Index: /trunk/include/iprt/nt/nt.h
===================================================================
--- /trunk/include/iprt/nt/nt.h	(revision 52039)
+++ /trunk/include/iprt/nt/nt.h	(revision 52040)
@@ -464,4 +464,6 @@
 typedef FILE_INFORMATION_CLASS *PFILE_INFORMATION_CLASS;
 NTSYSAPI NTSTATUS NTAPI NtQueryInformationFile(HANDLE, PIO_STATUS_BLOCK, PVOID, ULONG, FILE_INFORMATION_CLASS);
+NTSYSAPI NTSTATUS NTAPI NtQueryDirectoryFile(HANDLE, HANDLE, PIO_APC_ROUTINE, PVOID, PIO_STATUS_BLOCK, PVOID, ULONG,
+                                             FILE_INFORMATION_CLASS, BOOLEAN, PUNICODE_STRING, BOOLEAN);
 
 typedef struct _MEMORY_SECTION_NAME