Base version of ncurses-5.7 library
diff --git a/ncurses/tinfo/lib_baudrate.c b/ncurses/tinfo/lib_baudrate.c
new file mode 100644
index 0000000..b9cdfda
--- /dev/null
+++ b/ncurses/tinfo/lib_baudrate.c
@@ -0,0 +1,238 @@
+/****************************************************************************
+ * Copyright (c) 1998-2007,2008 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            *
+ * "Software"), to deal in the Software without restriction, including      *
+ * without limitation the rights to use, copy, modify, merge, publish,      *
+ * distribute, distribute with modifications, sublicense, and/or sell       *
+ * copies of the Software, and to permit persons to whom the Software is    *
+ * furnished to do so, subject to the following conditions:                 *
+ *                                                                          *
+ * The above copyright notice and this permission notice shall be included  *
+ * in all copies or substantial portions of the Software.                   *
+ *                                                                          *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
+ * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
+ * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
+ *                                                                          *
+ * Except as contained in this notice, the name(s) of the above copyright   *
+ * holders shall not be used in advertising or otherwise to promote the     *
+ * sale, use or other dealings in this Software without prior written       *
+ * authorization.                                                           *
+ ****************************************************************************/
+
+/****************************************************************************
+ *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
+ *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
+ *     and: Thomas E. Dickey                        1996-on                 *
+ ****************************************************************************/
+
+/*
+ *	lib_baudrate.c
+ *
+ */
+
+#include <curses.priv.h>
+#include <term.h>		/* cur_term, pad_char */
+#include <termcap.h>		/* ospeed */
+#if defined(__FreeBSD__)
+#include <sys/param.h>
+#endif
+
+/*
+ * These systems use similar header files, which define B1200 as 1200, etc.,
+ * but can be overridden by defining USE_OLD_TTY so B1200 is 9, which makes all
+ * of the indices up to B115200 fit nicely in a 'short', allowing us to retain
+ * ospeed's type for compatibility.
+ */
+#if (defined(__FreeBSD__) && (__FreeBSD_version < 700000)) || defined(__NetBSD__) || defined(__OpenBSD__)
+#undef B0
+#undef B50
+#undef B75
+#undef B110
+#undef B134
+#undef B150
+#undef B200
+#undef B300
+#undef B600
+#undef B1200
+#undef B1800
+#undef B2400
+#undef B4800
+#undef B9600
+#undef B19200
+#undef EXTA
+#undef B38400
+#undef EXTB
+#undef B57600
+#undef B115200
+#undef B230400
+#undef B460800
+#undef B921600
+#define USE_OLD_TTY
+#include <sys/ttydev.h>
+#else
+#undef USE_OLD_TTY
+#endif /* USE_OLD_TTY */
+
+MODULE_ID("$Id: lib_baudrate.c,v 1.27 2008/06/28 15:19:24 tom Exp $")
+
+/*
+ *	int
+ *	baudrate()
+ *
+ *	Returns the current terminal's baud rate.
+ *
+ */
+
+struct speed {
+    int s;			/* value for 'ospeed' is an index */
+    int sp;			/* the actual speed */
+};
+
+static struct speed const speeds[] =
+{
+    {B0, 0},
+    {B50, 50},
+    {B75, 75},
+    {B110, 110},
+    {B134, 134},
+    {B150, 150},
+    {B200, 200},
+    {B300, 300},
+    {B600, 600},
+    {B1200, 1200},
+    {B1800, 1800},
+    {B2400, 2400},
+    {B4800, 4800},
+    {B9600, 9600},
+#ifdef B19200
+    {B19200, 19200},
+#else
+#ifdef EXTA
+    {EXTA, 19200},
+#endif
+#endif
+#ifdef B38400
+    {B38400, 38400},
+#else
+#ifdef EXTB
+    {EXTB, 38400},
+#endif
+#endif
+#ifdef B57600
+    {B57600, 57600},
+#endif
+#ifdef B115200
+    {B115200, 115200},
+#endif
+#ifdef B230400
+    {B230400, 230400},
+#endif
+#ifdef B460800
+    {B460800, 460800},
+#endif
+#ifdef B921600
+    {B921600, 921600},
+#endif
+};
+
+NCURSES_EXPORT(int)
+_nc_baudrate(int OSpeed)
+{
+#if !USE_REENTRANT
+    static int last_OSpeed;
+    static int last_baudrate;
+#endif
+
+    int result = ERR;
+    unsigned i;
+
+#if !USE_REENTRANT
+    if (OSpeed == last_OSpeed) {
+	result = last_baudrate;
+    }
+#endif
+    if (result == ERR) {
+	if (OSpeed >= 0) {
+	    for (i = 0; i < SIZEOF(speeds); i++) {
+		if (speeds[i].s == OSpeed) {
+		    result = speeds[i].sp;
+		    break;
+		}
+	    }
+	}
+#if !USE_REENTRANT
+	if (OSpeed == last_OSpeed) {
+	    last_OSpeed = OSpeed;
+	    last_baudrate = result;
+	}
+#endif
+    }
+    return (result);
+}
+
+NCURSES_EXPORT(int)
+_nc_ospeed(int BaudRate)
+{
+    int result = 1;
+    unsigned i;
+
+    if (BaudRate >= 0) {
+	for (i = 0; i < SIZEOF(speeds); i++) {
+	    if (speeds[i].sp == BaudRate) {
+		result = speeds[i].s;
+		break;
+	    }
+	}
+    }
+    return (result);
+}
+
+NCURSES_EXPORT(int)
+baudrate(void)
+{
+    int result;
+
+    T((T_CALLED("baudrate()")));
+
+    /*
+     * In debugging, allow the environment symbol to override when we're
+     * redirecting to a file, so we can construct repeatable test-cases
+     * that take into account costs that depend on baudrate.
+     */
+#ifdef TRACE
+    if (!isatty(fileno(SP ? SP->_ofp : stdout))
+	&& getenv("BAUDRATE") != 0) {
+	int ret;
+	if ((ret = _nc_getenv_num("BAUDRATE")) <= 0)
+	    ret = 9600;
+	ospeed = _nc_ospeed(ret);
+	returnCode(ret);
+    }
+#endif
+
+    if (cur_term != 0) {
+#ifdef USE_OLD_TTY
+	result = cfgetospeed(&cur_term->Nttyb);
+	ospeed = _nc_ospeed(result);
+#else /* !USE_OLD_TTY */
+#ifdef TERMIOS
+	ospeed = cfgetospeed(&cur_term->Nttyb);
+#else
+	ospeed = cur_term->Nttyb.sg_ospeed;
+#endif
+	result = _nc_baudrate(ospeed);
+#endif
+	cur_term->_baudrate = result;
+    } else {
+	result = ERR;
+    }
+
+    returnCode(result);
+}