The readme doesn't give an example of the actual npf_putc callback, just how to call nanoprintf with a callback. Add an actual callback, with use of the context pointer, to the readme to make it clearer.
The readme doesn't give an example of the actual npf_putc callback, just how to call nanoprintf with a callback.
Add an actual callback, with use of the context pointer, to the readme to make it clearer.