#!/bin/sh
# This is a shar archive.
# The rest of this file is a shell script which will extract:
#
# 2_5a_a.c 2_5a_a.cmp 2_5a_a1.c 2_5a_a2.c 2_5a_b.c 2_5a_b.cmp 2_5b.c 2_5b.cmp 2_5b_a.c 2_5b_a.cmp 2_5b_b.c 2_5b_b.cmp 2_5b_c.c 2_5b_c.cmp 2_5c.c 2_5c.cmp 2_5c_a.c 2_5c_a.cmp 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 22:56:53 EDT 1990
#
echo x - 2_5a_a.c
sed 's/^X//' > 2_5a_a.c << '!EOF!'
/* Copyright (c) 1990 by AT&T Bell Telephone Laboratories, Incorporated. */
/* The C++ Answer Book */
/* Tony Hansen */
/* All rights reserved. */
// "obvious" solution to print letters and digits
// version 1
#include <stream.h>
int main(int, char**)
{
#include "2_5a_a1.c"	/* EXPAND */
    for (ch = '0'; ch <= '9'; ch++)
        cout << chr(ch) << " " << ch << "\n";
    return 0;
}
!EOF!
ls -l 2_5a_a.c
echo x - 2_5a_a.cmp
sed 's/^X//' > 2_5a_a.cmp << '!EOF!'
a 97
b 98
c 99
d 100
e 101
f 102
g 103
h 104
i 105
j 106
k 107
l 108
m 109
n 110
o 111
p 112
q 113
r 114
s 115
t 116
u 117
v 118
w 119
x 120
y 121
z 122
0 48
1 49
2 50
3 51
4 52
5 53
6 54
7 55
8 56
9 57
!EOF!
ls -l 2_5a_a.cmp
echo x - 2_5a_a1.c
sed 's/^X//' > 2_5a_a1.c << '!EOF!'
/* Copyright (c) 1990 by AT&T Bell Telephone Laboratories, Incorporated. */
/* The C++ Answer Book */
/* Tony Hansen */
/* All rights reserved. */
    for (int ch = 'a'; ch <= 'z'; ch++)
        cout << chr(ch) << " " << ch << "\n";
!EOF!
ls -l 2_5a_a1.c
echo x - 2_5a_a2.c
sed 's/^X//' > 2_5a_a2.c << '!EOF!'
/* Copyright (c) 1990 by AT&T Bell Telephone Laboratories, Incorporated. */
/* The C++ Answer Book */
/* Tony Hansen */
/* All rights reserved. */
#include <stream.h>
#include <ctype.h>
void pr(int i)
{
    cout << chr(i) << " " << i << "\n";
}
!EOF!
ls -l 2_5a_a2.c
echo x - 2_5a_b.c
sed 's/^X//' > 2_5a_b.c << '!EOF!'
/* Copyright (c) 1990 by AT&T Bell Telephone Laboratories, Incorporated. */
/* The C++ Answer Book */
/* Tony Hansen */
/* All rights reserved. */
// print letters and digits
// version 2
// check each letter before printing
#include <stream.h>
#include <ctype.h>
void pr(int i)
{
    cout << chr(i) << " " << i << "\n";
}

int main(int, char**)
{
    for (int i = 'a'; i <= 'z'; i++)
	if (isalpha(i))
	    pr(i);

    for (i = '0'; i <= '9'; i++)
	pr(i);
    return 0;
}
!EOF!
ls -l 2_5a_b.c
echo x - 2_5a_b.cmp
sed 's/^X//' > 2_5a_b.cmp << '!EOF!'
a 97
b 98
c 99
d 100
e 101
f 102
g 103
h 104
i 105
j 106
k 107
l 108
m 109
n 110
o 111
p 112
q 113
r 114
s 115
t 116
u 117
v 118
w 119
x 120
y 121
z 122
0 48
1 49
2 50
3 51
4 52
5 53
6 54
7 55
8 56
9 57
!EOF!
ls -l 2_5a_b.cmp
echo x - 2_5b.c
sed 's/^X//' > 2_5b.c << '!EOF!'
/* Copyright (c) 1990 by AT&T Bell Telephone Laboratories, Incorporated. */
/* The C++ Answer Book */
/* Tony Hansen */
/* All rights reserved. */
#include <stream.h>
#include <ctype.h>
#include <limits.h>

#ifdef TESTC
#include "2_5c.c"
#else
void pr(int i)
{
    cout << chr(i) << " " << i << "\n";
}
#endif

int main(int, char**)
{
    for (unsigned char i = 0; i < CHAR_MAX; i++)
	if (isascii(i) && isprint(i))
	    pr(i);
    return 0;
}
!EOF!
ls -l 2_5b.c
echo x - 2_5b.cmp
sed 's/^X//' > 2_5b.cmp << '!EOF!'
  32
! 33
" 34
# 35
$ 36
% 37
& 38
' 39
( 40
) 41
* 42
+ 43
, 44
- 45
X. 46
/ 47
0 48
1 49
2 50
3 51
4 52
5 53
6 54
7 55
8 56
9 57
: 58
; 59
< 60
= 61
> 62
? 63
@ 64
A 65
B 66
C 67
D 68
E 69
F 70
G 71
H 72
I 73
J 74
K 75
L 76
M 77
N 78
O 79
P 80
Q 81
R 82
S 83
T 84
U 85
V 86
W 87
XX 88
Y 89
Z 90
[ 91
\ 92
] 93
^ 94
_ 95
` 96
a 97
b 98
c 99
d 100
e 101
f 102
g 103
h 104
i 105
j 106
k 107
l 108
m 109
n 110
o 111
p 112
q 113
r 114
s 115
t 116
u 117
v 118
w 119
x 120
y 121
z 122
{ 123
| 124
} 125
X~ 126
!EOF!
ls -l 2_5b.cmp
echo x - 2_5b_a.c
sed 's/^X//' > 2_5b_a.c << '!EOF!'
/* Copyright (c) 1990 by AT&T Bell Telephone Laboratories, Incorporated. */
/* The C++ Answer Book */
/* Tony Hansen */
/* All rights reserved. */
// print all printable characters
// version 1
#include <stream.h>
void pr(int i)	// same pr() as before
{
    cout << chr(i) << " " << i << "\n";
}

int main(int, char**)
{
    for (int i = 040; i <= 0176; i++)
	pr(i);
    return 0;
}
!EOF!
ls -l 2_5b_a.c
echo x - 2_5b_a.cmp
sed 's/^X//' > 2_5b_a.cmp << '!EOF!'
  32
! 33
" 34
# 35
$ 36
% 37
& 38
' 39
( 40
) 41
* 42
+ 43
, 44
- 45
X. 46
/ 47
0 48
1 49
2 50
3 51
4 52
5 53
6 54
7 55
8 56
9 57
: 58
; 59
< 60
= 61
> 62
? 63
@ 64
A 65
B 66
C 67
D 68
E 69
F 70
G 71
H 72
I 73
J 74
K 75
L 76
M 77
N 78
O 79
P 80
Q 81
R 82
S 83
T 84
U 85
V 86
W 87
XX 88
Y 89
Z 90
[ 91
\ 92
] 93
^ 94
_ 95
` 96
a 97
b 98
c 99
d 100
e 101
f 102
g 103
h 104
i 105
j 106
k 107
l 108
m 109
n 110
o 111
p 112
q 113
r 114
s 115
t 116
u 117
v 118
w 119
x 120
y 121
z 122
{ 123
| 124
} 125
X~ 126
!EOF!
ls -l 2_5b_a.cmp
echo x - 2_5b_b.c
sed 's/^X//' > 2_5b_b.c << '!EOF!'
/* Copyright (c) 1990 by AT&T Bell Telephone Laboratories, Incorporated. */
/* The C++ Answer Book */
/* Tony Hansen */
/* All rights reserved. */
// print all printable characters portably
// version 2
#include <limits.h>
#include <stream.h>
#include <ctype.h>

void pr(int i)	// same pr() as before
{
    cout << chr(i) << " " << i << "\n";
}

int main(int, char**)
{
    for (int i = 0; i <= CHAR_MAX; i++)
	if (isprint(i))
	    pr(i);
    return 0;
}
!EOF!
ls -l 2_5b_b.c
echo x - 2_5b_b.cmp
sed 's/^X//' > 2_5b_b.cmp << '!EOF!'
  32
! 33
" 34
# 35
$ 36
% 37
& 38
' 39
( 40
) 41
* 42
+ 43
, 44
- 45
X. 46
/ 47
0 48
1 49
2 50
3 51
4 52
5 53
6 54
7 55
8 56
9 57
: 58
; 59
< 60
= 61
> 62
? 63
@ 64
A 65
B 66
C 67
D 68
E 69
F 70
G 71
H 72
I 73
J 74
K 75
L 76
M 77
N 78
O 79
P 80
Q 81
R 82
S 83
T 84
U 85
V 86
W 87
XX 88
Y 89
Z 90
[ 91
\ 92
] 93
^ 94
_ 95
` 96
a 97
b 98
c 99
d 100
e 101
f 102
g 103
h 104
i 105
j 106
k 107
l 108
m 109
n 110
o 111
p 112
q 113
r 114
s 115
t 116
u 117
v 118
w 119
x 120
y 121
z 122
{ 123
| 124
} 125
X~ 126
!EOF!
ls -l 2_5b_b.cmp
echo x - 2_5b_c.c
sed 's/^X//' > 2_5b_c.c << '!EOF!'
/* Copyright (c) 1990 by AT&T Bell Telephone Laboratories, Incorporated. */
/* The C++ Answer Book */
/* Tony Hansen */
/* All rights reserved. */
#include <stream.h>
#include <ctype.h>
#include <values.h>

void pr(int i)
{
    cout << chr(i) << " " << i << "\n";
}

const HIBITC =	((unsigned char)(1 << BITS(unsigned char) - 1));
const MAXCHAR =	((unsigned char) ~HIBITC);

int main(int, char**)
{
    for (int i = 0; i < MAXCHAR; i++)
	if (isascii(i) && isprint(i))
	    pr(i);
    return 0;
}
!EOF!
ls -l 2_5b_c.c
echo x - 2_5b_c.cmp
sed 's/^X//' > 2_5b_c.cmp << '!EOF!'
  32
! 33
" 34
# 35
$ 36
% 37
& 38
' 39
( 40
) 41
* 42
+ 43
, 44
- 45
X. 46
/ 47
0 48
1 49
2 50
3 51
4 52
5 53
6 54
7 55
8 56
9 57
: 58
; 59
< 60
= 61
> 62
? 63
@ 64
A 65
B 66
C 67
D 68
E 69
F 70
G 71
H 72
I 73
J 74
K 75
L 76
M 77
N 78
O 79
P 80
Q 81
R 82
S 83
T 84
U 85
V 86
W 87
XX 88
Y 89
Z 90
[ 91
\ 92
] 93
^ 94
_ 95
` 96
a 97
b 98
c 99
d 100
e 101
f 102
g 103
h 104
i 105
j 106
k 107
l 108
m 109
n 110
o 111
p 112
q 113
r 114
s 115
t 116
u 117
v 118
w 119
x 120
y 121
z 122
{ 123
| 124
} 125
X~ 126
!EOF!
ls -l 2_5b_c.cmp
echo x - 2_5c.c
sed 's/^X//' > 2_5c.c << '!EOF!'
/* Copyright (c) 1990 by AT&T Bell Telephone Laboratories, Incorporated. */
/* The C++ Answer Book */
/* Tony Hansen */
/* All rights reserved. */
// print a number as a char and its hex value
void pr(int i)
{
    cout << chr(i) << " " << hex(i) << "\n";
}
!EOF!
ls -l 2_5c.c
echo x - 2_5c.cmp
sed 's/^X//' > 2_5c.cmp << '!EOF!'
  20
! 21
" 22
# 23
$ 24
% 25
& 26
' 27
( 28
) 29
* 2a
+ 2b
, 2c
- 2d
X. 2e
/ 2f
0 30
1 31
2 32
3 33
4 34
5 35
6 36
7 37
8 38
9 39
: 3a
; 3b
< 3c
= 3d
> 3e
? 3f
@ 40
A 41
B 42
C 43
D 44
E 45
F 46
G 47
H 48
I 49
J 4a
K 4b
L 4c
M 4d
N 4e
O 4f
P 50
Q 51
R 52
S 53
T 54
U 55
V 56
W 57
XX 58
Y 59
Z 5a
[ 5b
\ 5c
] 5d
^ 5e
_ 5f
` 60
a 61
b 62
c 63
d 64
e 65
f 66
g 67
h 68
i 69
j 6a
k 6b
l 6c
m 6d
n 6e
o 6f
p 70
q 71
r 72
s 73
t 74
u 75
v 76
w 77
x 78
y 79
z 7a
{ 7b
| 7c
} 7d
X~ 7e
!EOF!
ls -l 2_5c.cmp
echo x - 2_5c_a.c
sed 's/^X//' > 2_5c_a.c << '!EOF!'
/* Copyright (c) 1990 by AT&T Bell Telephone Laboratories, Incorporated. */
/* The C++ Answer Book */
/* Tony Hansen */
/* All rights reserved. */
// print all letters and digits, taking into
// consideration non-English alphabets
// version 3
#include <limits.h>
#include <stream.h>
#include <ctype.h>

void pr(int i)	// same pr() as before
{
    cout << chr(i) << " " << i << "\n";
}

int main(int, char**)
{
    for (int i = 0; i <= CHAR_MAX; i++)
	if (islower(i) || isdigit(i))
	    pr(i);

    return 0;
}
!EOF!
ls -l 2_5c_a.c
echo x - 2_5c_a.cmp
sed 's/^X//' > 2_5c_a.cmp << '!EOF!'
0 48
1 49
2 50
3 51
4 52
5 53
6 54
7 55
8 56
9 57
a 97
b 98
c 99
d 100
e 101
f 102
g 103
h 104
i 105
j 106
k 107
l 108
m 109
n 110
o 111
p 112
q 113
r 114
s 115
t 116
u 117
v 118
w 119
x 120
y 121
z 122
!EOF!
ls -l 2_5c_a.cmp
echo x - makefile
sed 's/^X//' > makefile << '!EOF!'
CC= CC -I. -I../../CC
all: 2_5a_a 2_5a_b 2_5b_a 2_5b_b 2_5c_a 2_5c

2_5a_a: 2_5a_a.c 2_5a_a1.c
	$(CC) 2_5a_a.c -o 2_5a_a

2_5a_b: 2_5a_b.c
	$(CC) 2_5a_b.c -o 2_5a_b

#2_5b: 2_5b.c
	#$(CC) 2_5b.c -o 2_5b

2_5b_a: 2_5b_a.c
	$(CC) 2_5b_a.c -o 2_5b_a

2_5b_b: 2_5b_b.c
	$(CC) 2_5b_b.c -o 2_5b_b

#2_5b_c: 2_5b_c.c
	#$(CC) 2_5b_c.c -o 2_5b_c

2_5c: 2_5b.c 2_5c.c
	$(CC) -DTESTC 2_5b.c -o 2_5c

2_5c_a: 2_5c_a.c
	$(CC) 2_5c_a.c -o 2_5c_a

test: all 2_5a_a.cmp 2_5a_b.cmp 2_5b_a.cmp 2_5b_b.cmp 2_5c_a.cmp 2_5c.cmp
	2_5a_a > 2_5a_a.out
	cmp 2_5a_a.out 2_5a_a.cmp
	2_5a_b > 2_5a_b.out
	cmp 2_5a_b.out 2_5a_b.cmp
	2_5b_a > 2_5b_a.out
	cmp 2_5b_a.out 2_5b_a.cmp
	2_5b_b > 2_5b_b.out
	cmp 2_5b_b.out 2_5b_b.cmp
	2_5c_a > 2_5c_a.out
	cmp 2_5c_a.out 2_5c_a.cmp
	2_5c > 2_5c.out
	cmp 2_5c.out 2_5c.cmp
	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