SULIT (EKT 150) Question 3 (C3, C01, PO1) a) Trace the output of the following program segment: int *ptr, q; q = 50; ptr = &q; printf("%d", *ptr); (2 Marks) b) Write the function definition for function swap, to swap two numbers. #include void swap (int *ni, int *n2); //function prototype int main() { int num1 = 5 num2 = 10; swap (&num1, &num2); //function call printf ("num1 = %d ", num1); printf("num2 = %d ", num2); return 0; //function definition for function "swap" (4 Marks) c) Write a function definition that accepts a string as an input and then prints the characters in the string in a reverse order. Example, the input string "UniMAP will be displayed as PAMinU. (Hint: You could use the strlen() function to find the string length.) (6 Marks)