/*
 *  Written by Joel Sherrill <joel@OARcorp.com>.
 *
 *  COPYRIGHT (c) 1989-2014.
 *
 *  On-Line Applications Research Corporation (OAR).
 *
 *  Permission to use, copy, modify, and distribute this software for any
 *  purpose without fee is hereby granted, provided that this entire notice
 *  is included in all copies of any software which is or includes a copy
 *  or modification of this software.
 *
 *  THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED
 *  WARRANTY.  IN PARTICULAR,  THE AUTHOR MAKES NO REPRESENTATION
 *  OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY OF THIS
 *  SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
 *
 *  $Id$
 */

#ifndef _SYS_FEATURES_H
#define _SYS_FEATURES_H

#ifdef __cplusplus
extern "C" {
#endif

#include <_newlib_version.h>

/* Macro to test version of GCC.  Returns 0 for non-GCC or too old GCC. */
#ifndef __GNUC_PREREQ

	# if defined __GNUC__ && defined __GNUC_MINOR__
		#  define __GNUC_PREREQ(maj, min) \
			((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
	# else
		#  define __GNUC_PREREQ(maj, min) 	0
	# endif

#endif /* __GNUC_PREREQ */

/* Version with trailing underscores for BSD compatibility. */
#define	__GNUC_PREREQ__(ma, mi)	__GNUC_PREREQ(ma, mi)


/*
 * Feature test macros control which symbols are exposed by the system
 * headers.  Any of these must be defined before including any headers.
 *
 * __STRICT_ANSI__ (defined by gcc -ansi, -std=c90, -std=c99, or -std=c11)
 *	ISO C
 *
 * _POSIX_SOURCE (deprecated by _POSIX_C_SOURCE=1)
 * _POSIX_C_SOURCE >= 1
 * 	POSIX.1-1990
 *
 * _POSIX_C_SOURCE >= 2
 * 	POSIX.2-1992
 *
 * _POSIX_C_SOURCE >= 199309L
 * 	POSIX.1b-1993 Real-time extensions
 *
 * _POSIX_C_SOURCE >= 199506L
 * 	POSIX.1c-1995 Threads extensions
 *
 * _POSIX_C_SOURCE >= 200112L
 * 	POSIX.1-2001 and C99
 *
 * _POSIX_C_SOURCE >= 200809L
 * 	POSIX.1-2008
 *
 * _XOPEN_SOURCE
 *	POSIX.1-1990 and XPG4
 *
 * _XOPEN_SOURCE_EXTENDED
 *	SUSv1 (POSIX.2-1992 plus XPG4v2)
 *
 * _XOPEN_SOURCE >= 500
 *	SUSv2 (POSIX.1c-1995 plus XSI)
 *
 * _XOPEN_SOURCE >= 600
 *	SUSv3 (POSIX.1-2001 plus XSI) and C99
 *
 * _XOPEN_SOURCE >= 700
 *	SUSv4 (POSIX.1-2008 plus XSI)
 *
 * _ISOC99_SOURCE or gcc -std=c99 or g++
 * 	ISO C99
 *
 * _ISOC11_SOURCE or gcc -std=c11 or g++ -std=c++11
 * 	ISO C11
 *
 * _ATFILE_SOURCE (implied by _POSIX_C_SOURCE >= 200809L)
 *	"at" functions
 *
 * _LARGEFILE_SOURCE (deprecated by _XOPEN_SOURCE >= 500)
 *	fseeko, ftello
 *
 * _GNU_SOURCE
 * 	All of the above plus GNU extensions
 *
 * _BSD_SOURCE (deprecated by _DEFAULT_SOURCE)
 * _SVID_SOURCE (deprecated by _DEFAULT_SOURCE)
 * _DEFAULT_SOURCE (or none of the above)
 * 	POSIX-1.2008 with BSD and SVr4 extensions
 *
 * _FORTIFY_SOURCE = 1 or 2
 * 	Object Size Checking function wrappers
 */
//#ifndef _GNU_SOURCE
#define _GNU_SOURCE  //note: this is the location of the previous definition
//#endif

//#ifdef _GNU_SOURCE
	#undef _ATFILE_SOURCE
	#define	_ATFILE_SOURCE				1

	#undef	_DEFAULT_SOURCE
	#define	_DEFAULT_SOURCE				1

	#undef _ISOC99_SOURCE
	#define	_ISOC99_SOURCE				1

	#undef _ISOC11_SOURCE
	#define	_ISOC11_SOURCE				0   // 1

	#undef _POSIX_SOURCE
	#define	_POSIX_SOURCE				1

	#undef _POSIX_C_SOURCE
	#define	_POSIX_C_SOURCE				200809L

	#undef _XOPEN_SOURCE
	#define	_XOPEN_SOURCE				700

	#undef _XOPEN_SOURCE_EXTENDED
	#define	_XOPEN_SOURCE_EXTENDED		1

//#endif /* _GNU_SOURCE */

//#if defined(_BSD_SOURCE) || defined(_SVID_SOURCE) || \
//   (	\
//	!defined(__STRICT_ANSI__) && !defined(_ANSI_SOURCE) && \
//    !defined(_ISOC99_SOURCE) && !defined(_POSIX_SOURCE) && \
//    !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)		\
//   )
//
//	#undef _DEFAULT_SOURCE
//	#define	_DEFAULT_SOURCE		1
//#endif

//#if defined(_DEFAULT_SOURCE)
//	#undef _POSIX_SOURCE
//	#define	_POSIX_SOURCE		1
//	#undef _POSIX_C_SOURCE
//	#define	_POSIX_C_SOURCE		200809L
//#endif

//#if !defined(_POSIX_SOURCE) && !defined(_POSIX_C_SOURCE) && \
//  ((!defined(__STRICT_ANSI__) && !defined(_ANSI_SOURCE)) || \
//   (_XOPEN_SOURCE - 0) >= 500)
//	#define	_POSIX_SOURCE		1
//
//	#if !defined(_XOPEN_SOURCE) || (_XOPEN_SOURCE - 0) >= 700
//		#define	_POSIX_C_SOURCE		200809L
//	#elif (_XOPEN_SOURCE - 0) >= 600
//		#define	_POSIX_C_SOURCE		200112L
//	#elif (_XOPEN_SOURCE - 0) >= 500
//		#define	_POSIX_C_SOURCE		199506L
//	#elif (_XOPEN_SOURCE - 0) < 500
//		#define	_POSIX_C_SOURCE		2
//	#endif
//#endif

//#if defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE >= 200809
//	#undef _ATFILE_SOURCE
//	#define	_ATFILE_SOURCE		1
//#endif

/*
 * The following private macros are used throughout the headers to control
 * which symbols should be exposed.  They are for internal use only, as
 * indicated by the leading double underscore, and must never be used outside
 * of these headers.
 *
 * __POSIX_VISIBLE
 * 	any version of POSIX.1; enabled by default, or with _POSIX_SOURCE,
 * 	any value of _POSIX_C_SOURCE, or _XOPEN_SOURCE >= 500.
 *
 * __POSIX_VISIBLE >= 2
 * 	POSIX.2-1992; enabled by default, with _POSIX_C_SOURCE >= 2,
 * 	or _XOPEN_SOURCE >= 500.
 *
 * __POSIX_VISIBLE >= 199309
 * 	POSIX.1b-1993; enabled by default, with _POSIX_C_SOURCE >= 199309L,
 * 	or _XOPEN_SOURCE >= 500.
 *
 * __POSIX_VISIBLE >= 199506
 * 	POSIX.1c-1995; enabled by default, with _POSIX_C_SOURCE >= 199506L,
 * 	or _XOPEN_SOURCE >= 500.
 *
 * __POSIX_VISIBLE >= 200112
 * 	POSIX.1-2001; enabled by default, with _POSIX_C_SOURCE >= 200112L,
 * 	or _XOPEN_SOURCE >= 600.
 *
 * __POSIX_VISIBLE >= 200809
 * 	POSIX.1-2008; enabled by default, with _POSIX_C_SOURCE >= 200809L,
 * 	or _XOPEN_SOURCE >= 700.
 *
 * __XSI_VISIBLE
 *	XPG4 XSI extensions; enabled with any version of _XOPEN_SOURCE.
 *
 * __XSI_VISIBLE >= 4
 *	SUSv1 XSI extensions; enabled with both _XOPEN_SOURCE and
 * 	_XOPEN_SOURCE_EXTENDED together.
 *
 * __XSI_VISIBLE >= 500
 *	SUSv2 XSI extensions; enabled with _XOPEN_SOURCE >= 500.
 *
 * __XSI_VISIBLE >= 600
 *	SUSv3 XSI extensions; enabled with _XOPEN_SOURCE >= 600.
 *
 * __XSI_VISIBLE >= 700
 *	SUSv4 XSI extensions; enabled with _XOPEN_SOURCE >= 700.
 *
 * __ISO_C_VISIBLE >= 1999
 * 	ISO C99; enabled with gcc -std=c99 or newer (on by default since GCC 5),
 * 	any version of C++, or with _ISOC99_SOURCE, _POSIX_C_SOURCE >= 200112L,
 * 	or _XOPEN_SOURCE >= 600.
 *
 * __ISO_C_VISIBLE >= 2011
 * 	ISO C11; enabled with gcc -std=c11 or newer (on by default since GCC 5),
 * 	g++ -std=c++11 or newer (on by default since GCC 6), or with
 * 	_ISOC11_SOURCE.
 *
 * __ATFILE_VISIBLE
 *	"at" functions; enabled by default, with _ATFILE_SOURCE,
 * 	_POSIX_C_SOURCE >= 200809L, or _XOPEN_SOURCE >= 700.
 *
 * __LARGEFILE_VISIBLE
 *	fseeko, ftello; enabled with _LARGEFILE_SOURCE or _XOPEN_SOURCE >= 500.
 *
 * __BSD_VISIBLE
 * 	BSD extensions; enabled by default, or with _BSD_SOURCE.
 *
 * __SVID_VISIBLE
 * 	SVr4 extensions; enabled by default, or with _SVID_SOURCE.
 *
 * __MISC_VISIBLE
 * 	Extensions found in both BSD and SVr4 (shorthand for
 * 	(__BSD_VISIBLE || __SVID_VISIBLE)), or newlib-specific
 * 	extensions; enabled by default.
 *
 * __GNU_VISIBLE
 * 	GNU extensions; enabled with _GNU_SOURCE.
 *
 * __SSP_FORTIFY_LEVEL
 * 	Object Size Checking; defined to 0 (off), 1, or 2.
 *
 * In all cases above, "enabled by default" means either by defining
 * _DEFAULT_SOURCE, or by not defining any of the public feature test macros.
 */

//#ifdef _ATFILE_SOURCE
#define	__ATFILE_VISIBLE	1
//#else
//#define	__ATFILE_VISIBLE	0
//#endif

//#ifdef _DEFAULT_SOURCE
#define	__BSD_VISIBLE		1
//#else
//#define	__BSD_VISIBLE		0
//#endif

//#ifdef _GNU_SOURCE
	#define	__GNU_VISIBLE		1
//#else
//	#define	__GNU_VISIBLE		0
//#endif

//#if defined(_ISOC11_SOURCE) || \
//  (__STDC_VERSION__ - 0) >= 201112L || (__cplusplus - 0) >= 201103L
//	#define	__ISO_C_VISIBLE		2011
//#elif defined(_ISOC99_SOURCE) || (_POSIX_C_SOURCE - 0) >= 200112L || \
//  (__STDC_VERSION__ - 0) >= 199901L || defined(__cplusplus)
	#define	__ISO_C_VISIBLE		1999
//#else
//	#define	__ISO_C_VISIBLE		1990
//#endif

//#if defined(_LARGEFILE_SOURCE) || (_XOPEN_SOURCE - 0) >= 500
	#define	__LARGEFILE_VISIBLE		1
//#else
//	#define	__LARGEFILE_VISIBLE		0
//#endif

//#ifdef _DEFAULT_SOURCE
#define	__MISC_VISIBLE			1
//#else
//#define	__MISC_VISIBLE		0
//#endif

//#if (_POSIX_C_SOURCE - 0) >= 200809L
	#define	__POSIX_VISIBLE		200809
//#elif (_POSIX_C_SOURCE - 0) >= 200112L
//	#define	__POSIX_VISIBLE		200112
//#elif (_POSIX_C_SOURCE - 0) >= 199506L
//	#define	__POSIX_VISIBLE		199506
//#elif (_POSIX_C_SOURCE - 0) >= 199309L
//	#define	__POSIX_VISIBLE		199309
//#elif (_POSIX_C_SOURCE - 0) >= 2 || defined(_XOPEN_SOURCE)
//	#define	__POSIX_VISIBLE		199209
//#elif defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE)
//	#define	__POSIX_VISIBLE		199009
//#else
//	#define	__POSIX_VISIBLE		0
//#endif

//#ifdef _DEFAULT_SOURCE
	#define	__SVID_VISIBLE		1
//#else
//	#define	__SVID_VISIBLE		0
//#endif

//#if (_XOPEN_SOURCE - 0) >= 700
	#define	__XSI_VISIBLE		700
//#elif (_XOPEN_SOURCE - 0) >= 600
//	#define	__XSI_VISIBLE		600
//#elif (_XOPEN_SOURCE - 0) >= 500
//	#define	__XSI_VISIBLE		500
//#elif defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)
//	#define	__XSI_VISIBLE		4
//#elif defined(_XOPEN_SOURCE)
//	#define	__XSI_VISIBLE		1
//#else
//	#define	__XSI_VISIBLE		0
//#endif

//#if _FORTIFY_SOURCE > 0 && !defined(__cplusplus) && !defined(__lint__) && \
//   (__OPTIMIZE__ > 0 || defined(__clang__)) && __GNUC_PREREQ__(4, 1)
//#  if _FORTIFY_SOURCE > 1
//#    define __SSP_FORTIFY_LEVEL 2
//#  else
//#    define __SSP_FORTIFY_LEVEL 1
//#  endif
//#else
#  define __SSP_FORTIFY_LEVEL 0
//#endif

///* RTEMS adheres to POSIX -- 1003.1b with some features from annexes.  */
//
//#ifdef __rtems__
//
//#define _POSIX_JOB_CONTROL     		1
//#define _POSIX_SAVED_IDS       		1
//#define _POSIX_VERSION				199309L
//#define _POSIX_ASYNCHRONOUS_IO		1
//#define _POSIX_FSYNC					1
//#define _POSIX_MAPPED_FILES			1
//#define _POSIX_MEMLOCK				1
//#define _POSIX_MEMLOCK_RANGE			1
//#define _POSIX_MEMORY_PROTECTION		1
//#define _POSIX_MESSAGE_PASSING		1
//#define _POSIX_MONOTONIC_CLOCK		200112L
//#define _POSIX_CLOCK_SELECTION		200112L
//#define _POSIX_PRIORITIZED_IO			1
//#define _POSIX_PRIORITY_SCHEDULING	1
//#define _POSIX_REALTIME_SIGNALS		1
//#define _POSIX_SEMAPHORES				1
//#define _POSIX_SHARED_MEMORY_OBJECTS	1
//#define _POSIX_SYNCHRONIZED_IO		1
//#define _POSIX_TIMERS					1
//#define _POSIX_BARRIERS                 200112L
//#define _POSIX_READER_WRITER_LOCKS      200112L
//#define _POSIX_SPIN_LOCKS               200112L
//
//
///* In P1003.1b but defined by drafts at least as early as P1003.1c/D10  */
//#define _POSIX_THREADS					1
//#define _POSIX_THREAD_ATTR_STACKADDR		1
//#define _POSIX_THREAD_ATTR_STACKSIZE		1
//#define _POSIX_THREAD_PRIORITY_SCHEDULING	1
//#define _POSIX_THREAD_PRIO_INHERIT		1
//#define _POSIX_THREAD_PRIO_PROTECT		1
//#define _POSIX_THREAD_PROCESS_SHARED		1
//#define _POSIX_THREAD_SAFE_FUNCTIONS		1
//
///* P1003.4b/D8 defines the constants below this comment. */
//#define _POSIX_SPAWN						1
//#define _POSIX_TIMEOUTS					1
//#define _POSIX_CPUTIME					1
//#define _POSIX_THREAD_CPUTIME				1
//#define _POSIX_SPORADIC_SERVER			1
//#define _POSIX_THREAD_SPORADIC_SERVER		1
//#define _POSIX_DEVICE_CONTROL				1
//#define _POSIX_DEVCTL_DIRECTION			1
//#define _POSIX_INTERRUPT_CONTROL			1
//#define _POSIX_ADVISORY_INFO				1
//
///* UNIX98 added some new pthread mutex attributes */
//#define _UNIX98_THREAD_MUTEX_ATTRIBUTES         1
//
///* POSIX 1003.26-2003 defined device control method */
//#define _POSIX_26_VERSION			200312L
//
//#endif

///* XMK loosely adheres to POSIX -- 1003.1 */
//#ifdef __XMK__
//	#define _POSIX_THREADS				1
//	#define _POSIX_THREAD_PRIORITY_SCHEDULING	1
//#endif


//#ifdef __svr4__
//	# define _POSIX_JOB_CONTROL     1
//	# define _POSIX_SAVED_IDS       1
//	# define _POSIX_VERSION 199009L
//#endif

//#ifdef __CYGWIN__
//
//	#if __POSIX_VISIBLE >= 200809
//		#define _POSIX_VERSION				200809L
//		#define _POSIX2_VERSION				200809L
//	#elif __POSIX_VISIBLE >= 200112
//		#define _POSIX_VERSION				200112L
//		#define _POSIX2_VERSION				200112L
//	#elif __POSIX_VISIBLE >= 199506
//		#define _POSIX_VERSION				199506L
//		#define _POSIX2_VERSION				199506L
//	#elif __POSIX_VISIBLE >= 199309
//		#define _POSIX_VERSION				199309L
//		#define _POSIX2_VERSION				199209L
//	#elif __POSIX_VISIBLE >= 199209
//		#define _POSIX_VERSION				199009L
//		#define _POSIX2_VERSION				199209L
//	#elif __POSIX_VISIBLE
//		#define _POSIX_VERSION				199009L
//		#endif
//	#if __XSI_VISIBLE >= 4
//		#define _XOPEN_VERSION				__XSI_VISIBLE
//	#endif
//
//	#define _POSIX_ADVISORY_INFO			200809L
//	#define _POSIX_ASYNCHRONOUS_IO			200809L
//	#define _POSIX_BARRIERS					200809L
//	#define _POSIX_CHOWN_RESTRICTED			     1
//	#define _POSIX_CLOCK_SELECTION			200809L
//	#define _POSIX_CPUTIME					200809L
//	#define _POSIX_FSYNC					200809L
//	#define _POSIX_IPV6						200809L
//	#define _POSIX_JOB_CONTROL			     1
//	#define _POSIX_MAPPED_FILES				200809L
//	/* #define _POSIX_MEMLOCK			    -1 */
//	#define _POSIX_MEMLOCK_RANGE			200809L
//	#define _POSIX_MEMORY_PROTECTION		200809L
//	#define _POSIX_MESSAGE_PASSING			200809L
//	#define _POSIX_MONOTONIC_CLOCK			200809L
//	#define _POSIX_NO_TRUNC				     1
//	/* #define _POSIX_PRIORITIZED_IO		    -1 */
//	#define _POSIX_PRIORITY_SCHEDULING		200809L
//	#define _POSIX_RAW_SOCKETS				200809L
//	#define _POSIX_READER_WRITER_LOCKS		200809L
//	#define _POSIX_REALTIME_SIGNALS			200809L
//	#define _POSIX_REGEXP				     1
//	#define _POSIX_SAVED_IDS			     1
//	#define _POSIX_SEMAPHORES				200809L
//	#define _POSIX_SHARED_MEMORY_OBJECTS		200809L
//	#define _POSIX_SHELL				     1
//	#define _POSIX_SPAWN					200809L
//	#define _POSIX_SPIN_LOCKS				200809L
//	/* #define _POSIX_SPORADIC_SERVER		    -1 */
//	#define _POSIX_SYNCHRONIZED_IO			200809L
//	#define _POSIX_THREAD_ATTR_STACKADDR		200809L
//	#define _POSIX_THREAD_ATTR_STACKSIZE		200809L
//	#define _POSIX_THREAD_CPUTIME			200809L
//	/* #define _POSIX_THREAD_PRIO_INHERIT		    -1 */
//	/* #define _POSIX_THREAD_PRIO_PROTECT		    -1 */
//	#define _POSIX_THREAD_PRIORITY_SCHEDULING	200809L
//	#define _POSIX_THREAD_PROCESS_SHARED		200809L
//	#define _POSIX_THREAD_SAFE_FUNCTIONS		200809L
//	/* #define _POSIX_THREAD_SPORADIC_SERVER	    -1 */
//	#define _POSIX_THREADS				200809L
//	#define _POSIX_TIMEOUTS				200809L
//	#define _POSIX_TIMERS				200809L
//	/* #define _POSIX_TRACE				    -1 */
//	/* #define _POSIX_TRACE_EVENT_FILTER		    -1 */
//	/* #define _POSIX_TRACE_INHERIT			    -1 */
//	/* #define _POSIX_TRACE_LOG			    -1 */
//	/* #define _POSIX_TYPED_MEMORY_OBJECTS		    -1 */
//	#define _POSIX_VDISABLE				   '\0'
//
//	#if __POSIX_VISIBLE >= 2
//	#define _POSIX2_C_VERSION			_POSIX2_VERSION
//	#define _POSIX2_C_BIND				_POSIX2_VERSION
//	#define _POSIX2_C_DEV				_POSIX2_VERSION
//	#define _POSIX2_CHAR_TERM			_POSIX2_VERSION
//	/* #define _POSIX2_FORT_DEV			    -1 */
//	/* #define _POSIX2_FORT_RUN			    -1 */
//	/* #define _POSIX2_LOCALEDEF			    -1 */
//	/* #define _POSIX2_PBS				    -1 */
//	/* #define _POSIX2_PBS_ACCOUNTING		    -1 */
//	/* #define _POSIX2_PBS_CHECKPOINT		    -1 */
//	/* #define _POSIX2_PBS_LOCATE			    -1 */
//	/* #define _POSIX2_PBS_MESSAGE			    -1 */
//	/* #define _POSIX2_PBS_TRACK			    -1 */
//	#define _POSIX2_SW_DEV				_POSIX2_VERSION
//	#define _POSIX2_UPE				_POSIX2_VERSION
//	#endif /* __POSIX_VISIBLE >= 2 */
//
//	#define _POSIX_V6_ILP32_OFF32			    -1
//	#ifdef __LP64__
//	#define _POSIX_V6_ILP32_OFFBIG			    -1
//	#define _POSIX_V6_LP64_OFF64			     1
//	#define _POSIX_V6_LPBIG_OFFBIG			     1
//	#else
//	#define _POSIX_V6_ILP32_OFFBIG			     1
//	#define _POSIX_V6_LP64_OFF64			    -1
//	#define _POSIX_V6_LPBIG_OFFBIG			    -1
//	#endif
//	#define _POSIX_V7_ILP32_OFF32			_POSIX_V6_ILP32_OFF32
//	#define _POSIX_V7_ILP32_OFFBIG			_POSIX_V6_ILP32_OFFBIG
//	#define _POSIX_V7_LP64_OFF64			_POSIX_V6_LP64_OFF64
//	#define _POSIX_V7_LPBIG_OFFBIG			_POSIX_V6_LPBIG_OFFBIG
//	#define _XBS5_ILP32_OFF32			_POSIX_V6_ILP32_OFF32
//	#define _XBS5_ILP32_OFFBIG			_POSIX_V6_ILP32_OFFBIG
//	#define _XBS5_LP64_OFF64			_POSIX_V6_LP64_OFF64
//	#define _XBS5_LPBIG_OFFBIG			_POSIX_V6_LPBIG_OFFBIG
//
//	#if __XSI_VISIBLE
//		#define _XOPEN_CRYPT				     1
//		#define _XOPEN_ENH_I18N				     1
//		/* #define _XOPEN_LEGACY			    -1 */
//		/* #define _XOPEN_REALTIME			    -1 */
//		/* #define _XOPEN_REALTIME_THREADS		    -1 */
//	#define _XOPEN_SHM				     1
//		/* #define _XOPEN_STREAMS			    -1 */
//		/* #define _XOPEN_UNIX				    -1 */
//	#endif /* __XSI_VISIBLE */
//
///*
// * newlib's wide char conversion functions were updated on
// *	2019-01-12
// * to UNICODE version:
// *	11.0.0 released 2018-06-05
// */
//#define __STDC_ISO_10646__ 201806L
//
//#endif /* __CYGWIN__ */

#ifdef __cplusplus
}
#endif

#endif /* _SYS_FEATURES_H */