0) Miscellaneous questions 1) Define data structures. (2 points) 2) List three separate stages of converting C program to executable program? (3 points) 3) How do you prevent memory leak in your program? (2 points) 4) When a variable of type pointer declared, does it reserve memory in heap? Yes, No if no why? points) 5) Write the signature/declaration of the rent function if you have the below code (5 points) int units - 30 : Int unitPrice = 2; float cost : cost = rent units, unitprice); 6) Write a code to reserve memory in heap of type int (5 points) 7) fix the following program so that it runs correctly (10 points) #include intx=1 int main 0 If Ix = 2) Printf("x equals 1"); Otherwise Printf("x does not equals 1")