+GLOBAL CLIENT *Client_GetFromNick( CHAR *Nick )
+{
+ /* Client-Struktur, die den entsprechenden Nick hat,
+ * liefern. Wird keine gefunden, so wird NULL geliefert. */
+
+ CLIENT *c;
+
+ assert( Nick != NULL );
+
+ c = My_Clients;
+ while( c )
+ {
+ if( strcasecmp( c->nick, Nick ) == 0 ) return c;
+ c = c->next;
+ }
+ return NULL;
+} /* Client_GetFromNick */
+
+
+GLOBAL CHAR *Client_Nick( CLIENT *Client )
+{
+ assert( Client != NULL );
+
+ if( Client->nick[0] ) return Client->nick;
+ else return "*";
+} /* Client_Name */
+
+
+GLOBAL BOOLEAN Client_CheckNick( CLIENT *Client, CHAR *Nick )
+{
+ /* Nick ueberpruefen */
+
+ CLIENT *c;
+
+ assert( Client != NULL );
+ assert( Nick != NULL );
+
+ /* Nick zu lang? */
+ if( strlen( Nick ) > CLIENT_NICK_LEN ) return IRC_WriteStrClient( Client, This_Server, ERR_ERRONEUSNICKNAME_MSG, Client_Nick( Client ), Nick );
+
+ /* Nick bereits vergeben? */
+ c = My_Clients;
+ while( c )
+ {
+ if( strcasecmp( c->nick, Nick ) == 0 )
+ {
+ /* den Nick gibt es bereits */
+ IRC_WriteStrClient( Client, This_Server, ERR_NICKNAMEINUSE_MSG, Client_Nick( Client ), Nick );
+ return FALSE;
+ }
+ c = c->next;
+ }
+
+ return TRUE;
+} /* Client_CheckNick */
+
+
+GLOBAL CHAR *Client_GetID( CLIENT *Client )
+{
+ /* Client-"ID" liefern, wie sie z.B. fuer
+ * Prefixe benoetigt wird. */
+
+ assert( Client != NULL );
+
+ if( Client->type == CLIENT_SERVER ) return Client->nick;
+
+ sprintf( GetID_Buffer, "%s!%s@%s", Client->nick, Client->user, Client->host );
+ return GetID_Buffer;
+} /* Client_GetID */
+
+
+GLOBAL CLIENT *Client_Search( CHAR *ID )
+{
+ /* Client suchen, auf den ID passt */
+
+ CLIENT *c;
+
+ assert( ID != NULL );
+
+ c = My_Clients;
+ while( c )
+ {
+ if( strcasecmp( c->nick, ID ) == 0 ) return c;
+ c = c->next;
+ }
+
+ return NULL;
+} /* Client_Search */
+
+
+GLOBAL CLIENT *Client_First( VOID )
+{
+ /* Ersten Client liefern. */
+
+ return My_Clients;
+} /* Client_First */
+
+
+GLOBAL CLIENT *Client_Next( CLIENT *c )
+{
+ /* Naechsten Client liefern. Existiert keiner,
+ * so wird NULL geliefert. */
+
+ assert( c != NULL );
+ return c->next;
+} /* Client_Next */
+
+