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1)          goto
goto Ö»ÄÜÔÚÒ»¸öº¯ÊýÄÚÌøת¡£½¨ÒéÉÙÓã¬Ê¹µÃ³ÌÐòά»¤ÆðÀ´ÈÝÒ׳ö´í£»µ«ÊÇ£¬ÔÚÓжà¸öÑ­»·Çé¿öÏÂÌøת£¬ÓÐʱÓÃgoto¿ÉÒÔʹµÃÎÊÌâ±äµÃ¼òµ¥¡£
class A
{
public:
A(){}
~A(){}
};
              int main()
{
{
              A a;
              goto Label1;
}
Label1:
cout<<”end”<<endl;
return 0;
}    
 
2)          setjmp/longjmp
·Ç¾Ö²¿ÓòÌøת(nonlocal goto)£¬¿ÉÓÃÓÚÔÚ²»Í¬º¯ÊýÄÚÌøת£¬²½ÖèÈçÏ£º
l         include <setjmp.h>
l         jmp_buf JumpBuffer
//ÌøתµÄλÖýṹ
l         setjmp(JumpBuffer)
±£´æµ±Ç°µÄλÖ㬽«À´Ìøתµ½ÕâÀï
l         longjmp(JumpBuffer, ÕûÊý)
 
              jmp_buffer jmpbuf;
              void Func()
{
cout << “ get in “ <<endl;
A a;
longjmp(jmpbuf, 1);
cout << “ never get here “<<endl;
}
              int main()
{
cout << “ get in main “ <<endl
if( setjmp (jmpbuf ) == 0 )
{
cout<<”set lable”<<endl;
Func();
}
                    else
{
       cout<<” jmp to here”<<endl;
}
}