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diff --git a/lib/libcurses/box.c b/lib/libcurses/box.c
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+/*
+ * Copyright (c) 1981 Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)box.c 5.4 (Berkeley) 6/1/90";
+#endif /* not lint */
+
+# include "curses.ext"
+
+/*
+ * This routine draws a box around the given window with "vert"
+ * as the vertical delimiting char, and "hor", as the horizontal one.
+ *
+ */
+box(win, vert, hor)
+reg WINDOW *win;
+char vert, hor; {
+
+ reg int i;
+ reg int endy, endx;
+ reg chtype *fp, *lp;
+
+ endx = win->_maxx;
+ endy = win->_maxy - 1;
+ fp = win->_y[0];
+ lp = win->_y[endy];
+ for (i = 0; i < endx; i++)
+ fp[i] = lp[i] = (unsigned char) hor;
+ endx--;
+ for (i = 0; i <= endy; i++)
+ win->_y[i][0] = (win->_y[i][endx] = (unsigned char) vert);
+ if (!win->_scroll && (win->_flags&_SCROLLWIN))
+ fp[0] = fp[endx] = lp[0] = lp[endx] = ' ';
+ touchwin(win);
+}