try/except sample

SEHSample1.cpp

#include <stdio.h> 
#include <windows.h> // for EXCEPTION_ACCESS_VIOLATION 
#include <excpt.h> 
int filter(unsigned int code, struct _EXCEPTION_POINTERS *ep) { 
   puts("in filter."); 
   if (code == EXCEPTION_ACCESS_VIOLATION) { 
      puts("caught AV as expected."); 
      return EXCEPTION_EXECUTE_HANDLER; 
   } 
   else { 
      puts("didn't catch AV, unexpected."); 
      return EXCEPTION_CONTINUE_SEARCH; 
   }; 
} 
int main() 
{ 
   int* p = 0x00000000;   // pointer to NULL 
   puts("hello"); 
   __try{ 
      puts("in try"); 
      __try{ 
         puts("in try"); 
         *p = 13;    // causes an access violation exception; 
      }__finally{ 
         puts("in finally. termination: "); 
         puts(AbnormalTermination() ? "\tabnormal" : "\tnormal"); 
      } 
   }__except(filter(GetExceptionCode(), GetExceptionInformation())){ 
      puts("in except"); 
   } 
   puts("world"); 
}