a header file for zopen.3

Pointed out by: Philippe Charnier <charnier@lirmm.fr>

sbin/savecore/Makefile

@@ -3,6 +3,9 @@
 PROG=	savecore
 SRCS=	savecore.c zopen.c
 MAN8=	savecore.8
-.PATH:	${.CURDIR}/../../usr.bin/compress
+
+ZOPENPATH= ${.CURDIR}/../../usr.bin/compress
+.PATH:	${ZOPENPATH}
+CFLAGS+= -I${ZOPENPATH}
 
 .include <bsd.prog.mk>

sbin/savecore/savecore.c

@@ -60,6 +60,7 @@ static char sccsid[] = "@(#)savecore.c	8.3 (Berkeley) 1/2/94";
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
+#include "zopen.h"
 
 #define ok(number) ((number) - KERNBASE)
 

usr.bin/compress/zopen.3

@@ -38,7 +38,7 @@
 .Nm zopen
 .Nd compressed stream open function
 .Sh SYNOPSIS
-.Fd #include <stdio.h>
+.Fd #include "zopen.h"
 .Ft FILE *
 .Fn zopen "const char *path" "const char *mode" "int bits"
 .Sh DESCRIPTION

usr.bin/compress/zopen.c

@@ -71,6 +71,7 @@ static char sccsid[] = "@(#)zopen.c	8.1 (Berkeley) 6/27/93";
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
+#include "zopen.h"
 
 #define	BITS		16		/* Default bits. */
 #define	HSIZE		69001		/* 95% occupancy */

usr.bin/compress/zopen.h

@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 1996
+ *	FreeBSD Inc. 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY FreeBSD Inc. 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 [your name] 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.
+ *
+ * 	$Id$
+ */
+
+#ifndef _ZOPEN_H_
+#define _ZOPEN_H_
+
+FILE  *zopen __P((const char *, const char *, int));
+
+#endif /* _ZOPEN_H_ */