typedef enum { ... } SilcAttributeDevice;

    The defined device types defined by the specification.

    typedef enum {
      SILC_ATTRIBUTE_DEVICE_COMPUTER      = 0,        /* device is computer */
      SILC_ATTRIBUTE_DEVICE_MOBILE_PHONE  = 1,        /* device is mobile phone */
      SILC_ATTRIBUTE_DEVICE_PDA           = 2,        /* device is PDA */
      SILC_ATTRIBUTE_DEVICE_TERMINAL      = 3,        /* device is terminal */
    } SilcAttributeDevice;