typedef struct { ... } SilcServerID;

    64 or 160 bit SilcServerID structure:
  
     n bit IP address
    16 bit port
    16 bit random number

    typedef struct {
      SilcIDIP ip;                  /* n bit IP address */
      SilcUInt16 port;              /* 16 bit port */
      SilcUInt16 rnd;               /* 16 bit random number */
    } SilcServerID;