func(a1, a2, a3) ;

(*func)(a1, a2, a3);

*func(a1, a2, a3);

both (func(a1, a2, a3) ;) & ((*func)(a1, a2, a3);)

p is a one dimensional array of size 5, of pointers to integers

p is a pointer to a 5 element integer array

the same as int *p[5];

none of the above

25

garbage

5 x address of b

an error message

no error

a = b; and b = c;

c = d; and d = a;

a = b; and d = a;

malloc (m*n, 0);

memset(0, m*n);

ptr = malloc (m*n); memset (p, 0, m*n);

ptr = malloc(m*n); strcpy(p, u);