From 7f478b3b2f182999133e8e2ac623a9b4571d988b Mon Sep 17 00:00:00 2001
From: Kirk McKusick <mckusick@ucbvax.Berkeley.EDU>
Date: Wed, 7 May 1986 00:08:59 -0800
Subject: [PATCH] tighten up code to reduce wasted paper

SCCS-vsn: share/doc/psd/20.ipctut/dgramread.c 6.2
SCCS-vsn: share/doc/psd/20.ipctut/ustreamread.c 6.2
SCCS-vsn: share/doc/psd/20.ipctut/ustreamwrite.c 6.2
---
 usr/src/share/doc/psd/20.ipctut/dgramread.c    |  7 ++-----
 usr/src/share/doc/psd/20.ipctut/ustreamread.c  | 12 ++++--------
 usr/src/share/doc/psd/20.ipctut/ustreamwrite.c |  3 +--
 3 files changed, 7 insertions(+), 15 deletions(-)

diff --git a/usr/src/share/doc/psd/20.ipctut/dgramread.c b/usr/src/share/doc/psd/20.ipctut/dgramread.c
index c822c3f8ef..5a1531b9e9 100644
--- a/usr/src/share/doc/psd/20.ipctut/dgramread.c
+++ b/usr/src/share/doc/psd/20.ipctut/dgramread.c
@@ -2,7 +2,7 @@
 .\" All rights reserved.  The Berkeley software License Agreement
 .\" specifies the terms and conditions for redistribution.
 .\"
-.\"	@(#)dgramread.c	6.1 (Berkeley) %G%
+.\"	@(#)dgramread.c	6.2 (Berkeley) %G%
 .\"
 #include <sys/types.h>
 #include <sys/socket.h>
@@ -17,13 +17,10 @@
  *	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.  
  */
-
 main()
 {
 	int             sock, length;
diff --git a/usr/src/share/doc/psd/20.ipctut/ustreamread.c b/usr/src/share/doc/psd/20.ipctut/ustreamread.c
index 2eced7a405..14223f9335 100644
--- a/usr/src/share/doc/psd/20.ipctut/ustreamread.c
+++ b/usr/src/share/doc/psd/20.ipctut/ustreamread.c
@@ -2,14 +2,13 @@
 .\" All rights reserved.  The Berkeley software License Agreement
 .\" specifies the terms and conditions for redistribution.
 .\"
-.\"	@(#)ustreamread.c	6.1 (Berkeley) %G%
+.\"	@(#)ustreamread.c	6.2 (Berkeley) %G%
 .\"
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <sys/un.h>
 #include <stdio.h>
 
-#define TRUE 1
 #define NAME "socket"
 
 /*
@@ -19,15 +18,13 @@
  * connection breaks, or a termination message comes through, the program
  * accepts a new connection. 
  */
-
 main()
 {
 	int             sock;
 	struct sockaddr_un server;
 	int             msgsock;
 	char            buf[1024];
-	int             rval;
-	int             i;
+	int             rval, i;
 
 	/* Create socket */
 	sock = socket(AF_UNIX, SOCK_STREAM, 0);
@@ -42,10 +39,9 @@ main()
 		perror("binding stream socket");
 	}
 	printf("Socket has name %s\en", server.sun_path);
-
 	/* Start accepting connections */
 	listen(sock, 5);
-	do {
+	for (;;) {
 		msgsock = accept(sock, 0, 0);
 		do {
 			for (i = 0; i < 1024; i++)
@@ -59,7 +55,7 @@ main()
 			};
 		} while (rval != 0);
 		close(msgsock);
-	} while (TRUE);
+	}
 	/*
 	 * The following statements are not executed, because they follow an
 	 * infinite loop.  However, most ordinary programs will not run
diff --git a/usr/src/share/doc/psd/20.ipctut/ustreamwrite.c b/usr/src/share/doc/psd/20.ipctut/ustreamwrite.c
index e8991d790d..992bdcdac0 100644
--- a/usr/src/share/doc/psd/20.ipctut/ustreamwrite.c
+++ b/usr/src/share/doc/psd/20.ipctut/ustreamwrite.c
@@ -2,7 +2,7 @@
 .\" All rights reserved.  The Berkeley software License Agreement
 .\" specifies the terms and conditions for redistribution.
 .\"
-.\"	@(#)ustreamwrite.c	6.1 (Berkeley) %G%
+.\"	@(#)ustreamwrite.c	6.2 (Berkeley) %G%
 .\"
 #include <sys/types.h>
 #include <sys/socket.h>
@@ -16,7 +16,6 @@
  * one line message to that socket. The form of the command line is
  * ustreamwrite pathname 
  */
-
 main(argc, argv)
 	int             argc;
 	char           *argv[];
-- 
2.20.1