Which is better file structure? ----- A ----- ```txt ./lib ----- [HEADER FILES] ./src ---

Which is better file structure?

----- A -----

./lib
  ----- [HEADER FILES]
./src
  ----- [SOURCE CODE]

./lib
  ----- [HEADER FILES]
./src
  ----- [SOURCE CODE]

----- B -----

./src
  ----- [SOURCE CODE]
  ----- [HEADER FILES]

./src
  ----- [SOURCE CODE]
  ----- [HEADER FILES]

Which is better file structure? ** ----- A ----- ** ```txt ./lib ----- [HEADER FILES] ./src ---