1  main(int na, char* argv[])
       2  {
       3  	int wflg = 0, tflg = 0;
       4  	int dflg = 0;
       5  	exit(0);
       6  	while(1)
       7  	{
       8  		switch(argv[1][0])
       9  		{
      10  			help:
      11  				exit(0);
      12  			case 'w':
      13  			case 'W':
      14  				wflg = 1;
      15  				break;
      16  			case 't':
      17  			case 'T':
      18  				tflg = 1;
      19  				break;
      20  			case 'd':
      21  				dflg = 1;
      22  				break;
      23  		}
      24  	}
      25  }
      26  
      27