* Return ID of a client with cloaked hostname: "client!user@server-name"
* This client ID is used for IRC prefixes, for example.
* Please note that this function uses a global static buffer, so you can't
* Return ID of a client with cloaked hostname: "client!user@server-name"
* This client ID is used for IRC prefixes, for example.
* Please note that this function uses a global static buffer, so you can't