Differences

This shows you the differences between two versions of the page.

--- header-guard [May 14, 2026 at 12:52] – yanevskiv
+++ header-guard [Unknown date] (current) – removed - external edit (Unknown date) 127.0.0.1
@@ Line 1: / Line 1: @@
-# Header guard
-**Header guards** are a pattern used in C and C++ programming languages when writing header files.
-Header files are files that
-A prototypical example of a header guard is the following
-```c
-// hello_world.h
-#ifndef __HELLO_WORLD_H__
-#define __HELLO_WORLD_H__
-struct Hello {
-    const char *world;
-};
-#endif /* __HELLO_WORLD_H__ */
-```