// Code generated by 'ccgo -D__environ=environ -export-externs X -hide __syscall0,__syscall1,__syscall2,__syscall3,__syscall4,__syscall5,__syscall6 -nostdinc -nostdlib -o ../musl_windows_arm64.go -pkgname libc -static-locals-prefix _s -Iarch\aarch64 -Iarch/generic -Iobj/src/internal -Isrc/include -Isrc/internal -Iobj/include -Iinclude copyright.c src/ctype/isalnum.c src/ctype/isalpha.c src/ctype/isdigit.c src/ctype/islower.c src/ctype/isprint.c src/ctype/isspace.c src/ctype/isxdigit.c src/env/putenv.c src/env/setenv.c src/env/unsetenv.c src/multibyte/wcrtomb.c src/multibyte/wcsrtombs.c src/multibyte/wcstombs.c src/stdlib/bsearch.c src/string/strchrnul.c src/string/strdup.c', DO NOT EDIT.

package libc

import (
	"math"
	"reflect"
	"sync/atomic"
	"unsafe"
)

var _ = math.Pi
var _ reflect.Kind
var _ atomic.Value
var _ unsafe.Pointer

// musl as a whole is licensed under the following standard MIT license:
//
// ----------------------------------------------------------------------
// Copyright © 2005-2020 Rich Felker, et al.
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
// SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
// ----------------------------------------------------------------------
//
// Authors/contributors include:
//
// A. Wilcox
// Ada Worcester
// Alex Dowad
// Alex Suykov
// Alexander Monakov
// Andre McCurdy
// Andrew Kelley
// Anthony G. Basile
// Aric Belsito
// Arvid Picciani
// Bartosz Brachaczek
// Benjamin Peterson
// Bobby Bingham
// Boris Brezillon
// Brent Cook
// Chris Spiegel
// Clément Vasseur
// Daniel Micay
// Daniel Sabogal
// Daurnimator
// David Carlier
// David Edelsohn
// Denys Vlasenko
// Dmitry Ivanov
// Dmitry V. Levin
// Drew DeVault
// Emil Renner Berthing
// Fangrui Song
// Felix Fietkau
// Felix Janda
// Gianluca Anzolin
// Hauke Mehrtens
// He X
// Hiltjo Posthuma
// Isaac Dunham
// Jaydeep Patil
// Jens Gustedt
// Jeremy Huntwork
// Jo-Philipp Wich
// Joakim Sindholt
// John Spencer
// Julien Ramseier
// Justin Cormack
// Kaarle Ritvanen
// Khem Raj
// Kylie McClain
// Leah Neukirchen
// Luca Barbato
// Luka Perkov
// M Farkas-Dyck (Strake)
// Mahesh Bodapati
// Markus Wichmann
// Masanori Ogino
// Michael Clark
// Michael Forney
// Mikhail Kremnyov
// Natanael Copa
// Nicholas J. Kain
// orc
// Pascal Cuoq
// Patrick Oppenlander
// Petr Hosek
// Petr Skocik
// Pierre Carrier
// Reini Urban
// Rich Felker
// Richard Pennington
// Ryan Fairfax
// Samuel Holland
// Segev Finer
// Shiz
// sin
// Solar Designer
// Stefan Kristiansson
// Stefan O'Rear
// Szabolcs Nagy
// Timo Teräs
// Trutz Behn
// Valentin Ochs
// Will Dietz
// William Haddon
// William Pitcock
//
// Portions of this software are derived from third-party works licensed
// under terms compatible with the above MIT license:
//
// The TRE regular expression implementation (src/regex/reg* and
// src/regex/tre*) is Copyright © 2001-2008 Ville Laurikari and licensed
// under a 2-clause BSD license (license text in the source files). The
// included version has been heavily modified by Rich Felker in 2012, in
// the interests of size, simplicity, and namespace cleanliness.
//
// Much of the math library code (src/math/* and src/complex/*) is
// Copyright © 1993,2004 Sun Microsystems or
// Copyright © 2003-2011 David Schultz or
// Copyright © 2003-2009 Steven G. Kargl or
// Copyright © 2003-2009 Bruce D. Evans or
// Copyright © 2008 Stephen L. Moshier or
// Copyright © 2017-2018 Arm Limited
// and labelled as such in comments in the individual source files. All
// have been licensed under extremely permissive terms.
//
// The ARM memcpy code (src/string/arm/memcpy.S) is Copyright © 2008
// The Android Open Source Project and is licensed under a two-clause BSD
// license. It was taken from Bionic libc, used on Android.
//
// The AArch64 memcpy and memset code (src/string/aarch64/*) are
// Copyright © 1999-2019, Arm Limited.
//
// The implementation of DES for crypt (src/crypt/crypt_des.c) is
// Copyright © 1994 David Burren. It is licensed under a BSD license.
//
// The implementation of blowfish crypt (src/crypt/crypt_blowfish.c) was
// originally written by Solar Designer and placed into the public
// domain. The code also comes with a fallback permissive license for use
// in jurisdictions that may not recognize the public domain.
//
// The smoothsort implementation (src/stdlib/qsort.c) is Copyright © 2011
// Valentin Ochs and is licensed under an MIT-style license.
//
// The x86_64 port was written by Nicholas J. Kain and is licensed under
// the standard MIT terms.
//
// The mips and microblaze ports were originally written by Richard
// Pennington for use in the ellcc project. The original code was adapted
// by Rich Felker for build system and code conventions during upstream
// integration. It is licensed under the standard MIT terms.
//
// The mips64 port was contributed by Imagination Technologies and is
// licensed under the standard MIT terms.
//
// The powerpc port was also originally written by Richard Pennington,
// and later supplemented and integrated by John Spencer. It is licensed
// under the standard MIT terms.
//
// All other files which have no copyright comments are original works
// produced specifically for use as part of this library, written either
// by Rich Felker, the main author of the library, or by one or more
// contibutors listed above. Details on authorship of individual files
// can be found in the git version control history of the project. The
// omission of copyright and license comments in each file is in the
// interest of source tree size.
//
// In addition, permission is hereby granted for all public header files
// (include/* and arch/*/bits/*) and crt files intended to be linked into
// applications (crt/*, ldso/dlstart.c, and arch/*/crt_arch.h) to omit
// the copyright notice and permission notice otherwise required by the
// license, and to use these files without any requirement of
// attribution. These files include substantial contributions from:
//
// Bobby Bingham
// John Spencer
// Nicholas J. Kain
// Rich Felker
// Richard Pennington
// Stefan Kristiansson
// Szabolcs Nagy
//
// all of whom have explicitly granted such permission.
//
// This file previously contained text expressing a belief that most of
// the files covered by the above exception were sufficiently trivial not
// to be subject to copyright, resulting in confusion over whether it
// negated the permissions granted in the license. In the spirit of
// permissive licensing, and of not having licensing issues being an
// obstacle to adoption, that text has been removed.
const ( /* copyright.c:194:1: */
	__musl__copyright__ = 0
)

const ( /* pthread_impl.h:58:1: */
	DT_EXITING  = 0
	DT_JOINABLE = 1
	DT_DETACHED = 2
)

type ptrdiff_t = int64 /* <builtin>:3:26 */

type size_t = uint64 /* <builtin>:9:23 */

type wchar_t = uint16 /* <builtin>:15:24 */

type va_list = uintptr /* <builtin>:50:27 */

type __locale_struct = struct{ cat [6]uintptr } /* alltypes.h:351:9 */

type locale_t = uintptr /* alltypes.h:351:32 */

func Xisalnum(tls *TLS, c int32) int32 { /* isalnum.c:3:5: */
	if __ccgo_strace {
		trc("tls=%v c=%v, (%v:)", tls, c, origin(2))
	}
	return Bool32(func() int32 {
		if 0 != 0 {
			return Xisalpha(tls, c)
		}
		return Bool32(uint32(c)|uint32(32)-uint32('a') < uint32(26))
	}() != 0 || func() int32 {
		if 0 != 0 {
			return Xisdigit(tls, c)
		}
		return Bool32(uint32(c)-uint32('0') < uint32(10))
	}() != 0)
}

func X__isalnum_l(tls *TLS, c int32, l locale_t) int32 { /* isalnum.c:8:5: */
	if __ccgo_strace {
		trc("tls=%v c=%v l=%v, (%v:)", tls, c, l, origin(2))
	}
	return Xisalnum(tls, c)
}

func Xisalpha(tls *TLS, c int32) int32 { /* isalpha.c:4:5: */
	if __ccgo_strace {
		trc("tls=%v c=%v, (%v:)", tls, c, origin(2))
	}
	return Bool32(uint32(c)|uint32(32)-uint32('a') < uint32(26))
}

func X__isalpha_l(tls *TLS, c int32, l locale_t) int32 { /* isalpha.c:9:5: */
	if __ccgo_strace {
		trc("tls=%v c=%v l=%v, (%v:)", tls, c, l, origin(2))
	}
	return Xisalpha(tls, c)
}

func Xisdigit(tls *TLS, c int32) int32 { /* isdigit.c:4:5: */
	if __ccgo_strace {
		trc("tls=%v c=%v, (%v:)", tls, c, origin(2))
	}
	return Bool32(uint32(c)-uint32('0') < uint32(10))
}

func X__isdigit_l(tls *TLS, c int32, l locale_t) int32 { /* isdigit.c:9:5: */
	if __ccgo_strace {
		trc("tls=%v c=%v l=%v, (%v:)", tls, c, l, origin(2))
	}
	return Xisdigit(tls, c)
}

func Xislower(tls *TLS, c int32) int32 { /* islower.c:4:5: */
	if __ccgo_strace {
		trc("tls=%v c=%v, (%v:)", tls, c, origin(2))
	}
	return Bool32(uint32(c)-uint32('a') < uint32(26))
}

func X__islower_l(tls *TLS, c int32, l locale_t) int32 { /* islower.c:9:5: */
	if __ccgo_strace {
		trc("tls=%v c=%v l=%v, (%v:)", tls, c, l, origin(2))
	}
	return Xislower(tls, c)
}

func Xisprint(tls *TLS, c int32) int32 { /* isprint.c:4:5: */
	if __ccgo_strace {
		trc("tls=%v c=%v, (%v:)", tls, c, origin(2))
	}
	return Bool32(uint32(c)-uint32(0x20) < uint32(0x5f))
}

func X__isprint_l(tls *TLS, c int32, l locale_t) int32 { /* isprint.c:9:5: */
	if __ccgo_strace {
		trc("tls=%v c=%v l=%v, (%v:)", tls, c, l, origin(2))
	}
	return Xisprint(tls, c)
}

func Xisspace(tls *TLS, c int32) int32 { /* isspace.c:4:5: */
	if __ccgo_strace {
		trc("tls=%v c=%v, (%v:)", tls, c, origin(2))
	}
	return Bool32(c == ' ' || uint32(c)-uint32('\t') < uint32(5))
}

func X__isspace_l(tls *TLS, c int32, l locale_t) int32 { /* isspace.c:9:5: */
	if __ccgo_strace {
		trc("tls=%v c=%v l=%v, (%v:)", tls, c, l, origin(2))
	}
	return Xisspace(tls, c)
}

func Xisxdigit(tls *TLS, c int32) int32 { /* isxdigit.c:3:5: */
	if __ccgo_strace {
		trc("tls=%v c=%v, (%v:)", tls, c, origin(2))
	}
	return Bool32(func() int32 {
		if 0 != 0 {
			return Xisdigit(tls, c)
		}
		return Bool32(uint32(c)-uint32('0') < uint32(10))
	}() != 0 || uint32(c)|uint32(32)-uint32('a') < uint32(6))
}

func X__isxdigit_l(tls *TLS, c int32, l locale_t) int32 { /* isxdigit.c:8:5: */
	if __ccgo_strace {
		trc("tls=%v c=%v l=%v, (%v:)", tls, c, l, origin(2))
	}
	return Xisxdigit(tls, c)
}

type div_t = struct {
	quot int32
	rem  int32
} /* stdlib.h:62:35 */
type ldiv_t = struct {
	quot int32
	rem  int32
} /* stdlib.h:63:36 */
type lldiv_t = struct {
	quot int64
	rem  int64
} /* stdlib.h:64:41 */

type ssize_t = int32 /* alltypes.h:73:15 */

type intptr_t = int32 /* alltypes.h:78:15 */

type off_t = int32 /* alltypes.h:170:16 */

type pid_t = int32 /* alltypes.h:243:13 */

type uid_t = uint32 /* alltypes.h:253:18 */

type gid_t = uint32 /* alltypes.h:258:18 */

type useconds_t = uint32 /* alltypes.h:268:18 */

func X__putenv(tls *TLS, s uintptr, l size_t, r uintptr) int32 { /* putenv.c:8:5: */
	if __ccgo_strace {
		trc("tls=%v s=%v l=%v r=%v, (%v:)", tls, s, l, r, origin(2))
	}
	var i size_t
	var newenv uintptr
	var tmp uintptr
	//TODO for (char **e = __environ; *e; e++, i++)
	var e uintptr
	i = uint64(0)
	if !(Environ() != 0) {
		goto __1
	}
	//TODO for (char **e = __environ; *e; e++, i++)
	e = Environ()
__2:
	if !(*(*uintptr)(unsafe.Pointer(e)) != 0) {
		goto __4
	}
	if !!(Xstrncmp(tls, s, *(*uintptr)(unsafe.Pointer(e)), l+uint64(1)) != 0) {
		goto __5
	}
	tmp = *(*uintptr)(unsafe.Pointer(e))
	*(*uintptr)(unsafe.Pointer(e)) = s
	X__env_rm_add(tls, tmp, r)
	return 0
__5:
	;
	goto __3
__3:
	e += 8
	i++
	goto __2
	goto __4
__4:
	;
__1:
	;
	if !(Environ() == _soldenv) {
		goto __6
	}
	newenv = Xrealloc(tls, _soldenv, uint64(unsafe.Sizeof(uintptr(0)))*(i+uint64(2)))
	if !!(newenv != 0) {
		goto __8
	}
	goto oom
__8:
	;
	goto __7
__6:
	newenv = Xmalloc(tls, uint64(unsafe.Sizeof(uintptr(0)))*(i+uint64(2)))
	if !!(newenv != 0) {
		goto __9
	}
	goto oom
__9:
	;
	if !(i != 0) {
		goto __10
	}
	Xmemcpy(tls, newenv, Environ(), uint64(unsafe.Sizeof(uintptr(0)))*i)
__10:
	;
	Xfree(tls, _soldenv)
__7:
	;
	*(*uintptr)(unsafe.Pointer(newenv + uintptr(i)*8)) = s
	*(*uintptr)(unsafe.Pointer(newenv + uintptr(i+uint64(1))*8)) = uintptr(0)
	*(*uintptr)(unsafe.Pointer(EnvironP())) = AssignPtrUintptr(uintptr(unsafe.Pointer(&_soldenv)), newenv)
	if !(r != 0) {
		goto __11
	}
	X__env_rm_add(tls, uintptr(0), r)
__11:
	;
	return 0
oom:
	Xfree(tls, r)
	return -1
}

var _soldenv uintptr /* putenv.c:22:14: */

func Xputenv(tls *TLS, s uintptr) int32 { /* putenv.c:43:5: */
	if __ccgo_strace {
		trc("tls=%v s=%v, (%v:)", tls, s, origin(2))
	}
	var l size_t = size_t((int64(X__strchrnul(tls, s, '=')) - int64(s)) / 1)
	if !(l != 0) || !(int32(*(*int8)(unsafe.Pointer(s + uintptr(l)))) != 0) {
		return Xunsetenv(tls, s)
	}
	return X__putenv(tls, s, l, uintptr(0))
}

func X__env_rm_add(tls *TLS, old uintptr, new uintptr) { /* setenv.c:5:6: */
	if __ccgo_strace {
		trc("tls=%v old=%v new=%v, (%v:)", tls, old, new, origin(2))
	}
	//TODO for (size_t i=0; i < env_alloced_n; i++)
	var i size_t = uint64(0)
	for ; i < _senv_alloced_n; i++ {
		if *(*uintptr)(unsafe.Pointer(_senv_alloced + uintptr(i)*8)) == old {
			*(*uintptr)(unsafe.Pointer(_senv_alloced + uintptr(i)*8)) = new
			Xfree(tls, old)
			return
		} else if !(int32(*(*uintptr)(unsafe.Pointer(_senv_alloced + uintptr(i)*8))) != 0) && new != 0 {
			*(*uintptr)(unsafe.Pointer(_senv_alloced + uintptr(i)*8)) = new
			new = uintptr(0)
		}
	}
	if !(new != 0) {
		return
	}
	var t uintptr = Xrealloc(tls, _senv_alloced, uint64(unsafe.Sizeof(uintptr(0)))*(_senv_alloced_n+uint64(1)))
	if !(t != 0) {
		return
	}
	*(*uintptr)(unsafe.Pointer(AssignPtrUintptr(uintptr(unsafe.Pointer(&_senv_alloced)), t) + uintptr(PostIncUint64(&_senv_alloced_n, 1))*8)) = new
}

var _senv_alloced uintptr  /* setenv.c:7:14: */
var _senv_alloced_n size_t /* setenv.c:8:16: */

func Xsetenv(tls *TLS, var1 uintptr, value uintptr, overwrite int32) int32 { /* setenv.c:26:5: */
	if __ccgo_strace {
		trc("tls=%v var1=%v value=%v overwrite=%v, (%v:)", tls, var1, value, overwrite, origin(2))
	}
	var s uintptr
	var l1 size_t
	var l2 size_t

	if !(var1 != 0) || !(int32(AssignUint64(&l1, size_t((int64(X__strchrnul(tls, var1, '='))-int64(var1))/1))) != 0) || *(*int8)(unsafe.Pointer(var1 + uintptr(l1))) != 0 {
		*(*int32)(unsafe.Pointer(X___errno_location(tls))) = 22
		return -1
	}
	if !(overwrite != 0) && Xgetenv(tls, var1) != 0 {
		return 0
	}

	l2 = Xstrlen(tls, value)
	s = Xmalloc(tls, l1+l2+uint64(2))
	if !(s != 0) {
		return -1
	}
	Xmemcpy(tls, s, var1, l1)
	*(*int8)(unsafe.Pointer(s + uintptr(l1))) = int8('=')
	Xmemcpy(tls, s+uintptr(l1)+uintptr(1), value, l2+uint64(1))
	return X__putenv(tls, s, l1, s)
}

func Xunsetenv(tls *TLS, name uintptr) int32 { /* unsetenv.c:9:5: */
	if __ccgo_strace {
		trc("tls=%v name=%v, (%v:)", tls, name, origin(2))
	}
	var l size_t = size_t((int64(X__strchrnul(tls, name, '=')) - int64(name)) / 1)
	if !(l != 0) || *(*int8)(unsafe.Pointer(name + uintptr(l))) != 0 {
		*(*int32)(unsafe.Pointer(X___errno_location(tls))) = 22
		return -1
	}
	if Environ() != 0 {
		var e uintptr = Environ()
		var eo uintptr = e
		for ; *(*uintptr)(unsafe.Pointer(e)) != 0; e += 8 {
			//TODO if (!strncmp(name, *e, l) && l[*e] == '=')
			if !(Xstrncmp(tls, name, *(*uintptr)(unsafe.Pointer(e)), l) != 0) && int32(*(*int8)(unsafe.Pointer(*(*uintptr)(unsafe.Pointer(e)) + uintptr(l)))) == '=' {
				X__env_rm_add(tls, *(*uintptr)(unsafe.Pointer(e)), uintptr(0))
			} else if eo != e {
				*(*uintptr)(unsafe.Pointer(PostIncUintptr(&eo, 8))) = *(*uintptr)(unsafe.Pointer(e))
			} else {
				eo += 8
			}
		}
		if eo != e {
			*(*uintptr)(unsafe.Pointer(eo)) = uintptr(0)
		}
	}
	return 0
}

type wint_t = uint32 /* alltypes.h:21:18 */

type wctype_t = uint32 /* alltypes.h:211:23 */

type __mbstate_t = struct {
	__opaque1 uint32
	__opaque2 uint32
} /* alltypes.h:345:9 */

type mbstate_t = __mbstate_t /* alltypes.h:345:63 */

type tm = struct {
	tm_sec    int32
	tm_min    int32
	tm_hour   int32
	tm_mday   int32
	tm_mon    int32
	tm_year   int32
	tm_wday   int32
	tm_yday   int32
	tm_isdst  int32
	tm_gmtoff int32
	tm_zone   uintptr
} /* wchar.h:138:1 */

type uintptr_t = uint32 /* alltypes.h:63:24 */

type int8_t = int8 /* alltypes.h:104:25 */

type int16_t = int16 /* alltypes.h:109:25 */

type int32_t = int32 /* alltypes.h:114:25 */

type int64_t = int32 /* alltypes.h:119:25 */

type intmax_t = int32 /* alltypes.h:124:25 */

type uint8_t = uint8 /* alltypes.h:129:25 */

type uint16_t = uint16 /* alltypes.h:134:25 */

type uint32_t = uint32 /* alltypes.h:139:25 */

type uint64_t = uint32 /* alltypes.h:144:25 */

type uintmax_t = uint32 /* alltypes.h:154:25 */

type int_fast8_t = int8_t   /* stdint.h:22:16 */
type int_fast64_t = int64_t /* stdint.h:23:17 */

type int_least8_t = int8_t   /* stdint.h:25:17 */
type int_least16_t = int16_t /* stdint.h:26:17 */
type int_least32_t = int32_t /* stdint.h:27:17 */
type int_least64_t = int64_t /* stdint.h:28:17 */

type uint_fast8_t = uint8_t   /* stdint.h:30:17 */
type uint_fast64_t = uint64_t /* stdint.h:31:18 */

type uint_least8_t = uint8_t   /* stdint.h:33:18 */
type uint_least16_t = uint16_t /* stdint.h:34:18 */
type uint_least32_t = uint32_t /* stdint.h:35:18 */
type uint_least64_t = uint64_t /* stdint.h:36:18 */

type int_fast16_t = int32_t   /* stdint.h:1:17 */
type int_fast32_t = int32_t   /* stdint.h:2:17 */
type uint_fast16_t = uint32_t /* stdint.h:3:18 */
type uint_fast32_t = uint32_t /* stdint.h:4:18 */

// Upper 6 state bits are a negative integer offset to bound-check next byte
//    equivalent to: ( (b-0x80) | (b+offset) ) & ~0x3f

// Interval [a,b). Either a must be 80 or b must be c0, lower 3 bits clear.

// Arbitrary encoding for representing code units instead of characters.

// Get inline definition of MB_CUR_MAX.

type lconv = struct {
	decimal_point      uintptr
	thousands_sep      uintptr
	grouping           uintptr
	int_curr_symbol    uintptr
	currency_symbol    uintptr
	mon_decimal_point  uintptr
	mon_thousands_sep  uintptr
	mon_grouping       uintptr
	positive_sign      uintptr
	negative_sign      uintptr
	int_frac_digits    int8
	frac_digits        int8
	p_cs_precedes      int8
	p_sep_by_space     int8
	n_cs_precedes      int8
	n_sep_by_space     int8
	p_sign_posn        int8
	n_sign_posn        int8
	int_p_cs_precedes  int8
	int_p_sep_by_space int8
	int_n_cs_precedes  int8
	int_n_sep_by_space int8
	int_p_sign_posn    int8
	int_n_sign_posn    int8
	_                  [2]byte
} /* locale.h:24:1 */

type _G_fpos64_t = struct {
	_        [0]uint64
	__opaque [16]int8
} /* stdio.h:54:9 */

type fpos_t = _G_fpos64_t /* stdio.h:58:3 */

// Support signed or unsigned plain-char

// Implementation choices...

// Arbitrary numbers...

// POSIX/SUS requirements follow. These numbers come directly
// from SUS and have nothing to do with the host system.

type __locale_map = struct {
	__map    uintptr
	map_size size_t
	name     [24]int8
	next     uintptr
} /* alltypes.h:351:9 */

type tls_module = struct {
	next   uintptr
	image  uintptr
	len    size_t
	size   size_t
	align  size_t
	offset size_t
} /* libc.h:14:1 */

type __libc = struct {
	can_do_threads  int8
	threaded        int8
	secure          int8
	need_locks      int8
	threads_minus_1 int32
	auxv            uintptr
	tls_head        uintptr
	tls_size        size_t
	tls_align       size_t
	tls_cnt         size_t
	page_size       size_t
	global_locale   struct{ cat [6]uintptr }
} /* libc.h:20:1 */

type time_t = int32 /* alltypes.h:93:16 */

type clockid_t = int32 /* alltypes.h:222:13 */

type timespec = struct {
	tv_sec  time_t
	tv_nsec int32
} /* alltypes.h:237:1 */

type __pthread = struct {
	self          uintptr
	dtv           uintptr
	prev          uintptr
	next          uintptr
	sysinfo       uintptr_t
	canary        uintptr_t
	canary2       uintptr_t
	tid           int32
	errno_val     int32
	detach_state  int32
	cancel        int32
	canceldisable uint8
	cancelasync   uint8
	tsd_used      uint8 /* unsigned char tsd_used: 1, unsigned char dlerror_flag: 1 */
	_             [1]byte
	map_base      uintptr
	map_size      size_t
	stack         uintptr
	stack_size    size_t
	guard_size    size_t
	result        uintptr
	cancelbuf     uintptr
	tsd           uintptr
	robust_list   struct {
		head    uintptr
		off     int32
		_       [4]byte
		pending uintptr
	}
	timer_id      int32
	_             [4]byte
	locale        locale_t
	killlock      [1]int32
	_             [4]byte
	dlerror_buf   uintptr
	stdio_locks   uintptr
	canary_at_end uintptr_t
	_             [4]byte
	dtv_copy      uintptr
} /* alltypes.h:281:9 */

type pthread_t = uintptr /* alltypes.h:281:26 */

type pthread_once_t = int32 /* alltypes.h:287:13 */

type pthread_key_t = uint32 /* alltypes.h:292:18 */

type pthread_spinlock_t = int32 /* alltypes.h:297:13 */

type pthread_mutexattr_t = struct{ __attr uint32 } /* alltypes.h:302:37 */

type pthread_condattr_t = struct{ __attr uint32 } /* alltypes.h:307:37 */

type pthread_barrierattr_t = struct{ __attr uint32 } /* alltypes.h:312:37 */

type pthread_rwlockattr_t = struct{ __attr [2]uint32 } /* alltypes.h:317:40 */

type __sigset_t = struct{ __bits [32]uint32 } /* alltypes.h:357:9 */

type sigset_t = __sigset_t /* alltypes.h:357:71 */

type pthread_attr_t = struct{ __u struct{ __i [9]int32 } } /* alltypes.h:380:147 */

type pthread_mutex_t = struct {
	__u struct {
		_   [0]uint64
		__i [6]int32
		_   [24]byte
	}
} /* alltypes.h:385:157 */

type pthread_cond_t = struct {
	__u struct {
		_   [0]uint64
		__i [12]int32
	}
} /* alltypes.h:395:112 */

type pthread_rwlock_t = struct {
	__u struct {
		_   [0]uint64
		__i [8]int32
		_   [32]byte
	}
} /* alltypes.h:405:139 */

type pthread_barrier_t = struct {
	__u struct {
		_   [0]uint64
		__i [5]int32
		_   [20]byte
	}
} /* alltypes.h:410:137 */

type sched_param = struct {
	sched_priority int32
	__reserved1    int32
	__reserved2    [2]struct {
		__reserved1 time_t
		__reserved2 int32
	}
	__reserved3 int32
} /* sched.h:19:1 */

type timer_t = uintptr /* alltypes.h:217:14 */

type clock_t = int32 /* alltypes.h:227:14 */

type itimerspec = struct {
	it_interval struct {
		tv_sec  time_t
		tv_nsec int32
	}
	it_value struct {
		tv_sec  time_t
		tv_nsec int32
	}
} /* time.h:80:1 */

type sigevent = struct {
	sigev_value struct {
		_         [0]uint64
		sival_int int32
		_         [4]byte
	}
	sigev_signo             int32
	sigev_notify            int32
	sigev_notify_function   uintptr
	sigev_notify_attributes uintptr
	__pad                   [44]int8
	_                       [4]byte
} /* time.h:107:1 */

type __ptcb = struct {
	__f    uintptr
	__x    uintptr
	__next uintptr
} /* alltypes.h:281:9 */

type sigaltstack = struct {
	ss_sp    uintptr
	ss_flags int32
	_        [4]byte
	ss_size  size_t
} /* signal.h:44:9 */

type stack_t = sigaltstack /* signal.h:44:28 */

type greg_t = uint32        /* signal.h:10:23 */
type gregset_t = [34]uint32 /* signal.h:11:23 */

type fpregset_t = struct {
	vregs [32]float64
	fpsr  uint32
	fpcr  uint32
} /* signal.h:17:3 */
type sigcontext = struct {
	fault_address uint32
	regs          [31]uint32
	sp            uint32
	pc            uint32
	pstate        uint32
	_             [4]byte
	__reserved    [256]float64
} /* signal.h:18:9 */

type mcontext_t = sigcontext /* signal.h:23:3 */

type _aarch64_ctx = struct {
	magic uint32
	size  uint32
} /* signal.h:29:1 */

type fpsimd_context = struct {
	head struct {
		magic uint32
		size  uint32
	}
	fpsr  uint32
	fpcr  uint32
	vregs [32]float64
} /* signal.h:33:1 */

type esr_context = struct {
	head struct {
		magic uint32
		size  uint32
	}
	esr uint32
} /* signal.h:39:1 */

type extra_context = struct {
	head struct {
		magic uint32
		size  uint32
	}
	datap      uint32
	size       uint32
	__reserved [3]uint32
} /* signal.h:43:1 */

type sve_context = struct {
	head struct {
		magic uint32
		size  uint32
	}
	vl         uint16
	__reserved [3]uint16
} /* signal.h:49:1 */

type __ucontext = struct {
	uc_flags    uint32
	_           [4]byte
	uc_link     uintptr
	uc_stack    stack_t
	uc_sigmask  sigset_t
	uc_mcontext mcontext_t
} /* signal.h:99:9 */

type ucontext_t = __ucontext /* signal.h:105:3 */

type sigval = struct {
	_         [0]uint64
	sival_int int32
	_         [4]byte
} /* time.h:107:1 */

type siginfo_t = struct {
	si_signo    int32
	si_errno    int32
	si_code     int32
	_           [4]byte
	__si_fields struct {
		_     [0]uint64
		__pad [116]int8
		_     [4]byte
	}
} /* signal.h:145:3 */

type sigaction = struct {
	__sa_handler struct{ sa_handler uintptr }
	sa_mask      sigset_t
	sa_flags     int32
	_            [4]byte
	sa_restorer  uintptr
} /* signal.h:167:1 */

type sig_t = uintptr /* signal.h:251:14 */

type sig_atomic_t = int32 /* signal.h:269:13 */

type mode_t = uint32 /* alltypes.h:160:18 */

type syscall_arg_t = int32 /* syscall.h:22:14 */

func a_ll(tls *TLS, p uintptr) int32 { /* atomic_arch.h:2:19: */
	var v int32
	panic(`arch\aarch64\atomic_arch.h:5:2: assembler statements not supported`)
	return v
}

func a_sc(tls *TLS, p uintptr, v int32) int32 { /* atomic_arch.h:10:19: */
	var r int32
	panic(`arch\aarch64\atomic_arch.h:13:2: assembler statements not supported`)
	return BoolInt32(!(r != 0))
}

func a_barrier(tls *TLS) { /* atomic_arch.h:18:20: */
	panic(`arch\aarch64\atomic_arch.h:20:2: assembler statements not supported`)
}

func a_ll_p(tls *TLS, p uintptr) uintptr { /* atomic_arch.h:38:20: */
	var v uintptr
	panic(`arch\aarch64\atomic_arch.h:41:2: assembler statements not supported`)
	return v
}

func a_sc_p(tls *TLS, p uintptr, v uintptr) int32 { /* atomic_arch.h:46:19: */
	var r int32
	panic(`arch\aarch64\atomic_arch.h:49:2: assembler statements not supported`)
	return BoolInt32(!(r != 0))
}

func a_ctz_64(tls *TLS, x uint64_t) int32 { /* atomic_arch.h:68:19: */
	panic(`arch\aarch64\atomic_arch.h:70:2: assembler statements not supported`)
	return int32(x)
}

func a_fetch_add(tls *TLS, p uintptr, v int32) int32 { /* atomic.h:46:19: */
	var old int32

	for __ccgo := true; __ccgo; __ccgo = !(a_sc(tls, p, int32(uint32(old)+uint32(v))) != 0) {
		old = a_ll(tls, p)
	}

	return old
}

func a_fetch_and(tls *TLS, p uintptr, v int32) int32 { /* atomic.h:59:19: */
	var old int32

	for __ccgo := true; __ccgo; __ccgo = !(a_sc(tls, p, old&v) != 0) {
		old = a_ll(tls, p)
	}

	return old
}

func a_fetch_or(tls *TLS, p uintptr, v int32) int32 { /* atomic.h:72:19: */
	var old int32

	for __ccgo := true; __ccgo; __ccgo = !(a_sc(tls, p, old|v) != 0) {
		old = a_ll(tls, p)
	}

	return old
}

func a_and(tls *TLS, p uintptr, v int32) { /* atomic.h:151:20: */
	a_fetch_and(tls, p, v)
}

func a_or(tls *TLS, p uintptr, v int32) { /* atomic.h:159:20: */
	a_fetch_or(tls, p, v)
}

func a_or_64(tls *TLS, p uintptr, v uint64_t) { /* atomic.h:220:20: */
	bp := tls.Alloc(8)
	defer tls.Free(8)

	*(*struct {
		v uint64_t
		_ [4]byte
	})(unsafe.Pointer(bp)) = func() (r struct {
		v uint64_t
		_ [4]byte
	}) {
		*(*uint64_t)(unsafe.Pointer(uintptr(unsafe.Pointer(&r)) + 0)) = v
		return r
	}()
	if *(*uint32_t)(unsafe.Pointer(bp)) != 0 {
		a_or(tls, p, int32(*(*uint32_t)(unsafe.Pointer(bp))))
	}
	if *(*uint32_t)(unsafe.Pointer(bp + 1*4)) != 0 {
		a_or(tls, p+uintptr(1)*4, int32(*(*uint32_t)(unsafe.Pointer(bp + 1*4))))
	}
}

func a_ctz_32(tls *TLS, x uint32_t) int32 { /* atomic.h:256:19: */
	return int32(_sdebruijn32[x&-x*uint32_t(0x076be629)>>27])
}

var _sdebruijn32 = [32]int8{
	int8(0), int8(1), int8(23), int8(2), int8(29), int8(24), int8(19), int8(3), int8(30), int8(27), int8(25), int8(11), int8(20), int8(8), int8(4), int8(13),
	int8(31), int8(22), int8(28), int8(18), int8(26), int8(10), int8(7), int8(12), int8(21), int8(17), int8(9), int8(6), int8(16), int8(5), int8(15), int8(14),
} /* atomic.h:261:20 */

type __timer = struct {
	timerid int32
	_       [4]byte
	thread  pthread_t
} /* pthread_impl.h:64:1 */

func __pthread_self(tls *TLS) uintptr { /* pthread_arch.h:1:30: */
	var self uintptr
	panic(`arch\aarch64\pthread_arch.h:4:2: assembler statements not supported`)
	return self - uintptr(uint64(unsafe.Sizeof(__pthread{})))
}

func Xwcrtomb(tls *TLS, s uintptr, wc wchar_t, st uintptr) size_t { /* wcrtomb.c:6:8: */
	if __ccgo_strace {
		trc("tls=%v s=%v wc=%v st=%v, (%v:)", tls, s, wc, st, origin(2))
	}
	if !(s != 0) {
		return uint64(1)
	}
	if uint32(wc) < uint32(0x80) {
		*(*int8)(unsafe.Pointer(s)) = int8(wc)
		return uint64(1)
	} else if func() int32 {
		if !!(int32(*(*uintptr)(unsafe.Pointer((*__pthread)(unsafe.Pointer(__pthread_self(tls))).locale))) != 0) {
			return 4
		}
		return 1
	}() == 1 {
		if !(uint32(wc)-uint32(0xdf80) < uint32(0x80)) {
			*(*int32)(unsafe.Pointer(X___errno_location(tls))) = 84
			return Uint64FromInt32(-1)
		}
		*(*int8)(unsafe.Pointer(s)) = int8(wc)
		return uint64(1)
	} else if uint32(wc) < uint32(0x800) {
		*(*int8)(unsafe.Pointer(PostIncUintptr(&s, 1))) = int8(0xc0 | int32(wc)>>6)
		*(*int8)(unsafe.Pointer(s)) = int8(0x80 | int32(wc)&0x3f)
		return uint64(2)
	} else if uint32(wc) < uint32(0xd800) || uint32(wc)-uint32(0xe000) < uint32(0x2000) {
		*(*int8)(unsafe.Pointer(PostIncUintptr(&s, 1))) = int8(0xe0 | int32(wc)>>12)
		*(*int8)(unsafe.Pointer(PostIncUintptr(&s, 1))) = int8(0x80 | int32(wc)>>6&0x3f)
		*(*int8)(unsafe.Pointer(s)) = int8(0x80 | int32(wc)&0x3f)
		return uint64(3)
	} else if uint32(wc)-uint32(0x10000) < uint32(0x100000) {
		*(*int8)(unsafe.Pointer(PostIncUintptr(&s, 1))) = int8(0xf0 | int32(wc)>>18)
		*(*int8)(unsafe.Pointer(PostIncUintptr(&s, 1))) = int8(0x80 | int32(wc)>>12&0x3f)
		*(*int8)(unsafe.Pointer(PostIncUintptr(&s, 1))) = int8(0x80 | int32(wc)>>6&0x3f)
		*(*int8)(unsafe.Pointer(s)) = int8(0x80 | int32(wc)&0x3f)
		return uint64(4)
	}
	*(*int32)(unsafe.Pointer(X___errno_location(tls))) = 84
	return Uint64FromInt32(-1)
}

func Xwcsrtombs(tls *TLS, s uintptr, ws uintptr, n size_t, st uintptr) size_t { /* wcsrtombs.c:3:8: */
	if __ccgo_strace {
		trc("tls=%v s=%v ws=%v n=%v st=%v, (%v:)", tls, s, ws, n, st, origin(2))
	}
	bp := tls.Alloc(4)
	defer tls.Free(4)

	var ws2 uintptr
	// var buf [4]int8 at bp, 4

	var N size_t = n
	var l size_t
	if !(s != 0) {
		n = uint64(0)
		ws2 = *(*uintptr)(unsafe.Pointer(ws))
		for ; *(*wchar_t)(unsafe.Pointer(ws2)) != 0; ws2 += 2 {
			if uint32(*(*wchar_t)(unsafe.Pointer(ws2))) >= 0x80 {
				l = Xwcrtomb(tls, bp, *(*wchar_t)(unsafe.Pointer(ws2)), uintptr(0))
				if !(l+uint64(1) != 0) {
					return Uint64FromInt32(-1)
				}
				n = n + l
			} else {
				n++
			}
		}
		return n
	}
	for n >= uint64(4) {
		if uint32(*(*wchar_t)(unsafe.Pointer(*(*uintptr)(unsafe.Pointer(ws)))))-1 >= 0x7f {
			if !(int32(*(*wchar_t)(unsafe.Pointer(*(*uintptr)(unsafe.Pointer(ws))))) != 0) {
				*(*int8)(unsafe.Pointer(s)) = int8(0)
				*(*uintptr)(unsafe.Pointer(ws)) = uintptr(0)
				return N - n
			}
			l = Xwcrtomb(tls, s, *(*wchar_t)(unsafe.Pointer(*(*uintptr)(unsafe.Pointer(ws)))), uintptr(0))
			if !(l+uint64(1) != 0) {
				return Uint64FromInt32(-1)
			}
			s += uintptr(l)
			n = n - l
		} else {
			*(*int8)(unsafe.Pointer(PostIncUintptr(&s, 1))) = int8(*(*wchar_t)(unsafe.Pointer(*(*uintptr)(unsafe.Pointer(ws)))))
			n--
		}
		*(*uintptr)(unsafe.Pointer(ws)) += 2
	}
	for n != 0 {
		if uint32(*(*wchar_t)(unsafe.Pointer(*(*uintptr)(unsafe.Pointer(ws)))))-1 >= 0x7f {
			if !(int32(*(*wchar_t)(unsafe.Pointer(*(*uintptr)(unsafe.Pointer(ws))))) != 0) {
				*(*int8)(unsafe.Pointer(s)) = int8(0)
				*(*uintptr)(unsafe.Pointer(ws)) = uintptr(0)
				return N - n
			}
			l = Xwcrtomb(tls, bp, *(*wchar_t)(unsafe.Pointer(*(*uintptr)(unsafe.Pointer(ws)))), uintptr(0))
			if !(l+uint64(1) != 0) {
				return Uint64FromInt32(-1)
			}
			if l > n {
				return N - n
			}
			Xwcrtomb(tls, s, *(*wchar_t)(unsafe.Pointer(*(*uintptr)(unsafe.Pointer(ws)))), uintptr(0))
			s += uintptr(l)
			n = n - l
		} else {
			*(*int8)(unsafe.Pointer(PostIncUintptr(&s, 1))) = int8(*(*wchar_t)(unsafe.Pointer(*(*uintptr)(unsafe.Pointer(ws)))))
			n--
		}
		*(*uintptr)(unsafe.Pointer(ws)) += 2
	}
	return N
}

func Xwcstombs(tls *TLS, s uintptr, ws uintptr, n size_t) size_t { /* wcstombs.c:4:8: */
	if __ccgo_strace {
		trc("tls=%v s=%v ws=%v n=%v, (%v:)", tls, s, ws, n, origin(2))
	}
	bp := tls.Alloc(8)
	defer tls.Free(8)
	*(*uintptr)(unsafe.Pointer(bp)) = ws

	//TODO return wcsrtombs(s, &(const wchar_t *){ws}, n, 0);
	return Xwcsrtombs(tls, s, bp, n, uintptr(0))
}

func Xbsearch(tls *TLS, key uintptr, base uintptr, nel size_t, width size_t, cmp uintptr) uintptr { /* bsearch.c:3:6: */
	if __ccgo_strace {
		trc("tls=%v key=%v base=%v nel=%v width=%v cmp=%v, (%v:)", tls, key, base, nel, width, cmp, origin(2))
	}
	var try uintptr
	var sign int32
	for nel > uint64(0) {
		try = base + uintptr(width*(nel/uint64(2)))
		sign = (*struct {
			f func(*TLS, uintptr, uintptr) int32
		})(unsafe.Pointer(&struct{ uintptr }{cmp})).f(tls, key, try)
		if sign < 0 {
			nel = nel / uint64(2)
		} else if sign > 0 {
			base = try + uintptr(width)
			nel = nel - (nel/uint64(2) + uint64(1))
		} else {
			return try
		}
	}
	return uintptr(0)
}

// Support signed or unsigned plain-char

// Implementation choices...

// Arbitrary numbers...

// POSIX/SUS requirements follow. These numbers come directly
// from SUS and have nothing to do with the host system.

func X__strchrnul(tls *TLS, s uintptr, c int32) uintptr { /* strchrnul.c:10:6: */
	if __ccgo_strace {
		trc("tls=%v s=%v c=%v, (%v:)", tls, s, c, origin(2))
	}
	c = int32(uint8(c))
	if !(c != 0) {
		return s + uintptr(Xstrlen(tls, s))
	}
	var w uintptr
	for ; uint64(s)%uint64(unsafe.Sizeof(size_t(0))) != 0; s++ {
		if !(int32(*(*int8)(unsafe.Pointer(s))) != 0) || int32(*(*uint8)(unsafe.Pointer(s))) == c {
			return s
		}
	}
	var k size_t = Uint64(Uint64FromInt32(-1)) / uint64(255) * size_t(c)
	for w = s; !((*(*uint64)(unsafe.Pointer(w))-Uint64(Uint64FromInt32(-1))/uint64(255)) & ^*(*uint64)(unsafe.Pointer(w)) & (Uint64(Uint64FromInt32(-1))/uint64(255)*uint64(255/2+1)) != 0) && !((*(*uint64)(unsafe.Pointer(w))^k-Uint64(Uint64FromInt32(-1))/uint64(255)) & ^(*(*uint64)(unsafe.Pointer(w))^k) & (Uint64(Uint64FromInt32(-1))/uint64(255)*uint64(255/2+1)) != 0); w += 8 {
	}
	s = w
	for ; *(*int8)(unsafe.Pointer(s)) != 0 && int32(*(*uint8)(unsafe.Pointer(s))) != c; s++ {
	}
	return s
}

func Xstrdup(tls *TLS, s uintptr) uintptr { /* strdup.c:4:6: */
	if __ccgo_strace {
		trc("tls=%v s=%v, (%v:)", tls, s, origin(2))
	}
	var l size_t = Xstrlen(tls, s)
	var d uintptr = Xmalloc(tls, l+uint64(1))
	if !(d != 0) {
		return uintptr(0)
	}
	return Xmemcpy(tls, d, s, l+uint64(1))
}