#include
#include
#define WIDTH 8
#define NUM_PIXELS 64
int main() {
FILE *fp;
int num_images = 1;
unsigned char label = 2;
unsigned char pixels[WIDTH][WIDTH] = {
{0, 0, 0, 0, 0, 0, 0, 0},
{0, 0, 255, 255, 255, 255, 255, 0},
{0, 0, 0, 0, 0, 0, 255, 0},
{0, 0, 255, 255, 255, 255, 255, 0},
{0, 0, 255, 0, 0, 0, 0, 0},
{0, 0, 255, 255, 255, 255, 255, 0},
{0, 0, 0, 0, 0, 0, 0, 0}};
if((fp = fopen(“number2”, “wb”)) == NULL) {
perror(“fopen”);
exit(1);
}
fwrite(&num_images, sizeof(int), 1, fp);
fwrite(&label, sizeof(char), 1, fp);
fwrite(pixels,sizeof(unsigned char), NUM_PIXELS, fp);
fclose(fp);
return 0;
}