Index: uspace/lib/c/include/devman.h
===================================================================
--- uspace/lib/c/include/devman.h	(revision 73aec008f71d2837377d9654ab5e73c252ba6806)
+++ uspace/lib/c/include/devman.h	(revision bdbb6f6e2d2ba190ccc8ccec3897b458fa47eada)
@@ -53,4 +53,6 @@
 extern int devman_device_get_handle(const char *, devman_handle_t *,
     unsigned int);
+extern int devman_device_get_handle_by_class(const char *, const char *,
+    devman_handle_t *, unsigned int);
 
 extern int devman_add_device_to_class(devman_handle_t, const char *);
Index: uspace/lib/c/include/ipc/devman.h
===================================================================
--- uspace/lib/c/include/ipc/devman.h	(revision 73aec008f71d2837377d9654ab5e73c252ba6806)
+++ uspace/lib/c/include/ipc/devman.h	(revision bdbb6f6e2d2ba190ccc8ccec3897b458fa47eada)
@@ -148,5 +148,6 @@
 
 typedef enum {
-	DEVMAN_DEVICE_GET_HANDLE = IPC_FIRST_USER_METHOD
+	DEVMAN_DEVICE_GET_HANDLE = IPC_FIRST_USER_METHOD,
+	DEVMAN_DEVICE_GET_HANDLE_BY_CLASS
 } client_to_devman_t;