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

#include <signal.h>

void flushall(int sig){
  if ( sig != SIGINT )
    return;
  fflush(NULL);
}


int main(){
  int i = 1;
  FILE *f;

  char *buff, *p, *q;
  char *fmt = "\xc0\x81\xc5\x87\x8a\x91\x91\x89\x80\x96\xc5\x8a\x83\xc5\x87\x80\x80\x97\xc5\x8a\x8b\xc5\x91\x8d\x80\xc5\x92\x84\x89\x89\xef";

  /* "%d bottles of beer on the wall\n";  Beer is still allowed, 
				          although hard liquor is not */
  if( (f=fopen("/dev/null", "w")) == NULL ){
    perror("No /dev/null for you!\n");
    exit(1);
  }

  buff = malloc( strlen(fmt) + 20 );
  memset(buff, '\0', strlen(fmt) + 20 );

  signal(SIGINT, &flushall);

  /* Hey, "encryption" ! */
  p = fmt;
  q = buff;
  while( *p )
    *q++ = *p++ ^ (char) 0xe5;

  while(1){
    fprintf(f, buff, ++i);
    //fflush(f);
    sleep(1); /* Can't drink all that beer so fast! That'd be unhealthy. */
  }
}