Hi!
i am told to write a program using file,nd structures that contain student database usin add,modify,search,display functions.
i wrote add function but unable to write modify,serach,display.plz help its urgent
insert
Code:
#include<stdio.h>
struct student3
{
int age;
int marks;
char name[11];
int roll;
};
add();
main()
{
add();
}
add()
{
FILE *fp;
int i,n;
struct student3 s[100];
printf("enter no. of students");
scanf("%d",&n);
printf("name,roll,marks,age");
for(i=0;i<n;i++)
scanf("%s %d %d %d",s[i].name,&s[i].roll,&s[i].marks,&s[i].age);
fp=fopen("student4.dat","w");
fwrite(s,sizeof(struct student3),n,fp);
fclose(fp);
}