Overview of This Tutorial

This tutorial contains explanations of the most common functions, macros, data structures and variables that a programmer needs to know about in order to do the C code implementation part of a C module. Note that this is no reference manual, nor is it a manual on how to write C modules. Words printed in bold in the text are of programming specific meaning. It can be a variable, function, data structure, data type or a macro. Using bold is an attempt to clarify their meaning in the running text. The text that is written in courier font is example code. It exists in order to show definitions of functions, macros and variables, and to illustrate how they are used.