This is a library to transfer data from a PC to a Commodore 64 using an EasyFlash 3 USB connection.
EasyFlash website: https://skoe.de/easyflash/
Official repository and issue tracker: https://gitlab.com/easyflash/libef3usb/.
Other EasyFlash related repositories: https://gitlab.com/easyflash/
Source repository mirror: https://github.com/easyflash-mirror/libef3usb/.
(C) Thomas 'skoe' Giesel
Refer to LICENSE.md.
...is missing. Yes, I'll write an issue for that.