Write a single C statement for each of the following .

Declare an integer called total, initialize it to 10

Declare a pointer to an int called ptr and set it to point to the above variable total

Set the value of the above variable total to 20 using pointer ptr

Print the memory address of total using total and the specifier %p

Print the memory address of total using ptr and the specifier %p

Define a new pointer qtr and let it point to total using ptr

Make qtr point to integer variable result (assume result has been declared)

Double the value of result using qtr