diff --git a/reactos/lib/rtl/rtlp.h b/reactos/lib/rtl/rtlp.h
index 5552f94d697..25625e012a9 100644
--- a/reactos/lib/rtl/rtlp.h
+++ b/reactos/lib/rtl/rtlp.h
@@ -51,7 +51,7 @@ RtlLeaveHeapLock(PRTL_CRITICAL_SECTION CriticalSection);
 
 BOOLEAN
 NTAPI
-RtlpCheckForActiveDebugger(VOID);
+RtlpCheckForActiveDebugger(BOOLEAN Type);
 
 BOOLEAN
 NTAPI
@@ -63,6 +63,10 @@ RtlpHandleDpcStackException(IN PEXCEPTION_REGISTRATION_RECORD RegistrationFrame,
 #define RtlpAllocateStringMemory RtlpAllocateMemory
 #define RtlpFreeStringMemory     RtlpFreeMemory
 
+BOOLEAN
+NTAPI
+RtlpSetInDbgPrint(IN BOOLEAN NewValue);
+
 /* i386/except.S */
 
 EXCEPTION_DISPOSITION
@@ -96,6 +100,15 @@ VOID
 NTAPI
 RtlpCaptureContext(OUT PCONTEXT ContextRecord);
 
+/* i386/debug.S */
+NTSTATUS
+NTAPI
+DebugService(IN ULONG Service,
+             IN PVOID Buffer,
+             IN ULONG Length,
+             IN PVOID Argument1,
+             IN PVOID Argument2);
+
 /* Tags for the String Allocators */
 #define TAG_USTR        TAG('U', 'S', 'T', 'R')
 #define TAG_ASTR        TAG('A', 'S', 'T', 'R')