex_sys::mp3dec_load_cb

pub unsafe extern "C" fn mp3dec_load_cb(
    dec: *mut mp3dec_t, 
    io: *mut mp3dec_io_t, 
    buf: *mut u8, 
    buf_size: usize, 
    info: *mut mp3dec_file_info_t, 
    progress_cb: MP3D_PROGRESS_CB, 
    user_data: *mut c_void
) -> c_int