diff --git a/winsup/w32api/ChangeLog b/winsup/w32api/ChangeLog
index d8e8804c2..92c4108ed 100644
--- a/winsup/w32api/ChangeLog
+++ b/winsup/w32api/ChangeLog
@@ -1,3 +1,8 @@
+2004-05-25  Al Slater  <al.slater@scluk.com>
+
+	* include/httpext.h (HSE_SEND_HEADER_EX_INFO,
+	HSE_REQ_SEND_RESPONSE_HEADER_EX): Define.
+
 2004-05-15  Filip Navara  <xnavara@volny.cz>
 
 	* include/ddk/kbdmou.h: New file.
diff --git a/winsup/w32api/include/httpext.h b/winsup/w32api/include/httpext.h
index ddff9471f..b1be90852 100644
--- a/winsup/w32api/include/httpext.h
+++ b/winsup/w32api/include/httpext.h
@@ -33,6 +33,7 @@ extern "C" {
 #define	HSE_REQ_SEND_URL	2
 #define	HSE_REQ_SEND_RESPONSE_HEADER	3
 #define	HSE_REQ_DONE_WITH_SESSION	4
+#define	HSE_REQ_SEND_RESPONSE_HEADER_EX	1016
 #define	HSE_REQ_END_RESERVED	1000
 #define	HSE_TERM_ADVISORY_UNLOAD	0x00000001
 #define	HSE_TERM_MUST_UNLOAD	0x00000002
@@ -81,6 +82,13 @@ typedef struct _HSE_TF_INFO {
 	DWORD TailLength;
 	DWORD dwFlags;
 } HSE_TF_INFO, *LPHSE_TF_INFO;
+typedef struct _HSE_SEND_HEADER_EX_INFO {
+	LPCSTR pszStatus;
+	LPCSTR pszHeader;
+	DWORD cchStatus;
+	DWORD cchHeader;
+	BOOL fKeepConn;
+} HSE_SEND_HEADER_EX_INFO, * LPHSE_SEND_HEADER_EX_INF;
 BOOL	PASCAL	GetExtensionVersion(HSE_VERSION_INFO*);
 DWORD	PASCAL	HttpExtensionProc(EXTENSION_CONTROL_BLOCK*);
 BOOL	PASCAL	TerminateExtension(DWORD);