int match ( char *pat, char *str )
{
  switch ( *pat )
  {
    case '\0' : return !*str;
    case '*' : return match( pat+1, str ) || *str && match( pat, str+1 );
    case '?' : return *str && match( pat+1, str+1 );
    default : return *pat == *str && match( pat+1, str+1 );
  }
}