Switch like control block

/***********************************************************************
 *@ brief:  switch-like program control block
 *@ example:
 *  SWITCH{
 *      CASE(expr)
 *          //TODO
 *          break;
 *      ENDCASE
 *      ...
 *  ENDSWITCH
 *@ author: zhengjian
 *@ date:   2010-12-16
***********************************************************************/

#define SWITCH   for(;;){
#define ENDSWITCH break;}

#define CASE(expr) if(expr){
#define ENDCASE  }

#define DEFAULT  {
#define ENDDEFAULT }