[SDK:RTL] Add RtlInitUnicodeString() and RtlGUIDFromString()

SDK/INC/NT/ntrtl.h

@@ -17,6 +17,7 @@ Abstract:
 #define _NTRTL_H
 
 #include <string.h>
+#include <ntdef.h>
 
 //
 // Memory operations.
@@ -26,4 +27,18 @@ Abstract:
 #define RtlFillMemory(Destination, Length, Fill)   memset((Destination), (Fill), (Length))
 #define RtlZeroMemory(Destination, Length)         memset((Destination), 0, (Length))
 
+VOID
+NTAPI
+RtlInitUnicodeString (
+   OUT PUNICODE_STRING Destination,
+   IN PCWSTR Source
+   );
+
+NTSTATUS
+NTAPI
+RtlGUIDFromString (
+   IN PUNICODE_STRING String,
+   OUT GUID *Guid
+   );
+
 #endif /* !_NTRTL_H */