#ifndef CAPTURE_WIN_IFNAMES_H
#define CAPTURE_WIN_IFNAMES_H
-char *get_windows_interface_friendly_name(/* IN */ const char *interface_devicename);
+/*
+ * If a string is a GUID in {}, fill in a GUID structure with the GUID
+ * value and return TRUE; otherwise, if the string is not a valid GUID
+ * in {}, return FALSE.
+ */
+extern gboolean parse_as_guid(const char *guid_text, GUID *guid);
+
+/* Get the friendly name for the given GUID */
+extern char *get_interface_friendly_name_from_device_guid(GUID *guid);
+
+/*
+ * Given an interface name, try to extract the GUID from it and parse it.
+ * If that fails, return NULL; if that succeeds, attempt to get the
+ * friendly name for the interface in question. If that fails, return
+ * NULL, otherwise return the friendly name, allocated with g_malloc()
+ * (so that it must be freed with g_free()).
+ */
+extern char *get_windows_interface_friendly_name(const char *interface_devicename);
#endif