Macros with Arguments
Explore how to define and use macros with arguments in C programming, including techniques for correct macro expansion, parenthesization for safety, and variadic macros. Understand common issues and best practices to write efficient and reliable preprocessor macros.
We'll cover the following...
We'll cover the following...
We can use #define directives to create macros in more advanced ways, such as by including an expression or code statements in the body of a macro. We can also use parameters with the macro name, which allows us to use it the same way we would a function.
A first example
For example, we could define a macro to perform the square of a number like this:
Then, we could use it ...