/***************************************************************************
 *  ISA 563
 *  Example target of 'attacker'
 *
 *  Copyleft by Muhammad Abdulla
 *
 **************************************************************************/

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#define MAXLINE 512

#define CRASH "crash!"

void crash()
{
   fprintf(stderr, "crashing ...\n");
   exit(-1);
}

int main(int argc, char* argv[])
{
   int  count = 0;

   char line[MAXLINE];

   while ( fgets(line, sizeof(line), stdin) ) {

      if ( strncmp(line, CRASH, strlen(CRASH)) == 0 ) {
         crash();
      } else {
         fprintf(stdout, "Line %d: %s", count++, line);
      }
   }

   return 0;
}