1 files changed, 18 insertions, 0 deletions
diff --git a/CODE_STYLE.md b/CODE_STYLE.md
index ecbdbb3..cdcde75 100644
--- a/CODE_STYLE.md
+++ b/CODE_STYLE.md
@@ -200,3 +200,21 @@ if (result > 0) {
     }
 }
 ```
+
+## File Names
+- Use `snake_case`
+- Use `.c` extension for source files.
+- Use `.h` extension for header files.
+- Example: `user_manager.c`, `user_manager.h`.
+
+## Naming Conventions
+- Choose descriptive names that eeflect
+  the module's primary responsibility.
+- Keep names concise but meaningful (typically 1-3 words).
+- Avoid abbreviations unless they are widely recognized.
+- Example: `config_parser.c` [good], `cfg_prs.c` [bad].
+
+## Header File Guards
+- Use `ifndef` guards with `UPPER_SNAKE_CASE`.
+- Follow the pattern: `{FILENAME}_H` or `{FILENAME}_H_INCLUDED`.
+- Example: `#ifndef USER_MANAGER_H`