1 files changed, 51 insertions, 1 deletions
diff --git a/winsup/w32api/include/wtsapi32.h b/winsup/w32api/include/wtsapi32.h
index 5bd09bbbd..298acb9b6 100644
--- a/winsup/w32api/include/wtsapi32.h
+++ b/winsup/w32api/include/wtsapi32.h
@@ -74,7 +74,7 @@ BOOL WINAPI WTSQueryUserToken(ULONG SessionId, PHANDLE pToken);
 
 #endif /* _WIN32_WINNT >= 0x0501 */
 
-#if (_WIN32_WINNT >= 0x0500)
+#if (_WIN32_WINNT >= _WIN32_WINNT_WIN2K)
 
 typedef struct _WTS_SESSION_INFOW {
   DWORD SessionId;
@@ -168,6 +168,56 @@ BOOL WTSSendMessageW(
 #define WTSSendMessage WTSSendMessageA
 #endif
 
+BOOL WTSVirtualChannelClose(
+  __in  HANDLE hChannelHandle
+);
+
+HANDLE WTSVirtualChannelOpen(
+  __in  HANDLE hServer,
+  __in  DWORD SessionId,
+  __in  LPSTR pVirtualName
+);
+
+#if _WIN32_WINNT >= _WIN32_WINNT_VISTA
+HANDLE WTSVirtualChannelOpenEx(
+  __in  DWORD SessionId,
+  __in  LPSTR pVirtualName,
+  __in  DWORD flags
+);
+#endif
+
+BOOL WTSVirtualChannelPurgeInput(
+  __in  HANDLE hChannelHandle
+);
+
+BOOL WTSVirtualChannelPurgeOutput(
+  __in  HANDLE hChannelHandle
+);
+
+#if _WIN32_WINNT >= _WIN32_WINNT_WINXP
+BOOL WTSVirtualChannelQuery(
+  __in   HANDLE hChannelHandle,
+  __in   WTS_VIRTUAL_CLASS WtsVirtualClass,
+  __out  PVOID *ppBuffer,
+  __out  DWORD *pBytesReturned
+);
+#endif
+
+BOOL WTSVirtualChannelRead(
+  __in   HANDLE hChannelHandle,
+  __in   ULONG TimeOut,
+  __out  PCHAR Buffer,
+  __in   ULONG BufferSize,
+  __out  PULONG pBytesRead
+);
+
+BOOL WTSVirtualChannelWrite(
+  __in   HANDLE hChannelHandle,
+  __in   PCHAR Buffer,
+  __in   ULONG Length,
+  __out  PULONG pBytesWritten
+);
+
 #endif /* _WIN32_WINNT >= 0x0500 */
 
 #ifdef __cplusplus