二进制文件读入

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#include <stdio.h>#include <stdlib.h>#define NUM 5typedef struct{    int num,English,Math,Chinese;    char name[20];}Student;int main(){    FILE*fp;    Student stu1[NUM],stu2[NUM];    int i;    if((fp=fopen("student.dic","wb+"))==NULL)    {        printf("Cannot open source file.\n");        exit(1);    }    printf("Enter data of %d students\n",NUM);    for(i=0;i<NUM;i++)        scanf("%s %d %d %d %d",&stu1[i].name,stu1[i].num,stu1[i].English,stu1[i].Math,stu1[i].Chinese);    fwrite((void*)stu1,sizeof(Student),NUM,fp);    rewind(fp);    printf("name\tnum\tEnglish\tMath\tChinese\n");    for(i=0;i<NUM;i++)    {        fread((void*)&stu2[i],sizeof(Student),1,fp);        ptintf("%s\t%d\t%d\t%d\t%d\n",stu2[i].name,stu2[i].num,stu2[i].English,stu2[i].Math,stu2[i].Chinese);    }    fclose(fp);                                                                                                                                                                                                                                                            return 0;}

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