qmk-firmware/lib/usbhost/arduino-1.0.1/cores/arduino
..
Arduino.h
binary.h
CDC.cpp
Client.h
HardwareSerial.cpp
HardwareSerial.h
HID.cpp
IPAddress.cpp
IPAddress.h
main.cpp
new.cpp
new.h
Platform.h
Print.cpp
Print.h
Printable.h
Server.h
Stream.cpp
Stream.h
Tone.cpp
Udp.h
USBAPI.h
USBCore.cpp
USBCore.h
USBDesc.h
WCharacter.h
WInterrupts.c
wiring_analog.c
wiring_digital.c
wiring_private.h
wiring_pulse.c
wiring_shift.c
wiring.c
WMath.cpp
WString.cpp
WString.h