We also examined the fprintf command which allowed a great deal of flexibility and control over the output, requiring the programmer to specify how easy data item is printed following the standard C format programming language conventions. We follow this with the fprintf command to precisely control output. Sometimes the programmer want to have pretty prompt messages. We'll use a subset of the Getting Started on line documentation on Other Data Structures which discusses Characters and Text . This will make a nice display for the char command.
Strings are an interesting complement to working with numbers.
Suppose you want to write a function with the name myfun with one output value output1 and two input values in1 and in2 .