typedef struct { ... } SilcClientID;

    128 or 224 bit SilcClientID structure:

      n bit ServerID IP address [bits 1-32 or bits 1-128]
      8 bit random number
     88 bit hash value from lowercase nickname

    typedef struct SilcClientIDStruct {
      SilcIDIP ip;                                  /* n bit IP address */
      unsigned char rnd;                            /* 8 bit random number */
      unsigned char hash[CLIENTID_HASH_LEN];        /* 88 bit MD5 hash */
    } SilcClientID;