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+/*-
+ * Copyright (c) 1991, 1993, 1994
+ * The Regents of the University of California. All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Keith Muller of the University of California, San Diego and Lance
+ * Visser of Convex Computer Corporation.
+ *
+ * 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.
+ *
+ * @(#)extern.h 8.3 (Berkeley) 4/2/94
+ * $FreeBSD: src/bin/dd/extern.h,v 1.12 2002/02/02 06:24:12 imp Exp $
+ */
+
+#ifndef _DD_EXTERN_H_
+#define _DD_EXTERN_H_
+
+#include <sys/cdefs.h>
+
+void block(void);
+void block_close(void);
+void dd_out(int);
+void def(void);
+void def_close(void);
+void jcl(char **);
+void pos_in(void);
+void pos_out(void);
+void summary(void);
+void summaryx(int);
+void terminate(int);
+void unblock(void);
+void unblock_close(void);
+
+extern IO in, out;
+extern STAT st;
+extern void (*cfunc)(void);
+extern quad_t cpy_cnt;
+extern size_t cbsz;
+extern u_int ddflags;
+extern quad_t files_cnt;
+extern const u_char *ctab;
+extern const u_char a2e_32V[], a2e_POSIX[];
+extern const u_char e2a_32V[], e2a_POSIX[];
+extern const u_char a2ibm_32V[], a2ibm_POSIX[];
+extern u_char casetab[];
+
+#endif /* _DD_EXTERN_H_ */