$! = 10;
    print "Hello", $!>0, "World\n";

##</code><code>##

    $! = 0;
    print "Hello", $!>0, "World\n";

##</code><code>##

  print wantarray ? YES : NO , "\n";

##</code><code>##

int main()
{
   char buf[50];
    char a[] = {'a', 'b', 'c'};
    sprintf (buf, "Hello %s here\n", a);
    printf ("%s", buf);
}

##</code><code>##

  $count = ("abc", "abc", "abc")