pub unsafe extern "C" fn encode_keychange(
hashtype: *const oid,
hashtype_len: c_uint,
oldkey: *mut c_uchar,
oldkey_len: size_t,
newkey: *mut c_uchar,
newkey_len: size_t,
kcstring: *mut c_uchar,
kcstring_len: *mut size_t,
) -> c_int