-void *new_sock_channel(Socket s); // allocates and register a new channel for port forwarding
-void ssh_send_port_open(void *channel, char *hostname, int port, char *org);
+
+/* Allocate and register a new channel for port forwarding */
+void *new_sock_channel(void *handle, Socket s);
+void ssh_send_port_open(void *handle, void *channel,
+ char *hostname, int port, char *org);