reorganize system/include

30 files changed, 0 insertions, 4407 deletions

diff --git a/system/include/sys/_default_fcntl.h b/system/include/sys/_default_fcntl.h
deleted file mode 100644
index 1884136c..00000000
--- a/system/include/sys/_default_fcntl.h
+++ /dev/null
@@ -1,204 +0,0 @@
-
-#ifndef	_SYS__DEFAULT_FCNTL_H_
-#ifdef __cplusplus
-extern "C" {
-#endif
-#define	_SYS__DEFAULT_FCNTL_H_
-#include <_ansi.h>
-#define	_FOPEN		(-1)	/* from sys/file.h, kernel use only */
-#define	_FREAD		0x0001	/* read enabled */
-#define	_FWRITE		0x0002	/* write enabled */
-#define	_FAPPEND	0x0008	/* append (writes guaranteed at the end) */
-#define	_FMARK		0x0010	/* internal; mark during gc() */
-#define	_FDEFER		0x0020	/* internal; defer for next gc pass */
-#define	_FASYNC		0x0040	/* signal pgrp when data ready */
-#define	_FSHLOCK	0x0080	/* BSD flock() shared lock present */
-#define	_FEXLOCK	0x0100	/* BSD flock() exclusive lock present */
-#define	_FCREAT		0x0200	/* open with file create */
-#define	_FTRUNC		0x0400	/* open with truncation */
-#define	_FEXCL		0x0800	/* error on open if file exists */
-#define	_FNBIO		0x1000	/* non blocking I/O (sys5 style) */
-#define	_FSYNC		0x2000	/* do all writes synchronously */
-#define	_FNONBLOCK	0x4000	/* non blocking I/O (POSIX style) */
-#define	_FNDELAY	_FNONBLOCK	/* non blocking I/O (4.2 style) */
-#define	_FNOCTTY	0x8000	/* don't assign a ctty on this open */
-
-#define	O_ACCMODE	(O_RDONLY|O_WRONLY|O_RDWR)
-
-/*
- * Flag values for open(2) and fcntl(2)
- * The kernel adds 1 to the open modes to turn it into some
- * combination of FREAD and FWRITE.
- */
-#define	O_RDONLY	0		/* +1 == FREAD */
-#define	O_WRONLY	1		/* +1 == FWRITE */
-#define	O_RDWR		2		/* +1 == FREAD|FWRITE */
-#define	O_APPEND	_FAPPEND
-#define	O_CREAT		_FCREAT
-#define	O_TRUNC		_FTRUNC
-#define	O_EXCL		_FEXCL
-#define O_SYNC		_FSYNC
-/*	O_NDELAY	_FNDELAY 	set in include/fcntl.h */
-/*	O_NDELAY	_FNBIO 		set in include/fcntl.h */
-#define	O_NONBLOCK	_FNONBLOCK
-#define	O_NOCTTY	_FNOCTTY
-/* For machines which care - */
-#if defined (_WIN32) || defined (__CYGWIN__)
-#define _FBINARY        0x10000
-#define _FTEXT          0x20000
-#define _FNOINHERIT	0x40000
-
-#define O_BINARY	_FBINARY
-#define O_TEXT		_FTEXT
-#define O_NOINHERIT	_FNOINHERIT
-/* O_CLOEXEC is the Linux equivalent to O_NOINHERIT */
-#define O_CLOEXEC	_FNOINHERIT
-
-/* The windows header files define versions with a leading underscore.  */
-#define _O_RDONLY	O_RDONLY
-#define _O_WRONLY	O_WRONLY
-#define _O_RDWR		O_RDWR
-#define _O_APPEND	O_APPEND
-#define _O_CREAT	O_CREAT
-#define _O_TRUNC	O_TRUNC
-#define _O_EXCL		O_EXCL
-#define _O_TEXT		O_TEXT
-#define _O_BINARY	O_BINARY
-#define _O_RAW		O_BINARY
-#define _O_NOINHERIT	O_NOINHERIT
-#endif
-
-#ifndef	_POSIX_SOURCE
-
-/*
- * Flags that work for fcntl(fd, F_SETFL, FXXXX)
- */
-#define	FAPPEND		_FAPPEND
-#define	FSYNC		_FSYNC
-#define	FASYNC		_FASYNC
-#define	FNBIO		_FNBIO
-#define	FNONBIO		_FNONBLOCK	/* XXX fix to be NONBLOCK everywhere */
-#define	FNDELAY		_FNDELAY
-
-/*
- * Flags that are disallowed for fcntl's (FCNTLCANT);
- * used for opens, internal state, or locking.
- */
-#define	FREAD		_FREAD
-#define	FWRITE		_FWRITE
-#define	FMARK		_FMARK
-#define	FDEFER		_FDEFER
-#define	FSHLOCK		_FSHLOCK
-#define	FEXLOCK		_FEXLOCK
-
-/*
- * The rest of the flags, used only for opens
- */
-#define	FOPEN		_FOPEN
-#define	FCREAT		_FCREAT
-#define	FTRUNC		_FTRUNC
-#define	FEXCL		_FEXCL
-#define	FNOCTTY		_FNOCTTY
-
-#endif	/* !_POSIX_SOURCE */
-
-/* XXX close on exec request; must match UF_EXCLOSE in user.h */
-#define	FD_CLOEXEC	1	/* posix */
-
-/* fcntl(2) requests */
-#define	F_DUPFD		0	/* Duplicate fildes */
-#define	F_GETFD		1	/* Get fildes flags (close on exec) */
-#define	F_SETFD		2	/* Set fildes flags (close on exec) */
-#define	F_GETFL		3	/* Get file flags */
-#define	F_SETFL		4	/* Set file flags */
-#ifndef	_POSIX_SOURCE
-#define	F_GETOWN 	5	/* Get owner - for ASYNC */
-#define	F_SETOWN 	6	/* Set owner - for ASYNC */
-#endif	/* !_POSIX_SOURCE */
-#define	F_GETLK  	7	/* Get record-locking information */
-#define	F_SETLK  	8	/* Set or Clear a record-lock (Non-Blocking) */
-#define	F_SETLKW 	9	/* Set or Clear a record-lock (Blocking) */
-#ifndef	_POSIX_SOURCE
-#define	F_RGETLK 	10	/* Test a remote lock to see if it is blocked */
-#define	F_RSETLK 	11	/* Set or unlock a remote lock */
-#define	F_CNVT 		12	/* Convert a fhandle to an open fd */
-#define	F_RSETLKW 	13	/* Set or Clear remote record-lock(Blocking) */
-#endif	/* !_POSIX_SOURCE */
-#ifdef __CYGWIN__
-#define	F_DUPFD_CLOEXEC	14	/* As F_DUPFD, but set close-on-exec flag */
-#endif
-
-/* fcntl(2) flags (l_type field of flock structure) */
-#define	F_RDLCK		1	/* read lock */
-#define	F_WRLCK		2	/* write lock */
-#define	F_UNLCK		3	/* remove lock(s) */
-#ifndef	_POSIX_SOURCE
-#define	F_UNLKSYS	4	/* remove remote locks for a given system */
-#endif	/* !_POSIX_SOURCE */
-
-#ifdef __CYGWIN__
-/* Special descriptor value to denote the cwd in calls to openat(2) etc. */
-#define AT_FDCWD -2
-
-/* Flag values for faccessat2) et al. */
-#define AT_EACCESS              1
-#define AT_SYMLINK_NOFOLLOW     2
-#define AT_SYMLINK_FOLLOW       4
-#define AT_REMOVEDIR            8
-#endif
-
-/*#include <sys/stdtypes.h>*/
-
-#ifndef __CYGWIN__
-/* file segment locking set data type - information passed to system by user */
-struct flock {
-	short	l_type;		/* F_RDLCK, F_WRLCK, or F_UNLCK */
-	short	l_whence;	/* flag to choose starting offset */
-	long	l_start;	/* relative offset, in bytes */
-	long	l_len;		/* length, in bytes; 0 means lock to EOF */
-	short	l_pid;		/* returned with F_GETLK */
-	short	l_xxx;		/* reserved for future use */
-};
-#endif /* __CYGWIN__ */
-
-#ifndef	_POSIX_SOURCE
-/* extended file segment locking set data type */
-struct eflock {
-	short	l_type;		/* F_RDLCK, F_WRLCK, or F_UNLCK */
-	short	l_whence;	/* flag to choose starting offset */
-	long	l_start;	/* relative offset, in bytes */
-	long	l_len;		/* length, in bytes; 0 means lock to EOF */
-	short	l_pid;		/* returned with F_GETLK */
-	short	l_xxx;		/* reserved for future use */
-	long	l_rpid;		/* Remote process id wanting this lock */
-	long	l_rsys;		/* Remote system id wanting this lock */
-};
-#endif	/* !_POSIX_SOURCE */
-
-
-#include <sys/types.h>
-#include <sys/stat.h>		/* sigh. for the mode bits for open/creat */
-
-extern int open _PARAMS ((const char *, int, ...));
-extern int creat _PARAMS ((const char *, mode_t));
-extern int fcntl _PARAMS ((int, int, ...));
-#ifdef __CYGWIN__
-#include <sys/time.h>
-extern int futimesat _PARAMS ((int, const char *, const struct timeval *));
-extern int openat _PARAMS ((int, const char *, int, ...));
-#endif
-
-/* Provide _<systemcall> prototypes for functions provided by some versions
-   of newlib.  */
-#ifdef _COMPILING_NEWLIB
-extern int _open _PARAMS ((const char *, int, ...));
-extern int _fcntl _PARAMS ((int, int, ...));
-#ifdef __LARGE64_FILES
-extern int _open64 _PARAMS ((const char *, int, ...));
-#endif
-#endif
-
-#ifdef __cplusplus
-}
-#endif
-#endif	/* !_SYS__DEFAULT_FCNTL_H_ */
diff --git a/system/include/sys/_types.h b/system/include/sys/_types.h
deleted file mode 100644
index 25252ed8..00000000
--- a/system/include/sys/_types.h
+++ /dev/null
@@ -1,87 +0,0 @@
-/* ANSI C namespace clean utility typedefs */
-
-/* This file defines various typedefs needed by the system calls that support
-   the C library.  Basically, they're just the POSIX versions with an '_'
-   prepended.  This file lives in the `sys' directory so targets can provide
-   their own if desired (or they can put target dependant conditionals here).
-*/
-
-#ifndef	_SYS__TYPES_H
-#define _SYS__TYPES_H
-
-#include <machine/_types.h>
-#include <sys/lock.h>
-
-#ifndef __off_t_defined
-typedef long _off_t;
-#endif
-
-#if defined(__rtems__)
-/* device numbers are 32-bit major and and 32-bit minor */
-typedef unsigned long long __dev_t;
-#else
-#ifndef __dev_t_defined
-typedef short __dev_t;
-#endif
-#endif
-
-#ifndef __uid_t_defined
-typedef unsigned short __uid_t;
-#endif
-#ifndef __gid_t_defined
-typedef unsigned short __gid_t;
-#endif
-
-#ifndef __off64_t_defined
-__extension__ typedef long long _off64_t;
-#endif
-
-/*
- * We need fpos_t for the following, but it doesn't have a leading "_",
- * so we use _fpos_t instead.
- */
-#ifndef __fpos_t_defined
-typedef long _fpos_t;		/* XXX must match off_t in <sys/types.h> */
-				/* (and must be `long' for now) */
-#endif
-
-#ifdef __LARGE64_FILES
-#ifndef __fpos64_t_defined
-typedef _off64_t _fpos64_t;
-#endif
-#endif
-
-#ifndef __ssize_t_defined
-#if defined(__INT_MAX__) && __INT_MAX__ == 2147483647
-typedef int _ssize_t;
-#else
-typedef long _ssize_t;
-#endif
-#endif
-
-#define __need_wint_t
-#include <stddef.h>
-
-#ifndef __mbstate_t_defined
-/* Conversion state information.  */
-typedef struct
-{
-  int __count;
-  union
-  {
-    wint_t __wch;
-    unsigned char __wchb[4];
-  } __value;		/* Value so far.  */
-} _mbstate_t;
-#endif
-
-#ifndef __flock_t_defined
-typedef _LOCK_RECURSIVE_T _flock_t;
-#endif
-
-#ifndef __iconv_t_defined
-/* Iconv descriptor type */
-typedef void *_iconv_t;
-#endif
-
-#endif	/* _SYS__TYPES_H */
diff --git a/system/include/sys/cdefs.h b/system/include/sys/cdefs.h
deleted file mode 100644
index f0b6a27b..00000000
--- a/system/include/sys/cdefs.h
+++ /dev/null
@@ -1,123 +0,0 @@
-/* libc/sys/linux/sys/cdefs.h - Helper macros for K&R vs. ANSI C compat. */
-
-/* Written 2000 by Werner Almesberger */
-
-/*
- * Copyright (c) 1991, 1993
- *	The Regents of the University of California.  All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Berkeley Software Design, 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. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *	This product includes software developed by the University of
- *	California, Berkeley and its contributors.
- * 4. 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.
- *
- *	@(#)cdefs.h	8.8 (Berkeley) 1/9/95
- * $FreeBSD: src/sys/sys/cdefs.h,v 1.54 2002/05/11 03:58:24 alfred Exp $
- */
-
-#ifndef _SYS_CDEFS_H
-#define _SYS_CDEFS_H
-
-#define __FBSDID(x) /* nothing */
-/*
- * Note: the goal here is not compatibility to K&R C. Since we know that we
- * have GCC which understands ANSI C perfectly well, we make use of this.
- */
-
-#define __P(args)	args
-#define __PMT(args)	args
-#define __const		const
-#define __signed	signed
-#define __volatile	volatile
-#define __DOTS    	, ...
-#define __THROW
-
-#define __ptr_t void *
-#define __long_double_t  long double
-
-#define __attribute_malloc__
-#define __attribute_pure__
-#define __attribute_format_strfmon__(a,b)
-#define __flexarr      [0]
-
-#ifdef  __cplusplus
-# define __BEGIN_DECLS  extern "C" {
-# define __END_DECLS    }
-#else
-# define __BEGIN_DECLS
-# define __END_DECLS
-#endif
-
-#ifndef __BOUNDED_POINTERS__
-# define __bounded      /* nothing */
-# define __unbounded    /* nothing */
-# define __ptrvalue     /* nothing */
-#endif
-
-#ifdef __GNUC__
-#define	__strong_reference(sym,aliassym)	\
-	extern __typeof (sym) aliassym __attribute__ ((__alias__ (#sym)));
-#ifdef __ELF__
-#ifdef __STDC__
-#define	__weak_reference(sym,alias)	\
-	__asm__(".weak " #alias);	\
-	__asm__(".equ "  #alias ", " #sym)
-#define	__warn_references(sym,msg)	\
-	__asm__(".section .gnu.warning." #sym);	\
-	__asm__(".asciz \"" msg "\"");	\
-	__asm__(".previous")
-#else
-#define	__weak_reference(sym,alias)	\
-	__asm__(".weak alias");		\
-	__asm__(".equ alias, sym")
-#define	__warn_references(sym,msg)	\
-	__asm__(".section .gnu.warning.sym"); \
-	__asm__(".asciz \"msg\"");	\
-	__asm__(".previous")
-#endif	/* __STDC__ */
-#else	/* !__ELF__ */
-#ifdef __STDC__
-#define	__weak_reference(sym,alias)	\
-	__asm__(".stabs \"_" #alias "\",11,0,0,0");	\
-	__asm__(".stabs \"_" #sym "\",1,0,0,0")
-#define	__warn_references(sym,msg)	\
-	__asm__(".stabs \"" msg "\",30,0,0,0");		\
-	__asm__(".stabs \"_" #sym "\",1,0,0,0")
-#else
-#define	__weak_reference(sym,alias)	\
-	__asm__(".stabs \"_/**/alias\",11,0,0,0");	\
-	__asm__(".stabs \"_/**/sym\",1,0,0,0")
-#define	__warn_references(sym,msg)	\
-	__asm__(".stabs msg,30,0,0,0");			\
-	__asm__(".stabs \"_/**/sym\",1,0,0,0")
-#endif	/* __STDC__ */
-#endif	/* __ELF__ */
-#endif	/* __GNUC__ */
-
-#endif /* _SYS_CDEFS_H */
diff --git a/system/include/sys/config.h b/system/include/sys/config.h
deleted file mode 100644
index 49c81f91..00000000
--- a/system/include/sys/config.h
+++ /dev/null
@@ -1,255 +0,0 @@
-#ifndef __SYS_CONFIG_H__
-#define __SYS_CONFIG_H__
-
-#include <machine/ieeefp.h>  /* floating point macros */
-#include <sys/features.h>	/* POSIX defs */
-
-/* exceptions first */
-#if defined(__H8500__) || defined(__W65__)
-#define __SMALL_BITFIELDS
-/* ???  This conditional is true for the h8500 and the w65, defining H8300
-   in those cases probably isn't the right thing to do.  */
-#define H8300 1
-#endif
-
-/* 16 bit integer machines */
-#if defined(__Z8001__) || defined(__Z8002__) || defined(__H8500__) || defined(__W65__) || defined (__mn10200__) || defined (__AVR__)
-
-#undef INT_MAX
-#undef UINT_MAX
-#define INT_MAX 32767
-#define UINT_MAX 65535
-#endif
-
-#if defined (__H8300__) || defined (__H8300H__) || defined(__H8300S__) || defined (__H8300SX__)
-#define __SMALL_BITFIELDS
-#define H8300 1
-#undef INT_MAX
-#undef UINT_MAX
-#define INT_MAX __INT_MAX__
-#define UINT_MAX (__INT_MAX__ * 2U + 1)
-#endif
-
-#if (defined(__CR16__) || defined(__CR16C__) ||defined(__CR16CP__))
-#ifndef __INT32__
-#define __SMALL_BITFIELDS      
-#undef INT_MAX
-#undef UINT_MAX
-#define INT_MAX 32767
-#define UINT_MAX (__INT_MAX__ * 2U + 1)
-#else /* INT32 */
-#undef INT_MAX
-#undef UINT_MAX
-#define INT_MAX 2147483647
-#define UINT_MAX (__INT_MAX__ * 2U + 1)
-#endif /* INT32 */
-
-#endif /* CR16C */
-
-#if defined (__xc16x__) || defined (__xc16xL__) || defined (__xc16xS__)
-#define __SMALL_BITFIELDS
-#endif
-
-#ifdef __W65__
-#define __SMALL_BITFIELDS
-#endif
-
-#if defined(__D10V__)
-#define __SMALL_BITFIELDS
-#undef INT_MAX
-#undef UINT_MAX
-#define INT_MAX __INT_MAX__
-#define UINT_MAX (__INT_MAX__ * 2U + 1)
-#define _POINTER_INT short
-#endif
-
-#if defined(__mc68hc11__) || defined(__mc68hc12__) || defined(__mc68hc1x__)
-#undef INT_MAX
-#undef UINT_MAX
-#define INT_MAX __INT_MAX__
-#define UINT_MAX (__INT_MAX__ * 2U + 1)
-#define _POINTER_INT short
-#endif
-
-#ifdef ___AM29K__
-#define _FLOAT_RET double
-#endif
-
-#ifdef __i386__
-#ifndef __unix__
-/* in other words, go32 */
-#define _FLOAT_RET double
-#endif
-#if defined(__linux__) || defined(__RDOS__)
-/* we want the reentrancy structure to be returned by a function */
-#define __DYNAMIC_REENT__
-#define HAVE_GETDATE
-#define _HAVE_SYSTYPES
-#define _READ_WRITE_RETURN_TYPE _ssize_t
-#define __LARGE64_FILES 1
-/* we use some glibc header files so turn on glibc large file feature */
-#define _LARGEFILE64_SOURCE 1
-#endif
-#endif
-
-#ifdef __mn10200__
-#define __SMALL_BITFIELDS
-#endif
-
-#ifdef __AVR__
-#define __SMALL_BITFIELDS
-#define _POINTER_INT short
-#endif
-
-#ifdef __v850
-#define __ATTRIBUTE_IMPURE_PTR__ __attribute__((__sda__))
-#endif
-
-/* For the PowerPC eabi, force the _impure_ptr to be in .sdata */
-#if defined(__PPC__)
-#if defined(_CALL_SYSV)
-#define __ATTRIBUTE_IMPURE_PTR__ __attribute__((__section__(".sdata")))
-#endif
-#ifdef __SPE__
-#define _LONG_DOUBLE double
-#endif
-#endif
-
-/* Configure small REENT structure for Xilinx MicroBlaze platforms */
-#if defined (__MICROBLAZE__)
-#ifndef _REENT_SMALL
-#define _REENT_SMALL
-#endif
-/* Xilinx XMK uses Unix98 mutex */
-#ifdef __XMK__
-#define _UNIX98_THREAD_MUTEX_ATTRIBUTES
-#endif
-#endif
-
-#if defined(__mips__) && !defined(__rtems__)
-#define __ATTRIBUTE_IMPURE_PTR__ __attribute__((__section__(".sdata")))
-#endif
-
-#ifdef __xstormy16__
-#define __SMALL_BITFIELDS
-#undef INT_MAX
-#undef UINT_MAX
-#define INT_MAX __INT_MAX__
-#define UINT_MAX (__INT_MAX__ * 2U + 1)
-#define MALLOC_ALIGNMENT 8
-#define _POINTER_INT short
-#define __BUFSIZ__ 16
-#define _REENT_SMALL
-#endif
-#ifdef __m32c__
-#define __SMALL_BITFIELDS
-#undef INT_MAX
-#undef UINT_MAX
-#define INT_MAX __INT_MAX__
-#define UINT_MAX (__INT_MAX__ * 2U + 1)
-#define MALLOC_ALIGNMENT 8
-#if defined(__r8c_cpu__) || defined(__m16c_cpu__)
-#define _POINTER_INT short
-#else
-#define _POINTER_INT long
-#endif
-#define __BUFSIZ__ 16
-#define _REENT_SMALL
-#endif /* __m32c__ */
-
-#ifdef __SPU__
-#define MALLOC_ALIGNMENT 16
-#define __CUSTOM_FILE_IO__
-#endif
-
-/* This block should be kept in sync with GCC's limits.h.  The point
-   of having these definitions here is to not include limits.h, which
-   would pollute the user namespace, while still using types of the
-   the correct widths when deciding how to define __int32_t and
-   __int64_t.  */
-#ifndef __INT_MAX__
-# ifdef INT_MAX
-#  define __INT_MAX__ INT_MAX
-# else
-#  define __INT_MAX__ 2147483647
-# endif
-#endif
-
-#ifndef __LONG_MAX__
-# ifdef LONG_MAX
-#  define __LONG_MAX__ LONG_MAX
-# else
-#  if defined (__alpha__) || (defined (__sparc__) && defined(__arch64__)) \
-      || defined (__sparcv9)
-#   define __LONG_MAX__ 9223372036854775807L
-#  else
-#   define __LONG_MAX__ 2147483647L
-#  endif /* __alpha__ || sparc64 */
-# endif
-#endif
-/* End of block that should be kept in sync with GCC's limits.h.  */
-
-#ifndef _POINTER_INT
-#define _POINTER_INT long
-#endif
-
-#ifdef __frv__
-#define __ATTRIBUTE_IMPURE_PTR__ __attribute__((__section__(".sdata")))
-#endif
-#undef __RAND_MAX
-#if __INT_MAX__ == 32767
-#define __RAND_MAX 32767
-#else
-#define __RAND_MAX 0x7fffffff
-#endif
-
-#if defined(__CYGWIN__)
-#include <cygwin/config.h>
-#if !defined (__STRICT_ANSI__) || (__STDC_VERSION__ >= 199901L)
-#define __USE_XOPEN2K 1
-#endif
-#endif
-
-#if defined(__rtems__)
-#define __FILENAME_MAX__ 255
-#define _READ_WRITE_RETURN_TYPE _ssize_t
-#endif
-
-#ifndef __EXPORT
-#define __EXPORT
-#endif
-
-#ifndef __IMPORT
-#define __IMPORT
-#endif
-
-/* Define return type of read/write routines.  In POSIX, the return type
-   for read()/write() is "ssize_t" but legacy newlib code has been using
-   "int" for some time.  If not specified, "int" is defaulted.  */
-#ifndef _READ_WRITE_RETURN_TYPE
-#define _READ_WRITE_RETURN_TYPE int
-#endif
-
-#ifndef __WCHAR_MAX__
-#if __INT_MAX__ == 32767 || defined (_WIN32)
-#define __WCHAR_MAX__ 0xffffu
-#endif
-#endif
-
-/* See if small reent asked for at configuration time and
-   is not chosen by the platform by default.  */
-#ifdef _WANT_REENT_SMALL
-#ifndef _REENT_SMALL
-#define _REENT_SMALL
-#endif
-#endif
-
-/* If _MB_EXTENDED_CHARSETS_ALL is set, we want all of the extended
-   charsets.  The extended charsets add a few functions and a couple
-   of tables of a few K each. */
-#ifdef _MB_EXTENDED_CHARSETS_ALL
-#define _MB_EXTENDED_CHARSETS_ISO 1
-#define _MB_EXTENDED_CHARSETS_WINDOWS 1
-#endif
-
-#endif /* __SYS_CONFIG_H__ */
diff --git a/system/include/sys/custom_file.h b/system/include/sys/custom_file.h
deleted file mode 100644
index 96314fb9..00000000
--- a/system/include/sys/custom_file.h
+++ /dev/null
@@ -1,2 +0,0 @@
-#error System-specific custom_file.h is missing.
-
diff --git a/system/include/sys/dir.h b/system/include/sys/dir.h
deleted file mode 100644
index 220150dc..00000000
--- a/system/include/sys/dir.h
+++ /dev/null
@@ -1,10 +0,0 @@
-/* BSD predecessor of POSIX.1 <dirent.h> and struct dirent */
-
-#ifndef _SYS_DIR_H_
-#define _SYS_DIR_H_
-
-#include <dirent.h>
-
-#define direct dirent
-
-#endif /*_SYS_DIR_H_*/
diff --git a/system/include/sys/dirent.h b/system/include/sys/dirent.h
deleted file mode 100644
index a3fb5c02..00000000
--- a/system/include/sys/dirent.h
+++ /dev/null
@@ -1,13 +0,0 @@
-/* <dirent.h> includes <sys/dirent.h>, which is this file.  On a
-   system which supports <dirent.h>, this file is overridden by
-   dirent.h in the libc/sys/.../sys directory.  On a system which does
-   not support <dirent.h>, we will get this file which uses #error to force
-   an error.  */
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-#error "<dirent.h> not supported"
-#ifdef __cplusplus
-}
-#endif
diff --git a/system/include/sys/errno.h b/system/include/sys/errno.h
deleted file mode 100644
index ac45fbc5..00000000
--- a/system/include/sys/errno.h
+++ /dev/null
@@ -1,190 +0,0 @@
-/* errno is not a global variable, because that would make using it
-   non-reentrant.  Instead, its address is returned by the function
-   __errno.  */
-
-#ifndef _SYS_ERRNO_H_
-#ifdef __cplusplus
-extern "C" {
-#endif
-#define _SYS_ERRNO_H_
-
-#include <sys/reent.h>
-
-#ifndef _REENT_ONLY
-#define errno (*__errno())
-extern int *__errno _PARAMS ((void));
-#endif
-
-/* Please don't use these variables directly.
-   Use strerror instead. */
-extern __IMPORT _CONST char * _CONST _sys_errlist[];
-extern __IMPORT int _sys_nerr;
-#ifdef __CYGWIN__
-extern __IMPORT const char * const sys_errlist[];
-extern __IMPORT int sys_nerr;
-#endif
-
-#define __errno_r(ptr) ((ptr)->_errno)
-
-#define	EPERM 1		/* Not super-user */
-#define	ENOENT 2	/* No such file or directory */
-#define	ESRCH 3		/* No such process */
-#define	EINTR 4		/* Interrupted system call */
-#define	EIO 5		/* I/O error */
-#define	ENXIO 6		/* No such device or address */
-#define	E2BIG 7		/* Arg list too long */
-#define	ENOEXEC 8	/* Exec format error */
-#define	EBADF 9		/* Bad file number */
-#define	ECHILD 10	/* No children */
-#define	EAGAIN 11	/* No more processes */
-#define	ENOMEM 12	/* Not enough core */
-#define	EACCES 13	/* Permission denied */
-#define	EFAULT 14	/* Bad address */
-#ifdef __LINUX_ERRNO_EXTENSIONS__
-#define	ENOTBLK 15	/* Block device required */
-#endif
-#define	EBUSY 16	/* Mount device busy */
-#define	EEXIST 17	/* File exists */
-#define	EXDEV 18	/* Cross-device link */
-#define	ENODEV 19	/* No such device */
-#define	ENOTDIR 20	/* Not a directory */
-#define	EISDIR 21	/* Is a directory */
-#define	EINVAL 22	/* Invalid argument */
-#define	ENFILE 23	/* Too many open files in system */
-#define	EMFILE 24	/* Too many open files */
-#define	ENOTTY 25	/* Not a typewriter */
-#define	ETXTBSY 26	/* Text file busy */
-#define	EFBIG 27	/* File too large */
-#define	ENOSPC 28	/* No space left on device */
-#define	ESPIPE 29	/* Illegal seek */
-#define	EROFS 30	/* Read only file system */
-#define	EMLINK 31	/* Too many links */
-#define	EPIPE 32	/* Broken pipe */
-#define	EDOM 33		/* Math arg out of domain of func */
-#define	ERANGE 34	/* Math result not representable */
-#define	ENOMSG 35	/* No message of desired type */
-#define	EIDRM 36	/* Identifier removed */
-#ifdef __LINUX_ERRNO_EXTENSIONS__
-#define	ECHRNG 37	/* Channel number out of range */
-#define	EL2NSYNC 38	/* Level 2 not synchronized */
-#define	EL3HLT 39	/* Level 3 halted */
-#define	EL3RST 40	/* Level 3 reset */
-#define	ELNRNG 41	/* Link number out of range */
-#define	EUNATCH 42	/* Protocol driver not attached */
-#define	ENOCSI 43	/* No CSI structure available */
-#define	EL2HLT 44	/* Level 2 halted */
-#endif
-#define	EDEADLK 45	/* Deadlock condition */
-#define	ENOLCK 46	/* No record locks available */
-#ifdef __LINUX_ERRNO_EXTENSIONS__
-#define EBADE 50	/* Invalid exchange */
-#define EBADR 51	/* Invalid request descriptor */
-#define EXFULL 52	/* Exchange full */
-#define ENOANO 53	/* No anode */
-#define EBADRQC 54	/* Invalid request code */
-#define EBADSLT 55	/* Invalid slot */
-#define EDEADLOCK 56	/* File locking deadlock error */
-#define EBFONT 57	/* Bad font file fmt */
-#endif
-#define ENOSTR 60	/* Device not a stream */
-#define ENODATA 61	/* No data (for no delay io) */
-#define ETIME 62	/* Timer expired */
-#define ENOSR 63	/* Out of streams resources */
-#ifdef __LINUX_ERRNO_EXTENSIONS__
-#define ENONET 64	/* Machine is not on the network */
-#define ENOPKG 65	/* Package not installed */
-#define EREMOTE 66	/* The object is remote */
-#endif
-#define ENOLINK 67	/* The link has been severed */
-#ifdef __LINUX_ERRNO_EXTENSIONS__
-#define EADV 68		/* Advertise error */
-#define ESRMNT 69	/* Srmount error */
-#define	ECOMM 70	/* Communication error on send */
-#endif
-#define EPROTO 71	/* Protocol error */
-#define	EMULTIHOP 74	/* Multihop attempted */
-#ifdef __LINUX_ERRNO_EXTENSIONS__
-#define	ELBIN 75	/* Inode is remote (not really error) */
-#define	EDOTDOT 76	/* Cross mount point (not really error) */
-#endif
-#define EBADMSG 77	/* Trying to read unreadable message */
-#define EFTYPE 79	/* Inappropriate file type or format */
-#ifdef __LINUX_ERRNO_EXTENSIONS__
-#define ENOTUNIQ 80	/* Given log. name not unique */
-#define EBADFD 81	/* f.d. invalid for this operation */
-#define EREMCHG 82	/* Remote address changed */
-#define ELIBACC 83	/* Can't access a needed shared lib */
-#define ELIBBAD 84	/* Accessing a corrupted shared lib */
-#define ELIBSCN 85	/* .lib section in a.out corrupted */
-#define ELIBMAX 86	/* Attempting to link in too many libs */
-#define ELIBEXEC 87	/* Attempting to exec a shared library */
-#endif