pub unsafe extern "C" fn ccm_memory(
cipher: c_int,
key: *const c_uchar,
keylen: c_ulong,
uskey: *mut symmetric_key,
nonce: *const c_uchar,
noncelen: c_ulong,
header: *const c_uchar,
headerlen: c_ulong,
pt: *mut c_uchar,
ptlen: c_ulong,
ct: *mut c_uchar,
tag: *mut c_uchar,
taglen: *mut c_ulong,
direction: c_int,
) -> c_int