Base version of ncurses-5.7 library
diff --git a/ncurses/tinfo/lib_kernel.c b/ncurses/tinfo/lib_kernel.c
new file mode 100644
index 0000000..89dc1e8
--- /dev/null
+++ b/ncurses/tinfo/lib_kernel.c
@@ -0,0 +1,154 @@
+/****************************************************************************
+ * Copyright (c) 1998-2003,2004 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 2002 *
+ ****************************************************************************/
+
+/*
+ * lib_kernel.c
+ *
+ * Misc. low-level routines:
+ * erasechar()
+ * killchar()
+ * flushinp()
+ *
+ * The baudrate() and delay_output() functions could logically live here,
+ * but are in other modules to reduce the static-link size of programs
+ * that use only these facilities.
+ */
+
+#include <curses.priv.h>
+#include <term.h> /* cur_term */
+
+MODULE_ID("$Id: lib_kernel.c,v 1.24 2004/05/08 17:11:21 tom Exp $")
+
+static int
+_nc_vdisable(void)
+{
+ int value = -1;
+#if defined(_POSIX_VDISABLE) && HAVE_UNISTD_H
+ value = _POSIX_VDISABLE;
+#endif
+#if defined(_PC_VDISABLE)
+ if (value == -1) {
+ value = fpathconf(0, _PC_VDISABLE);
+ if (value == -1) {
+ value = 0377;
+ }
+ }
+#elif defined(VDISABLE)
+ if (value == -1)
+ value = VDISABLE;
+#endif
+ return value;
+}
+
+/*
+ * erasechar()
+ *
+ * Return erase character as given in cur_term->Ottyb.
+ *
+ */
+
+NCURSES_EXPORT(char)
+erasechar(void)
+{
+ int result = ERR;
+ T((T_CALLED("erasechar()")));
+
+ if (cur_term != 0) {
+#ifdef TERMIOS
+ result = cur_term->Ottyb.c_cc[VERASE];
+ if (result == _nc_vdisable())
+ result = ERR;
+#else
+ result = cur_term->Ottyb.sg_erase;
+#endif
+ }
+ returnCode(result);
+}
+
+/*
+ * killchar()
+ *
+ * Return kill character as given in cur_term->Ottyb.
+ *
+ */
+
+NCURSES_EXPORT(char)
+killchar(void)
+{
+ int result = ERR;
+ T((T_CALLED("killchar()")));
+
+ if (cur_term != 0) {
+#ifdef TERMIOS
+ result = cur_term->Ottyb.c_cc[VKILL];
+ if (result == _nc_vdisable())
+ result = ERR;
+#else
+ result = cur_term->Ottyb.sg_kill;
+#endif
+ }
+ returnCode(result);
+}
+
+/*
+ * flushinp()
+ *
+ * Flush any input on cur_term->Filedes
+ *
+ */
+
+NCURSES_EXPORT(int)
+flushinp(void)
+{
+ T((T_CALLED("flushinp()")));
+
+ if (cur_term != 0) {
+#ifdef TERMIOS
+ tcflush(cur_term->Filedes, TCIFLUSH);
+#else
+ errno = 0;
+ do {
+ ioctl(cur_term->Filedes, TIOCFLUSH, 0);
+ } while
+ (errno == EINTR);
+#endif
+ if (SP) {
+ SP->_fifohead = -1;
+ SP->_fifotail = 0;
+ SP->_fifopeek = 0;
+ }
+ returnCode(OK);
+ }
+ returnCode(ERR);
+}