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diff --git a/bin/1sh/jobs.h b/bin/1sh/jobs.h
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-/*-
- * Copyright (c) 1991, 1993
- *	The Regents of the University of California.  All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Kenneth Almquist.
- *
- * 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. Neither the name of the University nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 THE REGENTS 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.
- *
- *	@(#)jobs.h	8.2 (Berkeley) 5/4/95
- * $FreeBSD: releng/12.0/bin/sh/jobs.h 327475 2018-01-01 22:31:52Z jilles $
- */
-
-/* Mode argument to forkshell.  Don't change FORK_FG or FORK_BG. */
-#define FORK_FG 0
-#define FORK_BG 1
-#define FORK_NOJOB 2
-
-#include <signal.h>		/* for sig_atomic_t */
-
-struct job;
-
-enum {
-	SHOWJOBS_DEFAULT,	/* job number, status, command */
-	SHOWJOBS_VERBOSE,	/* job number, PID, status, command */
-	SHOWJOBS_PIDS,		/* PID only */
-	SHOWJOBS_PGIDS		/* PID of the group leader only */
-};
-
-extern int job_warning;		/* user was warned about stopped jobs */
-
-void setjobctl(int);
-void showjobs(int, int);
-struct job *makejob(union node *, int);
-pid_t forkshell(struct job *, union node *, int);
-pid_t vforkexecshell(struct job *, char **, char **, const char *, int, int []);
-int waitforjob(struct job *, int *);
-int stoppedjobs(void);
-int backgndpidset(void);
-pid_t backgndpidval(void);
-char *commandtext(union node *);
-
-#if ! JOBS
-#define setjobctl(on)	/* do nothing */
-#endif