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+/* wait.h -- POSIX macros for evaluating exit statuses
+ Copyright (C) 1990 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2, or (at your option)
+ any later version.
+
+ This program 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 General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#ifdef HAVE_SYS_WAIT_H
+#include <sys/types.h> /* For pid_t. */
+#ifdef HAVE_SYS_RESOURCE_H
+#include <sys/resource.h> /* for rusage */
+#endif
+#include <sys/wait.h>
+#else
+#define WIFSTOPPED(w) (((w) & 0xff) == 0x7f)
+#define WIFSIGNALED(w) (((w) & 0xff) != 0x7f && ((w) & 0xff) != 0)
+#define WIFEXITED(w) (((w) & 0xff) == 0)
+
+#define WSTOPSIG(w) (((w) >> 8) & 0xff)
+#define WTERMSIG(w) ((w) & 0x7f)
+#define WEXITSTATUS(w) (((w) >> 8) & 0xff)
+#endif