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-rw-r--r--errno.h45
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diff --git a/errno.h b/errno.h
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+/* Copyright (C) 1991, 1992, 1993, 1994 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the, 1992 Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA. */
+
+/*
+ * ANSI Standard: 4.1.3 Errors <errno.h>
+ */
+
+#ifndef _ERRNO_H
+
+#define _ERRNO_H 1
+#include <features.h>
+
+__BEGIN_DECLS
+
+/* Get the error number constants. */
+#include <errnos.h>
+
+/* Declare the `errno' variable. */
+extern int errno;
+
+#ifdef __USE_GNU
+/* The full and simple forms of the name with which the program was
+ invoked. These variables are set up automatically at startup based on
+ the value of ARGV[0] (this works only if you use GNU ld). */
+extern char *program_invocation_name, *program_invocation_short_name;
+#endif
+
+__END_DECLS
+
+#endif /* errno.h */