-Channel::banlist_exception_add(ban, nick, time)
- Add a new ban exception to channel.
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-Channel::banlist_exception_remove(ban)
- Remove a ban exception from channel.
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-Channel::invitelist_add(mask)
- Add a new invite mask to channel.
-
-Channel::invitelist_remove(mask)
- Remove invite mask from channel.
-
-modes_join(old, mode, channel)
- Add `mode' to `old' - return newly allocated mode. If `channel' is 1,
- we're parsing channel mode and we should try to join mode arguments too.
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