60                                2.     

  switch   case   .  
case :

case __:

 ,     case,  -
 break.    break,    
,    case  default.

       case,    
default,   .  de f au 11  ,    
.       case    default,  -
   switch.   ,   
 default,     case .

  case  default     
switch.

   switch

1.     ,   switch.

2.   case,    ,   -
   1;     case    , -
  default;   default , switch .

3.  switch ,    break 
   switch.

2.8.9.  goto

 goto       
 .      
   .      
  goto    ,
      , 
     (for, while, do, if 
switch).

   .    goto,  

goto ;

     .  :

  goto_tst.cpp

if (d == 0.0)

goto error;

else

ratio = n / d;

error: cerr  ":   !\";

  goto,         
. , goto   .