c programming code pls

1)Implement the following function which create a reversed array (use pointer) int rev (int * D. int size): 2)Implement the following function which finds the length of a string using pointer operation. intlength(chars); 3) Create a structure called Player with the following members. struct Player \{ char name[20]; int age; double Salary; double Rating; \}; First, create an array of Player structures. Now, write a function that takes an array of Player structure as input and find out the highest paid player among all the players. void highestPaidPlayer(struct Player * pl, int size); [NB: You should send the first address of the array in your function call and the pointer pl in the function header will accept it]