--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libuwrap/find_dev.h	Thu Sep 07 04:00:56 2023 +0000
@@ -0,0 +1,22 @@
+/*
+ * This header file contains definitions and declarations related to
+ * functions for locating specific FTDI/CP2102/etc USB devices.
+ */
+
+struct usbdev_matchspec {
+	unsigned	usb_vid;
+	unsigned	usb_pid;
+	char		*manuf_string;
+	char		*product_string;
+	char		*serial;
+	unsigned	index;
+};
+
+extern struct usb_device *
+find_usbdev_by_matchspec(const struct usbdev_matchspec *match);
+
+extern struct usb_device *
+find_usbdev_by_busdev(const char *bus_dev_spec);
+
+extern struct usb_device *
+find_usbdev_by_desc_string(const char *desc_string);