Write a .h/.cpp module pair named intfuncs containing several functions operating on integers: min: accept two integers and return their minimum (as an integer) max: accept two integers and return their maximum (as an integer) average: accept two integers and return their average (as a double) abs: accept a single integer and return its absolute value Write an application intfuncs_app. cpp that accepts pairs of integers from the keyboard (until eof) and runs each function on each pair.