windows_usb_api_backend 2385 third_party/libusb/src/libusb/os/windows_usb.c const struct windows_usb_api_backend usb_api_backend[USB_API_MAX] = { windows_usb_api_backend 130 third_party/libusb/src/libusb/os/windows_usb.h extern const struct windows_usb_api_backend usb_api_backend[USB_API_MAX]; windows_usb_api_backend 212 third_party/libusb/src/libusb/os/windows_usb.h struct windows_usb_api_backend const *apib; windows_usb_api_backend 217 third_party/libusb/src/libusb/os/windows_usb.h struct windows_usb_api_backend const *apib; // an API backend (multiple drivers support),