Read Student Record File

#include <iostream>
#include <fstream>

using namespace std;

// Define the structure
struct Student {
    int rno;
    char name[30];
    int marks;
};

int main() {
    
	Student srec;
	// Open the binary file for reading
    fstream file1("d://file.dat", ios::binary|ios::in);
    if (!file1) 
	{
        cout << "Error in opening file." << endl;
        return 1;
    }

    // Read and display all records from the file
    Student srecord;
    while (file1.read((char*)&srec, sizeof(srec))) 
	{
        cout << "Roll Number: " << srec.rno << endl;
        cout << "Name: " << srec.name << endl;
        cout << "Marks: " << srec.marks << endl;
        cout << endl;
    }

    // Close the file
    file1.close();

    return 0;
}