-GLOBAL void Channel_SetTopic PARAMS(( CHANNEL *Chan, CLIENT *Client, char *Topic ));
-GLOBAL void Channel_SetModes PARAMS(( CHANNEL *Chan, char *Modes ));
-GLOBAL void Channel_SetKey PARAMS(( CHANNEL *Chan, char *Key ));
+GLOBAL void Channel_SetTopic PARAMS(( CHANNEL *Chan, CLIENT *Client, const char *Topic ));
+GLOBAL void Channel_SetModes PARAMS(( CHANNEL *Chan, const char *Modes ));
+GLOBAL void Channel_SetKey PARAMS(( CHANNEL *Chan, const char *Key ));