|
0
|
1
|
|
|
2
|
|
13
|
3 int k=3;
|
|
|
4
|
|
|
5 struct aa { int a[100]; } aaa,bbb;
|
|
|
6
|
|
0
|
7 void tmp(void);
|
|
|
8
|
|
16
|
9 struct aa
|
|
45
|
10 main0(int);
|
|
0
|
11
|
|
16
|
12 struct aa
|
|
45
|
13 main0(int k)
|
|
0
|
14 {
|
|
39
|
15 int i;
|
|
16
|
16 struct aa ccc;
|
|
39
|
17
|
|
|
18 for(i=0;i<100;i++) ccc.a[i]=i;
|
|
45
|
19 ccc.a[55]=k;
|
|
16
|
20 return ccc;
|
|
0
|
21 }
|
|
|
22
|
|
45
|
23 struct aa
|
|
|
24 main3(struct aa arg)
|
|
|
25 {
|
|
|
26 int j=++arg.a[55];
|
|
|
27 return main0(j);
|
|
|
28 }
|
|
|
29
|
|
8
|
30 void
|
|
|
31 main2(struct aa a1)
|
|
|
32 {
|
|
37
|
33 /* main2 a1.a[99] 0 */
|
|
|
34 /* main2 a1.a[55] 0 */
|
|
|
35 /* main2 a1.a[99] 55 */
|
|
|
36 /* main2 a1.a[55] 44 */
|
|
15
|
37 printf("main2 a1.a[99] %d\n",a1.a[99]);
|
|
|
38 printf("main2 a1.a[55] %d\n",a1.a[55]);
|
|
8
|
39 }
|
|
|
40
|
|
16
|
41 void
|
|
0
|
42 main1(struct aa a1)
|
|
|
43 {
|
|
37
|
44 /* main1 a1.a[0] 0 */
|
|
|
45 /* main1 a1.a[0] 44 */
|
|
15
|
46 printf("main1 a1.a[0] %d\n",a1.a[0]);
|
|
|
47 a1.a[55]=44;
|
|
0
|
48 if (a1.a[0])
|
|
8
|
49 main2(a1);
|
|
0
|
50 else
|
|
8
|
51 main2(aaa);
|
|
0
|
52 }
|
|
|
53
|
|
13
|
54
|
|
0
|
55 main(ac,av)
|
|
|
56 int ac;
|
|
|
57 char *av[];
|
|
|
58 {
|
|
|
59 register int i;
|
|
|
60 register char *p;
|
|
|
61 int j = 3;
|
|
16
|
62 struct { int b; void (*c)(struct aa); } q = {3,main1},r;
|
|
39
|
63 struct aa *aap[3];
|
|
0
|
64
|
|
|
65 j = 3;
|
|
|
66
|
|
45
|
67 bbb = main0(123);
|
|
39
|
68 printf("copied main0 ccc.a[55] %d==123\n",bbb.a[55]);
|
|
|
69 aap[2] = &bbb;
|
|
45
|
70 *aap[2] = main0(123);
|
|
39
|
71 printf("complex copied main0 ccc.a[55] %d==123\n",bbb.a[55]);
|
|
|
72 bbb.a[55]=0;
|
|
45
|
73 j = main0(123).a[55];
|
|
39
|
74 printf("new main0 ccc.a[55] in temporal copy %d==123\n",j);
|
|
|
75
|
|
45
|
76 j = 552;
|
|
|
77 bbb = main3(bbb);
|
|
|
78 printf("main3 bbb.a[55] in temporal copy %d==552 %d==1\n",j,bbb.a[55]);
|
|
|
79 j = main3(bbb).a[55];
|
|
|
80 printf("main3 bbb.a[55] in temporal copy %d==2 %d\n",j,bbb.a[53]);
|
|
|
81 j = main3(bbb).a[53];
|
|
|
82 printf("main3 bbb.a[55] in temporal copy %d==2 %d\n",j,bbb.a[53]);
|
|
|
83
|
|
15
|
84 printf("%d==3\n",q.b);
|
|
37
|
85 /* 3==3 */
|
|
0
|
86 r = q;
|
|
15
|
87 printf("%d==3\n",r.b);
|
|
37
|
88 /* 3==3 */
|
|
15
|
89 (*r.c)(aaa);
|
|
|
90 printf("main aaa.a[55] %d\n",aaa.a[55]);
|
|
37
|
91 /* main aaa.a[55] 123 */
|
|
15
|
92 bbb.a[0]=44;
|
|
0
|
93 aaa = bbb;
|
|
15
|
94 aaa.a[99]=55; /* core dump? */
|
|
|
95 (*r.c)(aaa);
|
|
37
|
96 /* main aaa.a[55] 0 */
|
|
15
|
97 printf("main aaa.a[55] %d\n",aaa.a[55]);
|
|
8
|
98 p = av[0];
|
|
0
|
99 if (!p) return;
|
|
|
100 i = p[1];
|
|
|
101 p = p+i;
|
|
37
|
102 /* 47 ./a.out */
|
|
0
|
103 printf("%d %s\n",i,p-i);
|
|
|
104 }
|
|
|
105
|
|
13
|
106 void
|
|
0
|
107 tmp()
|
|
|
108 {
|
|
|
109 }
|
|
37
|
110
|
|
|
111
|
