Function stainless_ffmpeg_sys::av_opt_serialize

pub unsafe extern "C" fn av_opt_serialize(
    obj: *mut c_void, 
    opt_flags: c_int, 
    flags: c_int, 
    buffer: *mut *mut c_char, 
    key_val_sep: c_char, 
    pairs_sep: c_char
) -> c_int