Remove trailing whitespace.

11 files changed, 17 insertions, 17 deletions

diff --git a/share/doc/psd/20.ipctut/dgramread.c b/share/doc/psd/20.ipctut/dgramread.c
index cd0f147..193fca9 100644
--- a/share/doc/psd/20.ipctut/dgramread.c
+++ b/share/doc/psd/20.ipctut/dgramread.c
@@ -43,7 +43,7 @@
  *	u_short	sin_port;
  *	struct in_addr sin_addr;
  *	char	sin_zero[8];
- * }; 
+ * };
  *
  * This program creates a datagram socket, binds a name to it, then reads
  * from the socket.
diff --git a/share/doc/psd/20.ipctut/dgramsend.c b/share/doc/psd/20.ipctut/dgramsend.c
index 831fbf1..909f71d 100644
--- a/share/doc/psd/20.ipctut/dgramsend.c
+++ b/share/doc/psd/20.ipctut/dgramsend.c
@@ -42,7 +42,7 @@
 /*
  * Here I send a datagram to a receiver whose name I get from the command
  * line arguments.  The form of the command line is dgramsend hostname
- * portnumber 
+ * portnumber
  */
 
 main(argc, argv)
@@ -63,7 +63,7 @@ main(argc, argv)
 	 * Construct name, with no wildcards, of the socket to send to.
 	 * Getnostbyname() returns a structure including the network address
 	 * of the specified host.  The port number is taken from the command
-	 * line. 
+	 * line.
 	 */
 	hp = gethostbyname(argv[1]);
 	if (hp == 0) {
diff --git a/share/doc/psd/20.ipctut/pipe.c b/share/doc/psd/20.ipctut/pipe.c
index 3f482f3..86cb663 100644
--- a/share/doc/psd/20.ipctut/pipe.c
+++ b/share/doc/psd/20.ipctut/pipe.c
@@ -40,7 +40,7 @@
  * parent over the pipe. Notice that a pipe is a one-way communications
  * device.  I can write to the output socket (sockets[1], the second socket
  * of the array returned by pipe()) and read from the input socket
- * (sockets[0]), but not vice versa. 
+ * (sockets[0]), but not vice versa.
  */
 
 main()
diff --git a/share/doc/psd/20.ipctut/socketpair.c b/share/doc/psd/20.ipctut/socketpair.c
index afc5c90..f525c76 100644
--- a/share/doc/psd/20.ipctut/socketpair.c
+++ b/share/doc/psd/20.ipctut/socketpair.c
@@ -42,7 +42,7 @@
  * This program creates a pair of connected sockets then forks and
  * communicates over them.  This is very similar to communication with pipes,
  * however, socketpairs are two-way communications objects. Therefore I can
- * send messages in both directions. 
+ * send messages in both directions.
  */
 
 main()
diff --git a/share/doc/psd/20.ipctut/strchkread.c b/share/doc/psd/20.ipctut/strchkread.c
index dcab1fc..a1e148b 100644
--- a/share/doc/psd/20.ipctut/strchkread.c
+++ b/share/doc/psd/20.ipctut/strchkread.c
@@ -41,7 +41,7 @@
 
 /*
  * This program uses select() to check that someone is trying to connect
- * before calling accept(). 
+ * before calling accept().
  */
 
 main()
diff --git a/share/doc/psd/20.ipctut/streamread.c b/share/doc/psd/20.ipctut/streamread.c
index 139a269..ffad802 100644
--- a/share/doc/psd/20.ipctut/streamread.c
+++ b/share/doc/psd/20.ipctut/streamread.c
@@ -40,9 +40,9 @@
 
 /*
  * This program creates a socket and then begins an infinite loop. Each time
- * through the loop it accepts a connection and prints out messages from it. 
+ * through the loop it accepts a connection and prints out messages from it.
  * When the connection breaks, or a termination message comes through, the
- * program accepts a new connection. 
+ * program accepts a new connection.
  */
 
 main()
@@ -97,6 +97,6 @@ main()
 	/*
 	 * Since this program has an infinite loop, the socket "sock" is
 	 * never explicitly closed.  However, all sockets will be closed
-	 * automatically when a process is killed or terminates normally. 
+	 * automatically when a process is killed or terminates normally.
 	 */
 }
diff --git a/share/doc/psd/20.ipctut/streamwrite.c b/share/doc/psd/20.ipctut/streamwrite.c
index db4daaf..07a3528 100644
--- a/share/doc/psd/20.ipctut/streamwrite.c
+++ b/share/doc/psd/20.ipctut/streamwrite.c
@@ -43,7 +43,7 @@
  * This program creates a socket and initiates a connection with the socket
  * given in the command line.  One message is sent over the connection and
  * then the socket is closed, ending the connection. The form of the command
- * line is streamwrite hostname portnumber 
+ * line is streamwrite hostname portnumber
  */
 
 main(argc, argv)
diff --git a/share/doc/psd/20.ipctut/udgramread.c b/share/doc/psd/20.ipctut/udgramread.c
index 1b6aa3b..2cb605d 100644
--- a/share/doc/psd/20.ipctut/udgramread.c
+++ b/share/doc/psd/20.ipctut/udgramread.c
@@ -40,7 +40,7 @@
  * struct sockaddr_un {
  *	short	sun_family;
  *	char	sun_path[108];
- * }; 
+ * };
  */
 
 #include <stdio.h>
@@ -49,7 +49,7 @@
 
 /*
  * This program creates a UNIX domain datagram socket, binds a name to it,
- * then reads from the socket. 
+ * then reads from the socket.
  */
 main()
 {
diff --git a/share/doc/psd/20.ipctut/udgramsend.c b/share/doc/psd/20.ipctut/udgramsend.c
index 5e2b147..3e3ba93 100644
--- a/share/doc/psd/20.ipctut/udgramsend.c
+++ b/share/doc/psd/20.ipctut/udgramsend.c
@@ -40,7 +40,7 @@
 
 /*
  * Here I send a datagram to a receiver whose name I get from the command
- * line arguments.  The form of the command line is udgramsend pathname 
+ * line arguments.  The form of the command line is udgramsend pathname
  */
 
 main(argc, argv)
diff --git a/share/doc/psd/20.ipctut/ustreamread.c b/share/doc/psd/20.ipctut/ustreamread.c
index 9faf5aa..97fadb9 100644
--- a/share/doc/psd/20.ipctut/ustreamread.c
+++ b/share/doc/psd/20.ipctut/ustreamread.c
@@ -39,11 +39,11 @@
 #define NAME "socket"
 
 /*
- * This program creates a socket in the UNIX domain and binds a name to it. 
+ * This program creates a socket in the UNIX domain and binds a name to it.
  * After printing the socket's name it begins a loop. Each time through the
  * loop it accepts a connection and prints out messages from it.  When the
  * connection breaks, or a termination message comes through, the program
- * accepts a new connection. 
+ * accepts a new connection.
  */
 main()
 {
@@ -89,7 +89,7 @@ main()
 	 * system that one is through using NAME.  In most programs one uses
 	 * the call unlink() as below. Since the user will have to kill this
 	 * program, it will be necessary to remove the name by a command from
-	 * the shell. 
+	 * the shell.
 	 */
 	close(sock);
 	unlink(NAME);
diff --git a/share/doc/psd/20.ipctut/ustreamwrite.c b/share/doc/psd/20.ipctut/ustreamwrite.c
index e356e50..bdc0b95 100644
--- a/share/doc/psd/20.ipctut/ustreamwrite.c
+++ b/share/doc/psd/20.ipctut/ustreamwrite.c
@@ -41,7 +41,7 @@
 /*
  * This program connects to the socket named in the command line and sends a
  * one line message to that socket. The form of the command line is
- * ustreamwrite pathname 
+ * ustreamwrite pathname
  */
 main(argc, argv)
 	int argc;