- off += key_SU_decode(&set, sk->buf + off);
- off += key_SU_decode(&use, sk->buf + off);
- off += key_SU_decode(&slen, sk->buf + off);
+ off += key_SU_decode(&set, (unsigned char *) sk->buf + off);
+ off += key_SU_decode(&use, (unsigned char *) sk->buf + off);
+ off += key_SU_decode(&slen, (unsigned char *) sk->buf + off);