typedef struct { ... } SilcChannelID;

    64 or 160 bit SilcChannel ID structure:

     n bit Router's ServerID IP address [bits 1-32 or bits 1-128]
    16 bit Router's ServerID port [bits 33-48 or bits 129-144]
    16 bit random number

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