diff --git a/winsup/w32api/ChangeLog b/winsup/w32api/ChangeLog
index b8ffb8a6b..f6d59ca7a 100644
--- a/winsup/w32api/ChangeLog
+++ b/winsup/w32api/ChangeLog
@@ -1,3 +1,18 @@
+2002-01-25  Danny Smith  <dannysmith@users.sourceforge.net>
+
+	* include/winnt.h (_TCHAR): Add typedefs.
+
+2002-01-25  Tim Hughes  <tjh@delcam.com>
+
+	* include/wininet.h (SECURITY_FLAG_IGNORE_*): Add missing
+	defines.
+
+2002-01-25  Andriy Palamarchuk  <apa3a@yahoo.com>
+
+	* include/winsuser.h (ATF_AVAILABLE, SERKF_ACTIVE):
+	Add defines.
+	(LPACCESSTIMEOUT): Add typedef.
+
 2002-01-24  Phillip Susi  <psusi@cfl.rr.com> 
 
 	* include/commctrl.h: Add missing HDM_*,HDN_*,LVSICF_* defines.
diff --git a/winsup/w32api/include/wininet.h b/winsup/w32api/include/wininet.h
index 1790338b1..690d6c055 100644
--- a/winsup/w32api/include/wininet.h
+++ b/winsup/w32api/include/wininet.h
@@ -140,6 +140,9 @@ INTERNET_FLAG_NO_COOKIES|INTERNET_FLAG_NO_AUTH|SECURITY_INTERNET_MASK|INTERNET_F
 #define SECURITY_FLAG_PCT 8
 #define SECURITY_FLAG_PCT4 16
 #define SECURITY_FLAG_IETFSSL4 0x20
+#define SECURITY_FLAG_IGNORE_REVOCATION 0x00000080
+#define SECURITY_FLAG_IGNORE_UNKNOWN_CA 0x00000100
+#define SECURITY_FLAG_IGNORE_WRONG_USAGE 0x00000200
 #define SECURITY_FLAG_40BIT 0x10000000
 #define SECURITY_FLAG_128BIT 0x20000000
 #define SECURITY_FLAG_56BIT 0x40000000
diff --git a/winsup/w32api/include/winnt.h b/winsup/w32api/include/winnt.h
index 49a3c82e8..1ff59986b 100644
--- a/winsup/w32api/include/winnt.h
+++ b/winsup/w32api/include/winnt.h
@@ -75,8 +75,10 @@ typedef CONST CHAR *LPCCH,*PCSTR,*LPCSTR;
  *       used to differentiate standard C runtime calls.
  */
 typedef WCHAR TCHAR;
+typedef WCHAR _TCHAR;
 #else
 typedef CHAR TCHAR;
+typedef CHAR _TCHAR;
 #endif
 #endif
 typedef TCHAR TBYTE,*PTCH,*PTBYTE;
diff --git a/winsup/w32api/include/winuser.h b/winsup/w32api/include/winuser.h
index aeb8a9462..496861c4e 100644
--- a/winsup/w32api/include/winuser.h
+++ b/winsup/w32api/include/winuser.h
@@ -11,6 +11,7 @@ extern "C" {
 #define FVIRTKEY	1
 #define ATF_TIMEOUTON	1
 #define ATF_ONOFFFEEDBACK	2
+#define ATF_AVAILABLE	4 /* May be obsolete. Not in recent MS docs. */
 #define WH_MIN	(-1)
 #define WH_MSGFILTER	(-1)
 #define WH_JOURNALRECORD	0
@@ -1500,6 +1501,7 @@ extern "C" {
 #define MKF_MOUSEKEYSON 1
 #define MKF_MODIFIERS 64
 #define MKF_REPLACENUMBERS 128
+#define SERKF_ACTIVE 8 /* May be obsolete. Not in recent MS docs. */
 #define SERKF_AVAILABLE 2
 #define SERKF_INDICATOR 4
 #define SERKF_SERIALKEYSON 1
@@ -1908,7 +1910,7 @@ typedef struct tagACCESSTIMEOUT {
 	UINT cbSize;
 	DWORD dwFlags;
 	DWORD iTimeOutMSec;
-} ACCESSTIMEOUT;
+} ACCESSTIMEOUT, *LPACCESSTIMEOUT;
 typedef struct tagANIMATIONINFO {
 	UINT cbSize;
 	int iMinAnimate;