#include <stdio.h>

unsigned char image_array[256*256]; // 256*256 = 64kB

int main()
{
  int i;
  int a;
  FILE *image;
  image = fopen("image_cameraman_tiff.txt","r");
  if(image == NULL)
  {
    printf("Open failed\n");
    return;
  }

  for(i=0;i<5;i++)
  {
    fscanf(image, "%d", &a);
    image_array[i] = (unsigned char)a;
  }
}