USB Stick

Hello,a my application runs from a USB stick, so the final user doesn't need to install anything.I need 2 c++ functions that : 1. Get the univocal Serial number of USB Stick 2. Check if usb (where my exe is present) is plugged or not to PC Before I pay I want check the project. Source code in c++ is required after my payment 2 or 3 days to delivery