Importing usr.bin/msgc

Minix-specific changes were needed in msg_sys.def:

 * use minix_mmap()/minix_munmap() since mmap()/munmap() aren't
   defined on Minix.

 * use MAP_PRIVATE flag since MAP_SHARED isn't defined on Minix.

Tested with usr.bin/menuc/testm.

Change-Id: I1c463e7b0623036050adb6a9079c6747e1c1e084

usr.bin/msgc/msgparse.y

@@ -0,0 +1,66 @@
+/*	$NetBSD: msgparse.y,v 1.5 2012/03/06 16:26:01 mbalmer Exp $	*/
+
+/*
+ * Copyright 1997 Piermont Information Systems Inc.
+ * All rights reserved.
+ *
+ * Written by Philip A. Nelson for Piermont Information Systems Inc.
+ *
+ * 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. The name of Piermont Information Systems Inc. may not be used to endorse
+ *    or promote products derived from this software without specific prior
+ *    written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY PIERMONT INFORMATION SYSTEMS INC. ``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 PIERMONT INFORMATION SYSTEMS INC. 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.
+ *
+ */
+
+%{
+
+#include <sys/cdefs.h>
+
+#if defined(__RCSID) && !defined(lint)
+__RCSID("$NetBSD: msgparse.y,v 1.5 2012/03/06 16:26:01 mbalmer Exp $");
+#endif
+
+
+#include "defs.h"
+
+%}
+
+%union {
+	char *s_value;
+}
+
+
+%token MESSAGE
+%token <s_value> NAME VALUE
+
+%start list
+
+%%
+
+list	: /* empty */
+	| list msg
+	;
+
+
+msg	: MESSAGE NAME VALUE
+		{ define_msg ($2, $3); }