Understanding Macros in C Language
In the C language, #define is a preprocessor directive used to define macros. Essentially, it replaces the macro name with specified content before compilation, and it can be categorized into two core usages: non-parameterized macros and parameterized macros. 1. Non-parameterized macros (constant definitions) are the most common scenario, where the macro name replaces constants (such … Read more