#!/bin/sh
# This is a shar archive.
# The rest of this file is a shell script which will extract:
#
# 2_10a.c 2_10a1.c 2_10a2.c 2_10a3.c 2_10a4.c 2_10a5.c 2_10b.c 2_10c1.c 2_10c2.c 2_10tst.c makefile
#
# To extract the files from this shell archive file simply
# create a directory for this file, move the archive file
# to it and enter the command
#
#	sh filename
# 
# The files will be extracted automatically.
# Note: Do not use csh.
#
# Archive created: Mon Jul 30 22:57:35 EDT 1990
#
echo x - 2_10a.c
sed 's/^X//' > 2_10a.c << '!EOF!'
/* Copyright (c) 1990 by AT&T Bell Telephone Laboratories, Incorporated. */
/* The C++ Answer Book */
/* Tony Hansen */
/* All rights reserved. */
const one = 1;
int *p1 = &one;
#include <memory.h>
void chconst()
{
    one = 2;
    *p1 = 2;
    int *p2 = (int *) &one;
    int memint = 2;
    memcpy((void*)&one, &memint, sizeof (int));
}
!EOF!
ls -l 2_10a.c
echo x - 2_10a1.c
sed 's/^X//' > 2_10a1.c << '!EOF!'
/* Copyright (c) 1990 by AT&T Bell Telephone Laboratories, Incorporated. */
/* The C++ Answer Book */
/* Tony Hansen */
/* All rights reserved. */
// changing the value of a constant
// version 1
const one = 1;
void chconst()
{
    one = 2;
}
!EOF!
ls -l 2_10a1.c
echo x - 2_10a2.c
sed 's/^X//' > 2_10a2.c << '!EOF!'
/* Copyright (c) 1990 by AT&T Bell Telephone Laboratories, Incorporated. */
/* The C++ Answer Book */
/* Tony Hansen */
/* All rights reserved. */
// changing the value of a constant
// version 2
const one = 1;
void chconst()
{
    int *p = &one;
    *p = 2;
}
!EOF!
ls -l 2_10a2.c
echo x - 2_10a3.c
sed 's/^X//' > 2_10a3.c << '!EOF!'
/* Copyright (c) 1990 by AT&T Bell Telephone Laboratories, Incorporated. */
/* The C++ Answer Book */
/* Tony Hansen */
/* All rights reserved. */
// changing the value of a constant
// version 3
const one = 1;
void chconst()
{
    int *p = (int *) &one;
    *p = 2;
}
!EOF!
ls -l 2_10a3.c
echo x - 2_10a4.c
sed 's/^X//' > 2_10a4.c << '!EOF!'
/* Copyright (c) 1990 by AT&T Bell Telephone Laboratories, Incorporated. */
/* The C++ Answer Book */
/* Tony Hansen */
/* All rights reserved. */
// changing the value of a constant
// version 4
const one = 1;
#include <string.h>
void chconst()
{
    int memint = 2;
    memcpy((void*)&one, &memint, sizeof(int));
}
!EOF!
ls -l 2_10a4.c
echo x - 2_10a5.c
sed 's/^X//' > 2_10a5.c << '!EOF!'
/* Copyright (c) 1990 by AT&T Bell Telephone Laboratories, Incorporated. */
/* The C++ Answer Book */
/* Tony Hansen */
/* All rights reserved. */
// changing the value of a constant
// version 5
const one = 1;
#include <string.h>
void chconst()
{
    int memint = 2;
    memcpy((char*)&one, (char*)&memint, sizeof(int));
}
!EOF!
ls -l 2_10a5.c
echo x - 2_10b.c
sed 's/^X//' > 2_10b.c << '!EOF!'
/* Copyright (c) 1990 by AT&T Bell Telephone Laboratories, Incorporated. */
/* The C++ Answer Book */
/* Tony Hansen */
/* All rights reserved. */
const num[] = { 1, 2 };
void chconst()
{
    num[1] = 2;
}
!EOF!
ls -l 2_10b.c
echo x - 2_10c1.c
sed 's/^X//' > 2_10c1.c << '!EOF!'
/* Copyright (c) 1990 by AT&T Bell Telephone Laboratories, Incorporated. */
/* The C++ Answer Book */
/* Tony Hansen */
/* All rights reserved. */
const one = 1;
!EOF!
ls -l 2_10c1.c
echo x - 2_10c2.c
sed 's/^X//' > 2_10c2.c << '!EOF!'
/* Copyright (c) 1990 by AT&T Bell Telephone Laboratories, Incorporated. */
/* The C++ Answer Book */
/* Tony Hansen */
/* All rights reserved. */
const num[] = { 1, 2 };
!EOF!
ls -l 2_10c2.c
echo x - 2_10tst.c
sed 's/^X//' > 2_10tst.c << '!EOF!'
/* Copyright (c) 1990 by AT&T Bell Telephone Laboratories, Incorporated. */
/* The C++ Answer Book */
/* Tony Hansen */
/* All rights reserved. */
extern void chconst();

main()
{
    chconst();
}
!EOF!
ls -l 2_10tst.c
echo x - makefile
sed 's/^X//' > makefile << '!EOF!'
CC= CC -I. -I../../CC
all: 2_10a 2_10a1 2_10a2 2_10a3 2_10a4 2_10a5 2_10b

2_tst.o: 2_10tst.c
	$(CC) -c 2_10tst.c

2_10a: 2_10a.c 2_10tst.o
	$(CC) 2_10a.c 2_10tst.o -o 2_10a

2_10a1: 2_10a1.c 2_10tst.o
	$(CC) 2_10a1.c 2_10tst.o -o 2_10a1

2_10a2: 2_10a2.c 2_10tst.o
	$(CC) 2_10a2.c 2_10tst.o -o 2_10a2

2_10a3: 2_10a3.c 2_10tst.o
	$(CC) 2_10a3.c 2_10tst.o -o 2_10a3

2_10a4: 2_10a4.c 2_10tst.o
	$(CC) 2_10a4.c 2_10tst.o -o 2_10a4

2_10a5: 2_10a5.c 2_10tst.o
	$(CC) 2_10a5.c 2_10tst.o -o 2_10a5

2_10b: 2_10b.c 2_10tst.o
	$(CC) 2_10b.c 2_10tst.o -o 2_10b

test: all
	echo tests done
!EOF!
ls -l makefile
# The following exit is to ensure that extra garbage 
# after the end of the shar file will be ignored.
exit 0