text: /*	$NetBSD: cdefs.h,v 1.135 2017/12/26 17:08:56 christos Exp $	*/
  
  /* * 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. 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
   */
  
  #ifndef	_SYS_CDEFS_H_
  #define	_SYS_CDEFS_H_
  
  #ifdef _KERNEL_OPT
  #include "opt_diagnostic.h"
  #endif
  
  /*
   * Macro to test if we're using a GNU C compiler of a specific vintage
   * or later, for e.g. features that appeared in a particular version
   * of GNU C.  Usage:
   *
   *	#if __GNUC_PREREQ__(major, minor)
   *	...cool feature...
   *	#else
   *	...delete feature...
   *	#endif
   */
  #ifdef __GNUC__
  #define	__GNUC_PREREQ__(x, y)						\
  	((__GNUC__ == (x) && __GNUC_MINOR__ >= (y)) ||			\
  	 (__GNUC__ > (x)))
  #else
  #define	__GNUC_PREREQ__(x, y)	0
  #endif
  
  #include <machine/cdefs.h>
  #ifdef __ELF__
  #include <sys/cdefs_elf.h>
  #else
  #include <sys/cdefs_aout.h>
  #endif
  
  //#ifdef __GNUC__
  //#define	__strict_weak_alias(alias,sym)                          \
  //	__unused static __typeof__(alias) *__weak_alias_##alias = &sym;	\
  //	__weak_alias(alias,sym)
  //#else
  //#define	__strict_weak_alias(alias,sym) __weak_alias(alias,sym)
  //#endif
  
  /*
   * Optional marker for size-optimised MD calling convention.
   */
  #ifndef __compactcall
  #define	__compactcall
  #endif
  
  /*
   * The __CONCAT macro is used to concatenate parts of symbol names, e.g.
   * with "#define OLD(foo) __CONCAT(old,foo)", OLD(foo) produces oldfoo.
   * The __CONCAT macro is a bit tricky -- make sure you don't put spaces
   * in between its arguments.  __CONCAT can also concatenate double-quoted
   * strings produced by the __STRING macro, but this only works with ANSI C.
   */
  
  #define	___STRING(x)	__STRING(x)
  #define	___CONCAT(x,y)	__CONCAT(x,y)
  
  #if __STDC__ || defined(__cplusplus)
  #define	__P(protos)	protos		/* full-blown ANSI C */
  #define	__CONCAT(x,y)	x ## y
  #define	__STRING(x)	#x
  
  #define	__const		const		/* define reserved names to standard */
  #define	__signed	signed
  #define	__volatile	volatile
  #if defined(__cplusplus) || defined(__PCC__)
  #define	__inline	inline		/* convert to C++/C99 keyword */
  #else
  #if !defined(__GNUC__) && !defined(__lint__)
  #define	__inline			/* delete GCC keyword */
  #endif /* !__GNUC__  && !__lint__ */
  #endif /* !__cplusplus */
  
  #else	/* !(__STDC__ || __cplusplus) */
  #define	__P(protos)	()		/* traditional C preprocessor */
  #define	__CONCAT(x,y)	x/**/y
  #define	__STRING(x)	"x"
  
  #ifndef __GNUC__
  #define	__const				/* delete pseudo-ANSI C keywords */
  #define	__inline
  #define	__signed
  #define	__volatile
  #endif	/* !__GNUC__ */
  
  /*
   * In non-ANSI C environments, new programs will want ANSI-only C keywords
   * deleted from the program and old programs will want them left alone.
   * Programs using the ANSI C keywords const, inline etc. as normal
   * identifiers should define -DNO_ANSI_KEYWORDS.
   */
  #ifndef	NO_ANSI_KEYWORDS
  #define	const		__const		/* convert ANSI C keywords */
  #define	inline		__inline
  #define	signed		__signed
  #define	volatile	__volatile
  #endif /* !NO_ANSI_KEYWORDS */
  #endif	/* !(__STDC__ || __cplusplus) */
  
  /*
   * Used for internal auditing of the NetBSD source tree.
   */
  #ifdef __AUDIT__
  #define	__aconst	__const
  #else
  #define	__aconst
  #endif
  
  /*
   * Compile Time Assertion.
   */
  #ifdef __COUNTER__
  #define	__CTASSERT(x)		__CTASSERT0(x, __ctassert, __COUNTER__)
  #else
  #define	__CTASSERT(x)		__CTASSERT99(x, __INCLUDE_LEVEL__, __LINE__)
  #define	__CTASSERT99(x, a, b)	__CTASSERT0(x, __CONCAT(__ctassert,a), \
  					       __CONCAT(_,b))
  #endif
  #define	__CTASSERT0(x, y, z)	__CTASSERT1(x, y, z) 
  #define	__CTASSERT1(x, y, z)	typedef char y ## z[/*CONSTCOND*/(x) ? 1 : -1] __unused
  
  /*
   * The following macro is used to remove const cast-away warnings
   * from gcc -Wcast-qual; it should be used with caution because it
   * can hide valid errors; in particular most valid uses are in
   * situations where the API requires it, not to cast away string
   * constants. We don't use *intptr_t on purpose here and we are
   * explicit about unsigned long so that we don't have additional
   * dependencies.
   */
  #define __UNCONST(a)	((void *)(unsigned long)(const void *)(a))
  
  /*
   * The following macro is used to remove the volatile cast-away warnings
   * from gcc -Wcast-qual; as above it should be used with caution
   * because it can hide valid errors or warnings.  Valid uses include
   * making it possible to pass a volatile pointer to memset().
   * For the same reasons as above, we use unsigned long and not intptr_t.
   */
  #define __UNVOLATILE(a)	((void *)(unsigned long)(volatile void *)(a))
  
  /*
   * GCC2 provides __extension__ to suppress warnings for various GNU C
   * language extensions under "-ansi -pedantic".
   */
  #if !__GNUC_PREREQ__(2, 0)
  #define	__extension__		/* delete __extension__ if non-gcc or gcc1 */
  #endif
  
  /*
   * GCC1 and some versions of GCC2 declare dead (non-returning) and
   * pure (no side effects) functions using "volatile" and "const";
   * unfortunately, these then cause warnings under "-ansi -pedantic".
   * GCC2 uses a new, peculiar __attribute__((attrs)) style.  All of
   * these work for GNU C++ (modulo a slight glitch in the C++ grammar
   * in the distribution version of 2.5.5).
   *
   * GCC defines a pure function as depending only on its arguments and
   * global variables.  Typical examples are strlen and sqrt.
   *
   * GCC defines a const function as depending only on its arguments.
   * Therefore calling a const function again with identical arguments
   * will always produce the same result.
   *
   * Rounding modes for floating point operations are considered global
   * variables and prevent sqrt from being a const function.
   *
   * Calls to const functions can be optimised away and moved around
   * without limitations.
   */
  #if !__GNUC_PREREQ__(2, 0) && !defined(__lint__)
  #define __attribute__(x)
  #endif
  
  #if __GNUC_PREREQ__(2, 5)
  #define	__dead		__attribute__((__noreturn__))
  #elif defined(__GNUC__)
  #define	__dead		__volatile
  #else
  #define	__dead
  #endif
  
  #if __GNUC_PREREQ__(2, 96)
  #define	__pure		__attribute__((__pure__))
  #elif defined(__GNUC__)
  #define	__pure		__const
  #else
  #define	__pure
  #endif
  
  #if __GNUC_PREREQ__(2, 5)
  #define	__constfunc	__attribute__((__const__))
  #else
  #define	__constfunc
  #endif
  
  #if __GNUC_PREREQ__(3, 0)
  #define	__noinline	__attribute__((__noinline__))
  #else
  #define	__noinline	/* nothing */
  #endif
  
  #if __GNUC_PREREQ__(3, 0)
  #define	__always_inline	__attribute__((__always_inline__))
  #else
  #define	__always_inline	/* nothing */
  #endif
  
  #if __GNUC_PREREQ__(4, 1)
  #define	__returns_twice	__attribute__((__returns_twice__))
  #else
  #define	__returns_twice	/* nothing */
  #endif
  
  #if __GNUC_PREREQ__(4, 5)
  #define	__noclone	__attribute__((__noclone__))
  #else
  #define	__noclone	/* nothing */
  #endif
  
  /*
   * __unused: Note that item or function might be unused.
   */
  //#if __GNUC_PREREQ__(2, 7) || defined(__lint__)
  //#define	__unused	__attribute__((__unused__))
  //#else
  //#define	__unused	/* delete */
  //#endif
  
  /*
   * __used: Note that item is needed, even if it appears to be unused.
   */
  //#if __GNUC_PREREQ__(3, 1)
  //#define	__used		__attribute__((__used__))
  //#else
  //#define	__used		__unused
  //#endif
  
  /*
   * __diagused: Note that item is used in diagnostic code, but may be
   * unused in non-diagnostic code.
   */
  //#if (defined(_KERNEL) && defined(DIAGNOSTIC)) \
  // || (!defined(_KERNEL) && !defined(NDEBUG))
  //#define	__diagused	/* empty */
  //#else
  //#define	__diagused	__unused
  //#endif
  
  /*
   * __debugused: Note that item is used in debug code, but may be
   * unused in non-debug code.
   */
  //#if defined(DEBUG)
  //#define	__debugused	/* empty */
  //#else
  //#define	__debugused	__unused
  //#endif
  
  #if __GNUC_PREREQ__(3, 1)
  #define	__noprofile	__attribute__((__no_instrument_function__))
  #else
  #define	__noprofile	/* nothing */
  #endif
  
  #if __GNUC_PREREQ__(4, 6) || defined(__clang__)
  #define	__unreachable()	__builtin_unreachable()
  #else
  #define	__unreachable()	do {} while (/*CONSTCOND*/0)
  #endif
  
  /*
   * To be used when an empty body is required like:
   *
   * #ifdef DEBUG
   * # define dprintf(a) printf(a)
   * #else
   * # define dprintf(a) __nothing
   * #endif
   *
   * We use ((void)0) instead of do {} while (0) so that it
   * works on , expressions.
   */
  #define __nothing	((void)0)
  
  #if defined(__cplusplus)
  #define	__BEGIN_EXTERN_C	extern "C" {
  #define	__END_EXTERN_C		}
  #define	__static_cast(x,y)	static_cast<x>(y)
  #else
  #define	__BEGIN_EXTERN_C
  #define	__END_EXTERN_C
  #define	__static_cast(x,y)	(x)y
  #endif
  
  #if __GNUC_PREREQ__(4, 0)
  #  define __dso_public	__attribute__((__visibility__("default")))
  #  define __dso_hidden	__attribute__((__visibility__("hidden")))
  #  define __BEGIN_PUBLIC_DECLS	\
  	_Pragma("GCC visibility push(default)") __BEGIN_EXTERN_C
  #  define __END_PUBLIC_DECLS	__END_EXTERN_C _Pragma("GCC visibility pop")
  #  define __BEGIN_HIDDEN_DECLS	\
  	_Pragma("GCC visibility push(hidden)") __BEGIN_EXTERN_C
  #  define __END_HIDDEN_DECLS	__END_EXTERN_C _Pragma("GCC visibility pop")
  #else
  #  define __dso_public
  #  define __dso_hidden
  #  define __BEGIN_PUBLIC_DECLS	__BEGIN_EXTERN_C
  #  define __END_PUBLIC_DECLS	__END_EXTERN_C
  #  define __BEGIN_HIDDEN_DECLS	__BEGIN_EXTERN_C
  #  define __END_HIDDEN_DECLS	__END_EXTERN_C
  #endif
  #if __GNUC_PREREQ__(4, 2)
  #  define __dso_protected	__attribute__((__visibility__("protected")))
  #else
  #  define __dso_protected
  #endif
  
  #define	__BEGIN_DECLS		__BEGIN_PUBLIC_DECLS
  #define	__END_DECLS		__END_PUBLIC_DECLS
  
  /*
   * Non-static C99 inline functions are optional bodies.  They don't
   * create global symbols if not used, but can be replaced if desirable.
   * This differs from the behavior of GCC before version 4.3.  The nearest
   * equivalent for older GCC is `extern inline'.  For newer GCC, use the
   * gnu_inline attribute additionally to get the old behavior.
   *
   * For C99 compilers other than GCC, the C99 behavior is expected.
   */
  #if defined(__GNUC__) && defined(__GNUC_STDC_INLINE__)
  #define	__c99inline	extern __attribute__((__gnu_inline__)) __inline
  #elif defined(__GNUC__)
  #define	__c99inline	extern __inline
  #elif defined(__STDC_VERSION__) || defined(__lint__)
  #define	__c99inline	__inline
  #endif
  
  #if defined(__lint__)
  #define __thread	/* delete */
  #define	__packed	__packed
  #define	__aligned(x)	/* delete */
  #define	__section(x)	/* delete */
  #elif __GNUC_PREREQ__(2, 7) || defined(__PCC__)
  #define	__packed	__attribute__((__packed__))
  #define	__aligned(x)	__attribute__((__aligned__(x)))
  #define	__section(x)	__attribute__((__section__(x)))
  #elif defined(_MSC_VER)
  #define	__packed	/* ignore */
  #else
  #define	__packed	error: no __packed for this compiler
  #define	__aligned(x)	error: no __aligned for this compiler
  #define	__section(x)	error: no __section for this compiler
  #endif
  
  /*
   * C99 defines the restrict type qualifier keyword, which was made available
   * in GCC 2.92.
   */
  #if defined(__lint__)
  #define	__restrict	/* delete __restrict when not supported */
  #elif __STDC_VERSION__ >= 199901L
  #define	__restrict	restrict
  #elif __GNUC_PREREQ__(2, 92)
  #define	__restrict	__restrict__
  #else
  #define	__restrict	/* delete __restrict when not supported */
  #endif
  
  /*
   * C99 defines __func__ predefined identifier, which was made available
   * in GCC 2.95.
   */
  #if !(__STDC_VERSION__ >= 199901L)
  #if __GNUC_PREREQ__(2, 6)
  #define	__func__	__PRETTY_FUNCTION__
  #elif __GNUC_PREREQ__(2, 4)
  #define	__func__	__FUNCTION__
  #else
  #define	__func__	""
  #endif
  #endif /* !(__STDC_VERSION__ >= 199901L) */
  
  #if defined(_KERNEL)
  #if defined(NO_KERNEL_RCSIDS)
  #undef __KERNEL_RCSID
  #define	__KERNEL_RCSID(_n, _s)		/* nothing */
  #endif /* NO_KERNEL_RCSIDS */
  #endif /* _KERNEL */
  
  #if !defined(_STANDALONE) && !defined(_KERNEL)
  #if defined(__GNUC__) || defined(__PCC__)
  #define	__RENAME(x)	___RENAME(x)
  #elif defined(__lint__)
  #define	__RENAME(x)	__symbolrename(x)
  #else
  #error "No function renaming possible"
  #endif /* __GNUC__ */
  #else /* _STANDALONE || _KERNEL */
  #define	__RENAME(x)	no renaming in kernel/standalone environment
  #endif
  
  /*
   * A barrier to stop the optimizer from moving code or assume live
   * register values. This is gcc specific, the version is more or less
   * arbitrary, might work with older compilers.
   */
  #if __GNUC_PREREQ__(2, 95)
  #define	__insn_barrier()	__asm __volatile("":::"memory")
  #else
  #define	__insn_barrier()	/* */
  #endif
  
  /*
   * GNU C version 2.96 adds explicit branch prediction so that
   * the CPU back-end can hint the processor and also so that
   * code blocks can be reordered such that the predicted path
   * sees a more linear flow, thus improving cache behavior, etc.
   *
   * The following two macros provide us with a way to use this
   * compiler feature.  Use __predict_true() if you expect the expression
   * to evaluate to true, and __predict_false() if you expect the
   * expression to evaluate to false.
   *
   * A few notes about usage:
   *
   *	* Generally, __predict_false() error condition checks (unless
   *	  you have some _strong_ reason to do otherwise, in which case
   *	  document it), and/or __predict_true() `no-error' condition
   *	  checks, assuming you want to optimize for the no-error case.
   *
   *	* Other than that, if you don't know the likelihood of a test
   *	  succeeding from empirical or other `hard' evidence, don't
   *	  make predictions.
   *
   *	* These are meant to be used in places that are run `a lot'.
   *	  It is wasteful to make predictions in code that is run
   *	  seldomly (e.g. at subsystem initialization time) as the
   *	  basic block reordering that this affects can often generate
   *	  larger code.
   */
  #if __GNUC_PREREQ__(2, 96)
  #define	__predict_true(exp)	__builtin_expect((exp) != 0, 1)
  #define	__predict_false(exp)	__builtin_expect((exp) != 0, 0)
  #else
  #define	__predict_true(exp)	(exp)
  #define	__predict_false(exp)	(exp)
  #endif
  
  /*
   * Compiler-dependent macros to declare that functions take printf-like
   * or scanf-like arguments.  They are null except for versions of gcc
   * that are known to support the features properly (old versions of gcc-2
   * didn't permit keeping the keywords out of the application namespace).
   */
  #if __GNUC_PREREQ__(2, 7)
  #define __printflike(fmtarg, firstvararg)	\
  	    __attribute__((__format__ (__printf__, fmtarg, firstvararg)))
  #ifndef __syslog_attribute__
  #define __syslog__ __printf__
  #endif
  #define __sysloglike(fmtarg, firstvararg)	\
  	    __attribute__((__format__ (__syslog__, fmtarg, firstvararg)))
  #define __scanflike(fmtarg, firstvararg)	\
  	    __attribute__((__format__ (__scanf__, fmtarg, firstvararg)))
  #define __format_arg(fmtarg)    __attribute__((__format_arg__ (fmtarg)))
  #else
  #define __printflike(fmtarg, firstvararg)	/* nothing */
  #define __scanflike(fmtarg, firstvararg)	/* nothing */
  #define __sysloglike(fmtarg, firstvararg)	/* nothing */
  #define __format_arg(fmtarg)			/* nothing */
  #endif
  
  /*
   * Macros for manipulating "link sets".  Link sets are arrays of pointers
   * to objects, which are gathered up by the linker.
   *
   * Object format-specific code has provided us with the following macros:
   *
   *	__link_set_add_text(set, sym)
   *		Add a reference to the .text symbol `sym' to `set'.
   *
   *	__link_set_add_rodata(set, sym)
   *		Add a reference to the .rodata symbol `sym' to `set'.
   *
   *	__link_set_add_data(set, sym)
   *		Add a reference to the .data symbol `sym' to `set'.
   *
   *	__link_set_add_bss(set, sym)
   *		Add a reference to the .bss symbol `sym' to `set'.
   *
   *	__link_set_decl(set, ptype)
   *		Provide an extern declaration of the set `set', which
   *		contains an array of pointers to type `ptype'.  This
   *		macro must be used by any code which wishes to reference
   *		the elements of a link set.
   *
   *	__link_set_start(set)
   *		This points to the first slot in the link set.
   *
   *	__link_set_end(set)
   *		This points to the (non-existent) slot after the last
   *		entry in the link set.
   *
   *	__link_set_count(set)
   *		Count the number of entries in link set `set'.
   *
   * In addition, we provide the following macros for accessing link sets:
   *
   *	__link_set_foreach(pvar, set)
   *		Iterate over the link set `set'.  Because a link set is
   *		an array of pointers, pvar must be declared as "type **pvar",
   *		and the actual entry accessed as "*pvar".
   *
   *	__link_set_entry(set, idx)
   *		Access the link set entry at index `idx' from set `set'.
   */
  #define	__link_set_foreach(pvar, set)					\
  	for (pvar = __link_set_start(set); pvar < __link_set_end(set); pvar++)
  
  #define	__link_set_entry(set, idx)	(__link_set_start(set)[idx])
  
  /*
   * Return the natural alignment in bytes for the given type
   */
  #if __GNUC_PREREQ__(4, 1)
  #define	__alignof(__t)  __alignof__(__t)
  #else
  #define __alignof(__t) (sizeof(struct { char __x; __t __y; }) - sizeof(__t))
  #endif
  
  /*
   * Return the number of elements in a statically-allocated array,
   * __x.
   */
  #define	__arraycount(__x)	(sizeof(__x) / sizeof(__x[0]))
  
  #ifndef __ASSEMBLER__
  /* __BIT(n): nth bit, where __BIT(0) == 0x1. */
  #define	__BIT(__n)	\
      (((uintmax_t)(__n) >= NBBY * sizeof(uintmax_t)) ? 0 : \
      ((uintmax_t)1 << (uintmax_t)((__n) & (NBBY * sizeof(uintmax_t) - 1))))
  
  /* __BITS(m, n): bits m through n, m < n. */
  #define	__BITS(__m, __n)	\
  	((__BIT(MAX((__m), (__n)) + 1) - 1) ^ (__BIT(MIN((__m), (__n))) - 1))
  #endif /* !__ASSEMBLER__ */
  
  /* find least significant bit that is set */
  #define	__LOWEST_SET_BIT(__mask) ((((__mask) - 1) & (__mask)) ^ (__mask))
  
  #define	__PRIuBIT	PRIuMAX
  #define	__PRIuBITS	__PRIuBIT
  
  #define	__PRIxBIT	PRIxMAX
  #define	__PRIxBITS	__PRIxBIT
  
  #define	__SHIFTOUT(__x, __mask)	(((__x) & (__mask)) / __LOWEST_SET_BIT(__mask))
  #define	__SHIFTIN(__x, __mask) ((__x) * __LOWEST_SET_BIT(__mask))
  #define	__SHIFTOUT_MASK(__mask) __SHIFTOUT((__mask), (__mask))
  
  /*
   * Only to be used in other headers that are included from both c or c++
   * NOT to be used in code.
   */
  #ifdef __cplusplus
  #define __CAST(__dt, __st)	static_cast<__dt>(__st)
  #else
  #define __CAST(__dt, __st)	((__dt)(__st))
  #endif
  
  #define __CASTV(__dt, __st)	__CAST(__dt, __CAST(void *, __st))
  #define __CASTCV(__dt, __st)	__CAST(__dt, __CAST(const void *, __st))
  
  #define __USE(a) (/*LINTED*/(void)(a))
  
  #define __type_mask(t) (/*LINTED*/sizeof(t) < sizeof(intmax_t) ? \
      (~((1ULL << (sizeof(t) * NBBY)) - 1)) : 0ULL)
  
  #ifndef __ASSEMBLER__
  static __inline long long __zeroll(void) { return 0; }
  static __inline unsigned long long __zeroull(void) { return 0; }
  #else
  #define __zeroll() (0LL)
  #define __zeroull() (0ULL)
  #endif
  
  #define __negative_p(x) (!((x) > 0) && ((x) != 0))
  
  #define __type_min_s(t) ((t)((1ULL << (sizeof(t) * NBBY - 1))))
  #define __type_max_s(t) ((t)~((1ULL << (sizeof(t) * NBBY - 1))))
  #define __type_min_u(t) ((t)0ULL)
  #define __type_max_u(t) ((t)~0ULL)
  #define __type_is_signed(t) (/*LINTED*/__type_min_s(t) + (t)1 < (t)1)
  #define __type_min(t) (__type_is_signed(t) ? __type_min_s(t) : __type_min_u(t))
  #define __type_max(t) (__type_is_signed(t) ? __type_max_s(t) : __type_max_u(t))
  
  
  #define __type_fit_u(t, a) (/*LINTED*/!__negative_p(a) && \
      (uintmax_t)((a) + __zeroull()) <= (uintmax_t)__type_max_u(t))
  
  #define __type_fit_s(t, a) (/*LINTED*/__negative_p(a) ? \
      ((intmax_t)((a) + __zeroll()) >= (intmax_t)__type_min_s(t)) : \
      ((intmax_t)((a) + __zeroll()) >= (intmax_t)0 && \
       (intmax_t)((a) + __zeroll()) <= (intmax_t)__type_max_s(t)))
  
  /*
   * return true if value 'a' fits in type 't'
   */
  #define __type_fit(t, a) (__type_is_signed(t) ? \
      __type_fit_s(t, a) : __type_fit_u(t, a))
  
  #endif /* !_SYS_CDEFS_H_ */
  