#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>

int main(int argc, char** argv){
  if (argc<2){
    printf("Need a file argument\n");
    return 1;
  }
  int fd=open(argv[1],O_RDONLY);
  if (fd<0){
    printf("Couldn't open file\n");
    return 1;
  }
  uint32_t value = 0;
  
  read(fd,&value,sizeof(value));
  close(fd);

  value=value^0xffffffff;
  if (value== 0x11223344) printf("Value one\n");
  if (value == 0x44332211) printf("Value two\n");
  if (value != 0x0) printf("Not zero\n");
  return 0; 
}