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+/* $NetBSD: extern.h,v 1.17 2011/08/29 14:44:21 joerg Exp $ */
+
+/*-
+ * Copyright (c) 1991, 1993
+ * The 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. 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.
+ *
+ * @(#)extern.h 8.1 (Berkeley) 5/31/93
+ */
+
+int acccmp(const FTSENT *, const FTSENT *);
+int revacccmp(const FTSENT *, const FTSENT *);
+int modcmp(const FTSENT *, const FTSENT *);
+int revmodcmp(const FTSENT *, const FTSENT *);
+int namecmp(const FTSENT *, const FTSENT *);
+int revnamecmp(const FTSENT *, const FTSENT *);
+int statcmp(const FTSENT *, const FTSENT *);
+int revstatcmp(const FTSENT *, const FTSENT *);
+int sizecmp(const FTSENT *, const FTSENT *);
+int revsizecmp(const FTSENT *, const FTSENT *);
+
+int ls_main(int, char *[]);
+
+int printescaped(const char *);
+void printacol(DISPLAY *);
+void printcol(DISPLAY *);
+void printlong(DISPLAY *);
+void printscol(DISPLAY *);
+void printstream(DISPLAY *);
+int safe_print(const char *);