Remove <sys/ioctl_compat.h>.

This is all legacy BSD stuff (legacy even on BSD!) that's meaningless on Linux.

Bug: http://b/28519060
Change-Id: I92d317ede844ebd50b48368021fa2ad036e2b0c1
diff --git a/libc/include/sys/ioctl.h b/libc/include/sys/ioctl.h
index ed261f2..efbcb0c 100644
--- a/libc/include/sys/ioctl.h
+++ b/libc/include/sys/ioctl.h
@@ -37,7 +37,6 @@
 #include <linux/termios.h>
 #include <asm/ioctls.h>
 #include <asm/termbits.h>
-#include <sys/ioctl_compat.h>
 #include <linux/tty.h>
 
 #include <bits/ioctl.h>
diff --git a/libc/include/sys/ioctl_compat.h b/libc/include/sys/ioctl_compat.h
deleted file mode 100644
index d9ba4c7..0000000
--- a/libc/include/sys/ioctl_compat.h
+++ /dev/null
@@ -1,174 +0,0 @@
-/*	$NetBSD: ioctl_compat.h,v 1.15 2005/12/03 17:10:46 christos Exp $	*/
-
-/*
- * Copyright (c) 1990, 1993
- *	The Regents of the University of California.  All rights reserved.
- * (c) UNIX System Laboratories, Inc.
- * All or some portions of this file are derived from material licensed
- * to the University of California by American Telephone and Telegraph
- * Co. or Unix System Laboratories, Inc. and are reproduced herein with
- * the permission of UNIX System Laboratories, 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. 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.
- *
- *	@(#)ioctl_compat.h	8.4 (Berkeley) 1/21/94
- */
-
-#ifndef _SYS_IOCTL_COMPAT_H_
-#define	_SYS_IOCTL_COMPAT_H_
-
-/*#include <sys/ttychars.h>*/
-/*#include <sys/ttydev.h>*/
-
-#if !defined(__mips__)
-struct tchars {
-	char	t_intrc;	/* interrupt */
-	char	t_quitc;	/* quit */
-	char	t_startc;	/* start output */
-	char	t_stopc;	/* stop output */
-	char	t_eofc;		/* end-of-file */
-	char	t_brkc;		/* input delimiter (like nl) */
-};
-
-struct ltchars {
-	char	t_suspc;	/* stop process signal */
-	char	t_dsuspc;	/* delayed stop process signal */
-	char	t_rprntc;	/* reprint line */
-	char	t_flushc;	/* flush output (toggles) */
-	char	t_werasc;	/* word erase */
-	char	t_lnextc;	/* literal next character */
-};
-
-/*
- * Structure for TIOCGETP and TIOCSETP ioctls.
- */
-#ifndef _SGTTYB_
-#define	_SGTTYB_
-struct sgttyb {
-	char	sg_ispeed;		/* input speed */
-	char	sg_ospeed;		/* output speed */
-	char	sg_erase;		/* erase character */
-	char	sg_kill;		/* kill character */
-	short	sg_flags;		/* mode flags */
-};
-#endif
-#endif
-
-#ifdef USE_OLD_TTY
-# undef  TIOCGETD
-# define TIOCGETD	_IOR('t', 0, int)	/* get line discipline */
-# undef  TIOCSETD
-# define TIOCSETD	_IOW('t', 1, int)	/* set line discipline */
-#else
-# define OTIOCGETD	_IOR('t', 0, int)	/* get line discipline */
-# define OTIOCSETD	_IOW('t', 1, int)	/* set line discipline */
-#endif
-#define	TIOCHPCL	_IO('t', 2)		/* hang up on last close */
-#if !defined(__mips__)
-#define	TIOCGETP	_IOR('t', 8,struct sgttyb)/* get parameters -- gtty */
-#define	TIOCSETP	_IOW('t', 9,struct sgttyb)/* set parameters -- stty */
-#define	TIOCSETN	_IOW('t',10,struct sgttyb)/* as above, but no flushtty*/
-#endif
-#define	TIOCSETC	_IOW('t',17,struct tchars)/* set special characters */
-#define	TIOCGETC	_IOR('t',18,struct tchars)/* get special characters */
-#if 0
-/* BUG: a bunch of these conflict with #defines in asm/termbits.h */
-#define		TANDEM		0x00000001	/* send stopc on out q full */
-#define		CBREAK		0x00000002	/* half-cooked mode */
-#define		LCASE		0x00000004	/* simulate lower case */
-#define		ECHO		0x00000008	/* enable echoing */
-#define		CRMOD		0x00000010	/* map \r to \r\n on output */
-#define		RAW		0x00000020	/* no i/o processing */
-#define		ODDP		0x00000040	/* get/send odd parity */
-#define		EVENP		0x00000080	/* get/send even parity */
-#define		ANYP		0x000000c0	/* get any parity/send none */
-#define		NLDELAY		0x00000300	/* \n delay */
-#define			NL0	0x00000000
-#define			NL1	0x00000100	/* tty 37 */
-#define			NL2	0x00000200	/* vt05 */
-#define			NL3	0x00000300
-#define		TBDELAY		0x00000c00	/* horizontal tab delay */
-#define			TAB0	0x00000000
-#define			TAB1	0x00000400	/* tty 37 */
-#define			TAB2	0x00000800
-#define		XTABS		0x00000c00	/* expand tabs on output */
-#define		CRDELAY		0x00003000	/* \r delay */
-#define			CR0	0x00000000
-#define			CR1	0x00001000	/* tn 300 */
-#define			CR2	0x00002000	/* tty 37 */
-#define			CR3	0x00003000	/* concept 100 */
-#define		VTDELAY		0x00004000	/* vertical tab delay */
-#define			FF0	0x00000000
-#define			FF1	0x00004000	/* tty 37 */
-#define		BSDELAY		0x00008000	/* \b delay */
-#define			BS0	0x00000000
-#define			BS1	0x00008000
-#define		ALLDELAY	(NLDELAY|TBDELAY|CRDELAY|VTDELAY|BSDELAY)
-#define		CRTBS		0x00010000	/* do backspacing for crt */
-#define		PRTERA		0x00020000	/* \ ... / erase */
-#define		CRTERA		0x00040000	/* " \b " to wipe out char */
-#define		TILDE		0x00080000	/* hazeltine tilde kludge */
-#define		MDMBUF		0x00100000	/* DTR/DCD hardware flow control */
-#define		LITOUT		0x00200000	/* literal output */
-#define		TOSTOP		0x00400000	/* stop background jobs on output */
-#define		FLUSHO		0x00800000	/* output being flushed (state) */
-#define		NOHANG		0x01000000	/* (no-op) was no SIGHUP on carrier drop */
-#define		L001000		0x02000000
-#define		CRTKIL		0x04000000	/* kill line with " \b " */
-#define		PASS8		0x08000000
-#define		CTLECH		0x10000000	/* echo control chars as ^X */
-#define		PENDIN		0x20000000	/* re-echo input buffer at next read */
-#define		DECCTQ		0x40000000	/* only ^Q starts after ^S */
-#define		NOFLSH		0x80000000	/* don't flush output on signal */
-#endif
-#define	TIOCLBIS	_IOW('t', 127, int)	/* bis local mode bits */
-#define	TIOCLBIC	_IOW('t', 126, int)	/* bic local mode bits */
-#define	TIOCLSET	_IOW('t', 125, int)	/* set entire local mode word */
-#define	TIOCLGET	_IOR('t', 124, int)	/* get local modes */
-#define		LCRTBS		(CRTBS>>16)
-#define		LPRTERA		(PRTERA>>16)
-#define		LCRTERA		(CRTERA>>16)
-#define		LTILDE		(TILDE>>16)
-#define		LMDMBUF		(MDMBUF>>16)
-#define		LLITOUT		(LITOUT>>16)
-#define		LTOSTOP		(TOSTOP>>16)
-#define		LFLUSHO		(FLUSHO>>16)
-#define		LNOHANG		(NOHANG>>16)
-#define		LCRTKIL		(CRTKIL>>16)
-#define		LPASS8		(PASS8>>16)
-#define		LCTLECH		(CTLECH>>16)
-#define		LPENDIN		(PENDIN>>16)
-#define		LDECCTQ		(DECCTQ>>16)
-#define		LNOFLSH		(NOFLSH>>16)
-#if !defined(__mips__)
-#define	TIOCSLTC	_IOW('t',117,struct ltchars)/* set local special chars*/
-#define	TIOCGLTC	_IOR('t',116,struct ltchars)/* get local special chars*/
-#endif
-#define OTIOCCONS	_IO('t', 98)	/* for hp300 -- sans int arg */
-#define	OTTYDISC	0
-#define	NETLDISC	1
-#define	NTTYDISC	2
-
-#endif /* !_SYS_IOCTL_COMPAT_H_ */