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Function silc_channel_name_check SYNOPSIS
        unsigned char *
        silc_channel_name_check(const unsigned char *identifier,
                                SilcUInt32 identifier_len,
                                SilcStringEncoding identifier_encoding,
                                SilcUInt32 max_allowed_length,
                                SilcUInt32 *out_len);
DESCRIPTION
        Checks that the 'identifier' string is valid channel name string
        and does not contain any unassigned or prohibited character.

        If the 'max_allowed_length' is non-zero the identifier cannot be
        longer than that, and NULL is returned if it is.  If zero (0), no
        length limit exist.  For channel names the max length must be 256
        bytes.

        Returns the validated string, that the caller must free.  Returns
        NULL if the identifier string is not valid or contain unassigned or
        prohibited characters.  Such identifier strings must not be used
        SILC protocol.  The returned string is always in UTF-8 encoding.
        The length of the returned string is in 'out_len'.
NOTES
        In addition of validating the channel name string, this function
        may map characters to other characters or remove characters from the
        original string.  This is done as defined in the SILC protocol.  Error
        is returned only if the string contains unassigned or prohibited
        characters.  The original 'identifier' is not modified at any point.
SILC Application Utilities silc_create_key_pair silc_load_key_pair silc_show_public_key silc_show_public_key_file silc_change_private_key_passphrase silc_identifier_check silc_identifier_verify silc_channel_name_check silc_channel_name_verify silc_get_mode_list silc_get_status_message silc_get_packet_name silc_get_command_name silc_parse_version_string silc_version_to_num silc_client_chmode silc_client_chumode silc_client_chumode_char silc_id_render

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