Function mpg123_sys::mpg123_decode

pub unsafe extern "C" fn mpg123_decode(
    mh: *mut mpg123_handle, 
    inmemory: *const c_uchar, 
    inmemsize: size_t, 
    outmemory: *mut c_uchar, 
    outmemsize: size_t, 
    done: *mut size_t
) -> c_int