diff --git a/channels.c b/channels.c
index 239da8e..1ff7152 100644
--- a/channels.c
+++ b/channels.c
@@ -192,7 +192,6 @@
  * Register filedescriptors for a channel, used when allocating a channel or
  * when the channel consumer/producer is ready, e.g. shell exec'd
  */
-
 static void
 channel_register_fds(Channel *c, int rfd, int wfd, int efd,
     int extusage, int nonblock)
@@ -239,7 +238,6 @@
  * Allocate a new channel object and set its type and socket. This will cause
  * remote_name to be freed.
  */
-
 Channel *
 channel_new(char *ctype, int type, int rfd, int wfd, int efd,
     u_int window, u_int maxpack, int extusage, char *remote_name, int nonblock)
@@ -341,7 +339,6 @@
 }
 
 /* Close all channel fd/socket. */
-
 static void
 channel_close_fds(Channel *c)
 {
@@ -356,7 +353,6 @@
 }
 
 /* Free the channel and close its fd/socket. */
-
 void
 channel_free(Channel *c)
 {
@@ -403,7 +399,6 @@
  * Closes the sockets/fds of all channels.  This is used to close extra file
  * descriptors after a fork.
  */
-
 void
 channel_close_all(void)
 {
@@ -417,7 +412,6 @@
 /*
  * Stop listening to channels.
  */
-
 void
 channel_stop_listening(void)
 {
@@ -444,7 +438,6 @@
  * Returns true if no channel has too much buffered data, and false if one or
  * more channel is overfull.
  */
-
 int
 channel_not_very_much_buffered_data(void)
 {
@@ -474,7 +467,6 @@
 }
 
 /* Returns true if any channel is still open. */
-
 int
 channel_still_open(void)
 {
@@ -517,7 +509,6 @@
 }
 
 /* Returns the id of an open channel suitable for keepaliving */
-
 int
 channel_find_open(void)
 {
@@ -562,7 +553,6 @@
  * suitable for sending to the client.  The message contains crlf pairs for
  * newlines.
  */
-
 char *
 channel_open_message(void)
 {
@@ -647,6 +637,7 @@
 	packet_put_cstring(service);
 	packet_put_char(wantconfirm);
 }
+
 void
 channel_register_confirm(int id, channel_callback_fn *fn, void *ctx)
 {
@@ -659,6 +650,7 @@
 	c->confirm = fn;
 	c->confirm_ctx = ctx;
 }
+
 void
 channel_register_cleanup(int id, channel_callback_fn *fn, int do_close)
 {
@@ -671,6 +663,7 @@
 	c->detach_user = fn;
 	c->detach_close = do_close;
 }
+
 void
 channel_cancel_cleanup(int id)
 {
@@ -683,6 +676,7 @@
 	c->detach_user = NULL;
 	c->detach_close = 0;
 }
+
 void
 channel_register_filter(int id, channel_infilter_fn *ifn,
     channel_outfilter_fn *ofn)
@@ -1455,6 +1449,7 @@
 	}
 	return 1;
 }
+
 static int
 channel_handle_wfd(Channel *c, fd_set *readset, fd_set *writeset)
 {
@@ -1542,6 +1537,7 @@
 	}
 	return 1;
 }
+
 static int
 channel_handle_efd(Channel *c, fd_set *readset, fd_set *writeset)
 {
@@ -1585,6 +1581,7 @@
 	}
 	return 1;
 }
+
 static int
 channel_handle_ctl(Channel *c, fd_set *readset, fd_set *writeset)
 {
@@ -1612,6 +1609,7 @@
 	}
 	return 1;
 }
+
 static int
 channel_check_window(Channel *c)
 {
@@ -1823,7 +1821,6 @@
 
 
 /* If there is data to send to the connection, enqueue some of it now. */
-
 void
 channel_output_poll(void)
 {
@@ -1943,7 +1940,6 @@
 
 
 /* -- protocol input */
-
 void
 channel_input_data(int type, u_int32_t seq, void *ctxt)
 {
@@ -2557,7 +2553,6 @@
  * listening for the port, and sends back a success reply (or disconnect
  * message if there was an error).  This never returns if there was an error.
  */
-
 void
 channel_input_port_forward_request(int is_root, int gateway_ports)
 {
@@ -2628,7 +2623,6 @@
 
 }
 
-
 /* return socket to remote host, port */
 static int
 connect_to(const char *host, u_short port)