Function mpg123_sys::mpg123_position

pub unsafe extern "C" fn mpg123_position(
    mh: *mut mpg123_handle, 
    frame_offset: off_t, 
    buffered_bytes: off_t, 
    current_frame: *mut off_t, 
    frames_left: *mut off_t, 
    current_seconds: *mut c_double, 
    seconds_left: *mut c_double
) -> c_int