#include <stdio.h>

#include <stdlib.h>

#include <assert.h>

typedef struct student{

  char name[32];

  int no;

  char sex[16];

  float score;

} stu;

int main(int argc, char* argv[])

{

 //打开文件

 FILE * r=fopen("A.txt","r");

 assert(r!=NULL);

 FILE * w=fopen("B.txt","w");

 assert(w!=NULL);

 //读写文件

 stu a[128];

 int i=0;

 while(fscanf(r,"%s%d%s%f",a[i].name,&a[i].no,a[i].sex,&a[i].score)!=EOF)

 {

   printf("%s\t%d\t%s\t%g\n",a[i].name,a[i].no,a[i].sex,a[i].score);//输出到显示器屏幕

   fprintf(w,"%s\t%d\t%s\t%g\n",a[i].name,a[i].no,a[i].sex,a[i].score);//输出到文件B.txt

   i++;

 } 

 //关闭文件

 fclose(r);

 fclose(w);

 system("pause");

 return 0;

}