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+/* $FreeBSD$ */
+/* From: NetBSD: setjmp.h,v 1.2 1997/04/06 08:47:41 cgd Exp */
+
+/*
+ * Copyright (c) 1994, 1995 Carnegie-Mellon University.
+ * All rights reserved.
+ *
+ * Author: Chris G. Demetriou
+ *
+ * Permission to use, copy, modify and distribute this software and
+ * its documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ *
+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
+ * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
+ * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ *
+ * Carnegie Mellon requests users of this software to return to
+ *
+ * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
+ * School of Computer Science
+ * Carnegie Mellon University
+ * Pittsburgh PA 15213-3890
+ *
+ * any improvements or extensions that they make and grant Carnegie the
+ * rights to redistribute these changes.
+ */
+
+/*
+ * machine/setjmp.h: machine dependent setjmp-related information.
+ */
+
+#define _JBLEN 81 /* size, in longs, of a jmp_buf */
+
+/*
+ * jmp_buf and sigjmp_buf are encapsulated in different structs to force
+ * compile-time diagnostics for mismatches. The structs are the same
+ * internally to avoid some run-time errors for mismatches.
+ */
+#ifndef _ANSI_SOURCE
+typedef struct { long _sjb[_JBLEN + 1]; } sigjmp_buf[1];
+#endif /* not ANSI */
+
+typedef struct { long _jb[_JBLEN + 1]; } jmp_buf[1];
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