typedef void (*SilcGetChannelCallback)(SilcClient client,
                                           SilcClientConnection conn,
                                           SilcChannelEntry *channels,
                                           SilcUInt32 channels_count,
                                           void *context);

    Callback function given to the silc_client_get_channel_* functions.
    The found entries are allocated into the `channels' array. The array
    must not be freed by the receiver, the library will free it later.
    If the `channel' is NULL, no such channel exist in the SILC Network.