diff --git a/ncurses/tinfo/lib_kernel.c b/ncurses/tinfo/lib_kernel.c
index 37f7084..46f652b 100644
--- a/ncurses/tinfo/lib_kernel.c
+++ b/ncurses/tinfo/lib_kernel.c
@@ -1,5 +1,6 @@
 /****************************************************************************
- * Copyright (c) 1998-2009,2010 Free Software Foundation, Inc.              *
+ * Copyright 2020-2022,2023 Thomas E. Dickey                                *
+ * Copyright 1998-2009,2010 Free Software Foundation, Inc.                  *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -48,8 +49,9 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_kernel.c,v 1.31 2010/12/19 01:21:19 tom Exp $")
+MODULE_ID("$Id: lib_kernel.c,v 1.36 2023/06/10 13:29:06 tom Exp $")
 
+#ifdef TERMIOS
 static int
 _nc_vdisable(void)
 {
@@ -57,7 +59,7 @@
 #if defined(_POSIX_VDISABLE) && HAVE_UNISTD_H
     value = _POSIX_VDISABLE;
 #endif
-#if defined(_PC_VDISABLE)
+#if defined(_PC_VDISABLE) && HAVE_FPATHCONF
     if (value == -1) {
 	value = (int) fpathconf(0, _PC_VDISABLE);
 	if (value == -1) {
@@ -70,6 +72,7 @@
 #endif
     return value;
 }
+#endif /* TERMIOS */
 
 /*
  *	erasechar()
@@ -91,6 +94,8 @@
 	result = termp->Ottyb.c_cc[VERASE];
 	if (result == _nc_vdisable())
 	    result = ERR;
+#elif defined(EXP_WIN32_DRIVER)
+	result = ERR;
 #else
 	result = termp->Ottyb.sg_erase;
 #endif
@@ -126,6 +131,8 @@
 	result = termp->Ottyb.c_cc[VKILL];
 	if (result == _nc_vdisable())
 	    result = ERR;
+#elif defined(EXP_WIN32_DRIVER)
+	result = ERR;
 #else
 	result = termp->Ottyb.sg_kill;
 #endif
@@ -141,30 +148,40 @@
 }
 #endif
 
+static void
+flush_input(int fd)
+{
+#ifdef TERMIOS
+    tcflush(fd, TCIFLUSH);
+#else /* !TERMIOS */
+    errno = 0;
+    do {
+#if defined(EXP_WIN32_DRIVER)
+	_nc_console_flush(_nc_console_fd2handle(fd));
+#else
+	ioctl(fd, TIOCFLUSH, 0);
+#endif
+    } while
+	(errno == EINTR);
+#endif
+}
+
 /*
  *	flushinp()
  *
- *	Flush any input on cur_term->Filedes
- *
+ *	Flush any input on tty
  */
 
 NCURSES_EXPORT(int)
 NCURSES_SP_NAME(flushinp) (NCURSES_SP_DCL0)
 {
-    TERMINAL *termp = TerminalOf(SP_PARM);
-
     T((T_CALLED("flushinp(%p)"), (void *) SP_PARM));
 
-    if (termp != 0) {
-#ifdef TERMIOS
-	tcflush(termp->Filedes, TCIFLUSH);
-#else
-	errno = 0;
-	do {
-	    ioctl(termp->Filedes, TIOCFLUSH, 0);
-	} while
-	    (errno == EINTR);
-#endif
+    if (SP_PARM != 0) {
+	if (NC_ISATTY(SP_PARM->_ifd))
+	    flush_input(SP_PARM->_ifd);
+	else if (NC_ISATTY(SP_PARM->_ofd))
+	    flush_input(SP_PARM->_ofd);
 	if (SP_PARM) {
 	    SP_PARM->_fifohead = -1;
 	    SP_PARM->_fifotail = 0;