30. Write program to enter name,roll no and marks 0f 10 students and store them in the file.

#include<stdio.h>
#include<conio.h>
struct student
{
Char name[30];
int roll,marks;
}S{10];
void main()
{
int i;
FILE *ptr;
clrscr();
ptr=fopen("student.txt“,"w+");
printf("\n Input following information’s:- ");
for(i=0;i<10;i++)
{
fflush(stdin);
printf("\n Name[%d]:- ",i+1);
gets(s[i].name):
printf("\n Roll Number[%d]:- ",i+l)i
scanf("%d",&s[i].roll);
printf("\n Marks[%d]:- ",i+l);
scanf("%d",&s[i].marks);
}
for(i=0;i<10;i++)
fprintf(ptr,"\n%s\t%d\%d",s[i].name,s[i].roll,s[i].marks);
fclose(ptr);
getch();
}