`#include <iostream>
#include <conio.h>
#include <fstream>
#include<stdio.h>
#include<stdlib.h>
using namespace std;


unsigned char* editing(char* filename)
{
    int i;
int j;
FILE* mybmpfilespointer;
mybmpfilespointer = fopen(filename, "rb");
unsigned char headerinfo[54];
fread(headerinfo, sizeof(unsigned char), 54, mybmpfilespointer); // read the 54-byte header size_t fread ( void * ptr, size_t size, size_t count, FILE * stream );

// extract image height and width from header
int width = *(int*)&headerinfo[18];
int height = *(int*)&headerinfo[22];

int size = 3 * width * height;
unsigned char* imagesdata = new unsigned char[size]; // allocate 3 bytes per pixel
fread(imagesdata, sizeof(unsigned char), size, mybmpfilespointer); // read the rest of the imagesdata at once

// display image height and width from header
 cout << " width:" << width << endl;
cout << " height:" << height << endl;

ofstream arrayfile("bmpofstream.bmp"); // File Creation

for(int a = 0; a < 53; a++) //bgr to rgb
{
    arrayfile << headerinfo[a];
}

for(int k=0; k<size; k++)
{
    arrayfile<<imagesdata[k]<<endl; //Outputs array to file
}
arrayfile.close();

delete[] mybmpfilespointer;
delete[] imagesdata;
fclose(mybmpfilespointer);
return imagesdata;
return headerinfo;


}

int main()
{

FILE* mybmpfilespointer = fopen("mybmp.bmp", "rb");
if (mybmpfilespointer)
{

     editing("mybmp.bmp");
 }
 else
 {
     cout << "Cant Read File";
 }

}`

for(j = 0; j < size; j++)
  {
     imagesdata[j]=imagesdata[j]+50;
   }