a)

b)

Given a function named con_fah_to_cel. This function is designed to convert Fahrenheit to degree Celsius using the formula given below. Construct the con_fah_to_cel function and declare the required variable, if any. Assuming the function will receive a reading of Fahrenheit and return the Celsius value to the main program. 5 (32F - 32) == 0 C (4 markah/marks) Given a function named swap. This function is designed to swap two pointers, noi and no2 received from main program. Construct the swap function and declare the required variable, if any. This function will not return any variable to the main program. The swapping process will be completed in the function using pointers. (4 markah/marks)