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ECE264: Header Files

In earlier classes, the function declarations and definitions were supposed to be before the main function. But if you have a large amount of code, that can get a little tedious.

An easy way to get around that is by using different files.

A header file is a ".h" file, like stdio.h. To make a header file, open an empty file with the following contents:


(hash)ifndef EXAMPLE_H

(hash)define EXAMPLE_H

(function declarations here)...

(hash)endif


The function definitions can come in another ".c" file. where you need to include your header file. To compile these files you need to make use of a Makefile.

-- Kritin Gokharu


Back to ECE264, Spring 2011, Prof. Lu

Alumni Liaison

Ph.D. 2007, working on developing cool imaging technologies for digital cameras, camera phones, and video surveillance cameras.

Buyue Zhang