Not Always That Obvious


        void
        function(int a, int b, int c)
        {
                char  buffer1[8];
                char  buffer2[16];
                int  *ret;

                ret = buffer1 + GAP_TO_RETURN_ADDRESS_ON_STACK;
                (*ret) += WIDTH_OF_ONE_INSTRUCTION;
        }
 
        void
        main()
        {
                int x;
 
                x = 0;
                function(1,2,3);
                x = 1;
                printf("%d\n",x);
        }