typedef enum { ... } SilcStreamStatus;

    Socket Stream status.  This status is returned into the
    SilcSocketStreamCallback function after the socket stream is
    created.

    typedef enum {
      SILC_SOCKET_OK,               /* Normal status */
      SILC_SOCKET_UNKNOWN_IP,       /* Remote does not have IP address */
      SILC_SOCKET_UNKNOWN_HOST,     /* Remote does not have host name */
      SILC_SOCKET_NO_MEMORY,        /* System out of memory */
      SILC_SOCKET_ERROR,            /* Unknown error */
    } SilcSocketStreamStatus;