#include <sys/types.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>

main(int argc, char *argv[])
{
  int pid = 0;
  int fd, ct;
  char buf[20];
  
  fd = open("data", O_RDONLY);
  pid = fork();
  sleep(random() % 10);
  ct = read(fd, buf, 4);
  buf[ct] = '\0';  
  printf("%d: %s\n", pid, buf);
  exit(0);
  
}