int main(int argc, char ** argv) {

  if (argc < 2) {
    perror("Too few arguments\n");
    return FUN_FAILLURE;
  }

  FILE *src = fopen(argv[1],"r");
  if (src == NULL) {
    perror("Error : source file\n");
    return FUN_FAILLURE;
  }

  FILE *dest = fopen("test.txt", "w");
  if (dest == NULL) {
    perror("Error : destination file\n");
    return FUN_FAILLURE;
  }

  char *p;
  int rr = fgetc(src);

  while (rr != EOF) {
    fwrite(p, sizeof(char), 1, dest);
  }



  return FUN_SUCCESS;
}