#include <stdio.h>
#include <stdlib.h>
int main()

{

struct student{

char num[6];
char name[5];
int age;
int s1,s2,s3,s4;
};

struct student stu[4];
int i;

FILE *fp;

if ((fp = fopen("student.txt","r"))==NULL)
   { printf("can not open infile %s\n", "student.txt");

   exit(0);

}

for (i=0;i<4;i++) {

fscanf(fp,"%s%s",stu.num,stu.name);

fscanf(fp,"%d",&stu.age);

fscanf(fp,"%d%d%d",&stu.s1,&stu.s2,&stu.s3);

}

fclose(fp);

for (i=0;i<4;i++)
stu.s4=stu.s1+stu.s2+stu.s3;



for (i=0;i<4;i++)

printf("%6s %-6s %3d %6d %6d %6d %6d \n",

stu.num,stu.name,stu.age,

stu.s1,stu.s2,stu.s3,stu.s4);

return 0;

}
  

#include <stdio.h>
#include <stdlib.h>
int main()

{

struct student{

char num[6];
char name[5];
int age;
int s1,s2,s3,s4;
};

struct student stu[4];
int i;

FILE *fp;

if ((fp = fopen("student.txt","r"))==NULL)
   { printf("can not open infile %s\n", "student.txt");

   exit(0);

}

for (i=0;i<4;i++) {

fscanf(fp,"%s%s",stu.num,stu.name);

fscanf(fp,"%d",&stu.age);

fscanf(fp,"%d%d%d",&stu.s1,&stu.s2,&stu.s3);

}

fclose(fp);

for (i=0;i<4;i++)
stu.s4=stu.s1+stu.s2+stu.s3;



for (i=0;i<4;i++)

printf("%6s %-6s %3d %6d %6d %6d %6d \n",

stu.num,stu.name,stu.age,

stu.s1,stu.s2,stu.s3,stu.s4);

return 0;

}