The operator used to get value at address stored in a pointer variable is
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1) Comment on the following pointer declaration.
int *ptr, p;
2) What will be the output of the following C code?
int *ptr, a = 10;
ptr = &a;
*ptr += 1;
printf("%d,%d/n", *ptr, a);
3) If a variable is a pointer to a structure, then which of the following operator is used to access data members of the structure through the pointer variable?
4) What will be the output of the program If the integer is 4bytes long?
int ***r, **q, *p, i=8;
p = &i;
q = &p;
r = &q;
printf("%d, %d, %d\n", *p, **q, ***r);
5) What is (void*)0?