Function tomcrypt_sys::gcm_memory

pub unsafe extern "C" fn gcm_memory(
    cipher: c_int, 
    key: *const c_uchar, 
    keylen: c_ulong, 
    IV: *const c_uchar, 
    IVlen: c_ulong, 
    adata: *const c_uchar, 
    adatalen: 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