C: Read and write a set of data to a file in binary mode (fread, fwrite)

2. #include <stdio.h>
4. #define SIZE 10
6. struct student
8. {
10. Char name[10];
12. int num;
14. int age;
16. Char addr[15];
18. }stu[size];
20. Save Data (fwrite)
22. void Save ()
24. {
26. FILE *FP;
28. fp = fopen ("Stu.dat", "WB");
30. if (fp==null)
32. {
34. printf ("File can not open!\n");
36. Return
38. }
40. for (int i=0;i<size;i++)
42. {
44. if (fwrite (&stu[i],sizeof (struct student), 1,FP)!=1)
46. {
48. printf ("File Write error!\n");
50. }
52. }
54. Fclose (FP);
56. }
58. Read Data (fread)
60. void Load ()
62. {
64. FILE *FP;
66. fp = fopen ("Stu.dat", "RB");
68. if (fp==null)
70. {
72. printf ("File can not open!\n");
74. Return
76. }
78. for (int i=0;i<size;i++)
80. {   
82. if (fread (&stu[i],sizeof (struct student), 1,FP)!=1)
84. {
86. if (feof (FP))
88. {
90. Fclose (FP);
92. Return
94. }
96. printf ("file read error!\n");
98. }
100. printf ("%-10s%4d%4d%-15s\n", stu[i].name,stu[i].num,stu[i].age,stu[i].addr);
102. }
104. Fclose (FP);
106. }
108. int main ()
110. {
112. printf ("Please enter data of students:\n");
114. for (int i=0;i<size;i++)
116. {
118. scanf ("%s%d%d%s", stu[i].name,&stu[i].num,&stu[i].age,stu[i].addr);
120. }
122. Save ();
124. Load ();
126. return 0;
128. }

C: Read and write a set of data to a file in binary mode (fread, fwrite)