Homework assignment 3 Due: Date and time as specified on D2L In this assignment, you must complete the 5 functions below. Each function's body should consist of a single C statement. Furthermore, you may not use control statements, such as if, switch, or any kind of loop. For each problem, you are also restricted to the operators and constants as specified. In the descriptions of these functions, I am assuming that the variable "xptr" points to a variable "x" of the right type. */ /* 1. Write a function zero, which sets a variable x to zero. A pointer to x is passed as a parameter. YOU MAY USE NO CONSTANTS in this function, and must restrict yourself to using the assignment operator, the dereferencing operator, and one or more of the bitwise operators. */