Objective-C Programming: The Big Nerd Ranch Guide

return

Many functions return a value when they complete execution. You know what type of data a function will return by the type that precedes the function name. (If a function does not return anything, its return type is void.)

Create a new C Command Line Tool named Degrees. In main.c, add a function before main() that converts a temperature from Celsius to Fahrenheit. Then update main() to call the new function.

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