Write a program to enter name, roll-number and marks of 10 students and store them in a file.

# winclude<stdio.h>

#include<conio.h>

struct

 {

  int roll;

  char name[25];

  float mark;

  }std;

void main()

{

  int i;

  FILE *fp;

  fp=fopen("d:\\cprg\student.txt","wb");

  clrscr();

  printf("enter student roll number name and marks for 10 students");

  for(i=0;i<10;i++)

  {

 scanf("%d%s%f",&std.roll,std.name,&std.mark);

  fwrite(&std,sizeof(std),1,fp);

  }

  fclose(fp);

  getch();

  }