//Segmentation fault generator no. 2 (disguised as xor encryption.)

#include <stdio.h>

int
main(int argc, char *argv[])
{
  char *str, c;
  int i, key;

  if (argc >= 2) {
    key = xc1;
    str = argv[1];

    for (i = 0; str[i] != '\0'; ++i) {
      str = str ^ key;
      printf("%s", str);
    }
  putchar('\n');
  return 0;
  }
}