The first should set bit 5 of a. The second shnuld clear bit 5 of a. In both　cases, the　remaining bits should be unmodified.

　　7. What does the following function return?

　　char foo(void)

　　{

　　unsigned int a = 6;

　　iht b = -20;

　　char c;

　　(a+b > 6) ? (c=1): (c=0);

　　return c;

　　}

　　8. What values are printed when the following C program is executed?

　　int i = 8;

　　void main(void)