I have a C++ programming problem to extract a suffix such as Jr. or Sr. from a string that may vary each time. We are currently working with one assigned variable but I wanted to know how to code it if I have a file that would vary instead of working with a constant variable. I have the program working for the constant but I would like to know how to code for a file. The Proff. said we would have to look for the space but we would have to extract...