title: No Such File or Directory <usb.h>
body: <p>I tried to run a program for my k70 rgb : <a href="https://github.com/CalcProgrammer1/CorsairKeyboardSpectrograph/blob/c8e2605e42e77c013857ccee58edd8a3fe998f3d/README.md" rel="nofollow">https://github.com/CalcProgrammer1/CorsairKeyboardSpectrograph/blob/c8e2605e42e77c013857ccee58edd8a3fe998f3d/README.md</a> on CodeBlocks. When it included usb.h, it said Nos uch file or directory, so I installed libusb, but still the same problem...</p>