mdbook-codename is a mdBook preprocessor to show a filename of the Markdown codeblock.
When you write a filename of the codeblock, the filename is shown above the codeblock.
```src/test.c
void hello(void) {
puts("hello!");
}
```
```c:src/test.c
void hello(void) {
puts("hello!");
}
```
Add the following to your book.toml:
[preprocessor.codename]To show the example, run the following command:
mdbook serve --open