C program to read all information from the file student.dat

 #include <stdio.h>
int main()
{
    char name[50];
int rollno;
int age;
float per;
   FILE *fptr;
   fptr = (fopen("student.dat", "r"));
  while((fscanf(fptr,"%s %d %d %f",name,&rollno,&age,&per)!=EOF))
       {
        printf("Name:  %s\n Roll Number: %d\n Age : %d\n Percentage : %f\n",name,rollno,age,per);
   }
  fclose(fptr);
}