Add dependencies/vendor (whatsapp)

1 files changed, 1413 insertions, 0 deletions

diff --git a/vendor/modernc.org/libc/libc.go b/vendor/modernc.org/libc/libc.go
new file mode 100644
index 00000000..7831aea1
--- /dev/null
+++ b/vendor/modernc.org/libc/libc.go
@@ -0,0 +1,1413 @@
+// Copyright 2020 The Libc Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+//go.generate echo package libc > ccgo.go
+//go:generate go run generate.go
+//go:generate go fmt ./...
+
+// Package libc provides run time support for ccgo generated programs and
+// implements selected parts of the C standard library.
+package libc // import "modernc.org/libc"
+
+//TODO use O_RDONLY etc. from fcntl header
+
+//TODO use t.Alloc/Free where appropriate
+
+import (
+	"bufio"
+	crand "crypto/rand"
+	"fmt"
+	"math"
+	mbits "math/bits"
+	"math/rand"
+	"os"
+	"runtime"
+	"runtime/debug"
+	"sort"
+	"strings"
+	"sync"
+	"sync/atomic"
+	gotime "time"
+	"unsafe"
+
+	"github.com/mattn/go-isatty"
+	"modernc.org/libc/errno"
+	"modernc.org/libc/stdio"
+	"modernc.org/libc/sys/types"
+	"modernc.org/libc/time"
+	"modernc.org/libc/unistd"
+	"modernc.org/mathutil"
+)
+
+type (
+	// RawMem64 represents the biggest uint64 array the runtime can handle.
+	RawMem64 [unsafe.Sizeof(RawMem{}) / unsafe.Sizeof(uint64(0))]uint64
+)
+
+var (
+	allocMu            sync.Mutex
+	environInitialized bool
+	isWindows          bool
+)
+
+// Keep these outside of the var block otherwise go generate will miss them.
+var Xenviron uintptr
+var Xstdin = newFile(nil, unistd.STDIN_FILENO)
+var Xstdout = newFile(nil, unistd.STDOUT_FILENO)
+var Xstderr = newFile(nil, unistd.STDERR_FILENO)
+
+func setEnviron() {
+	SetEnviron(nil, os.Environ())
+}
+
+func Environ() uintptr {
+	if !environInitialized {
+		SetEnviron(nil, os.Environ())
+	}
+	return Xenviron
+}
+
+func EnvironP() uintptr {
+	if !environInitialized {
+		SetEnviron(nil, os.Environ())
+	}
+	return uintptr(unsafe.Pointer(&Xenviron))
+}
+
+func X___errno_location(t *TLS) uintptr {
+	return X__errno_location(t)
+}
+
+// int * __errno_location(void);
+func X__errno_location(t *TLS) uintptr {
+	return t.errnop
+}
+
+func Start(main func(*TLS, int32, uintptr) int32) {
+	if dmesgs {
+		wd, err := os.Getwd()
+		dmesg("%v: %v, wd %v, %v", origin(1), os.Args, wd, err)
+
+		defer func() {
+			if err := recover(); err != nil {
+				dmesg("%v: CRASH: %v\n%s", origin(1), err, debug.Stack())
+			}
+		}()
+	}
+	runtime.LockOSThread()
+	t := &TLS{errnop: uintptr(unsafe.Pointer(&errno0))}
+	argv := Xcalloc(t, 1, types.Size_t((len(os.Args)+1)*int(uintptrSize)))
+	if argv == 0 {
+		panic("OOM")
+	}
+
+	p := argv
+	for _, v := range os.Args {
+		s := Xcalloc(t, 1, types.Size_t(len(v)+1))
+		if s == 0 {
+			panic("OOM")
+		}
+
+		copy((*RawMem)(unsafe.Pointer(s))[:len(v):len(v)], v)
+		*(*uintptr)(unsafe.Pointer(p)) = s
+		p += uintptrSize
+	}
+	SetEnviron(t, os.Environ())
+	audit := false
+	if memgrind {
+		if s := os.Getenv("LIBC_MEMGRIND_START"); s != "0" {
+			MemAuditStart()
+			audit = true
+		}
+	}
+	t = NewTLS()
+	rc := main(t, int32(len(os.Args)), argv)
+	exit(t, rc, audit)
+}
+
+func Xexit(t *TLS, status int32) { exit(t, status, false) }
+
+func exit(t *TLS, status int32, audit bool) {
+	if len(Covered) != 0 {
+		buf := bufio.NewWriter(os.Stdout)
+		CoverReport(buf)
+		buf.Flush()
+	}
+	if len(CoveredC) != 0 {
+		buf := bufio.NewWriter(os.Stdout)
+		CoverCReport(buf)
+		buf.Flush()
+	}
+	for _, v := range atExit {
+		v()
+	}
+	if audit {
+		t.Close()
+		if tlsBalance != 0 {
+			fmt.Fprintf(os.Stderr, "non zero TLS balance: %d\n", tlsBalance)
+			status = 1
+		}
+	}
+	X_exit(nil, status)
+}
+
+// void _exit(int status);
+func X_exit(_ *TLS, status int32) {
+	if dmesgs {
+		dmesg("%v: EXIT %v", origin(1), status)
+	}
+	os.Exit(int(status))
+}
+
+func SetEnviron(t *TLS, env []string) {
+	environInitialized = true
+	p := Xcalloc(t, 1, types.Size_t((len(env)+1)*(int(uintptrSize))))
+	if p == 0 {
+		panic("OOM")
+	}
+
+	Xenviron = p
+	for _, v := range env {
+		s := Xcalloc(t, 1, types.Size_t(len(v)+1))
+		if s == 0 {
+			panic("OOM")
+		}
+
+		copy((*(*RawMem)(unsafe.Pointer(s)))[:len(v):len(v)], v)
+		*(*uintptr)(unsafe.Pointer(p)) = s
+		p += uintptrSize
+	}
+}
+
+// void setbuf(FILE *stream, char *buf);
+func Xsetbuf(t *TLS, stream, buf uintptr) {
+	//TODO panic(todo(""))
+}
+
+// size_t confstr(int name, char *buf, size_t len);
+func Xconfstr(t *TLS, name int32, buf uintptr, len types.Size_t) types.Size_t {
+	panic(todo(""))
+}
+
+// int puts(const char *s);
+func Xputs(t *TLS, s uintptr) int32 {
+	panic(todo(""))
+}
+
+var (
+	randomMu  sync.Mutex
+	randomGen = rand.New(rand.NewSource(42))
+)
+
+// long int random(void);
+func Xrandom(t *TLS) long {
+	randomMu.Lock()
+	r := randomGen.Int63n(math.MaxInt32 + 1)
+	randomMu.Unlock()
+	return long(r)
+}
+
+func write(b []byte) (int, error) {
+	// if dmesgs {
+	// 	dmesg("%v: %s", origin(1), b)
+	// }
+	if _, err := os.Stdout.Write(b); err != nil {
+		return -1, err
+	}
+
+	return len(b), nil
+}
+
+func X__builtin_bzero(t *TLS, s uintptr, n types.Size_t)              { Xbzero(t, s, n) }
+func X__builtin_abort(t *TLS)                                         { Xabort(t) }
+func X__builtin_abs(t *TLS, j int32) int32                            { return Xabs(t, j) }
+func X__builtin_clz(t *TLS, n uint32) int32                           { return int32(mbits.LeadingZeros32(n)) }
+func X__builtin_clzl(t *TLS, n ulong) int32                           { return int32(mbits.LeadingZeros64(uint64(n))) }
+func X__builtin_clzll(t *TLS, n uint64) int32                         { return int32(mbits.LeadingZeros64(n)) }
+func X__builtin_constant_p_impl()                                     { panic(todo("internal error: should never be called")) }
+func X__builtin_copysign(t *TLS, x, y float64) float64                { return Xcopysign(t, x, y) }
+func X__builtin_copysignf(t *TLS, x, y float32) float32               { return Xcopysignf(t, x, y) }
+func X__builtin_copysignl(t *TLS, x, y float64) float64               { return Xcopysign(t, x, y) }
+func X__builtin_exit(t *TLS, status int32)                            { Xexit(t, status) }
+func X__builtin_expect(t *TLS, exp, c long) long                      { return exp }
+func X__builtin_fabs(t *TLS, x float64) float64                       { return Xfabs(t, x) }
+func X__builtin_fabsf(t *TLS, x float32) float32                      { return Xfabsf(t, x) }
+func X__builtin_fabsl(t *TLS, x float64) float64                      { return Xfabsl(t, x) }
+func X__builtin_free(t *TLS, ptr uintptr)                             { Xfree(t, ptr) }
+func X__builtin_getentropy(t *TLS, buf uintptr, n types.Size_t) int32 { return Xgetentropy(t, buf, n) }
+func X__builtin_huge_val(t *TLS) float64                              { return math.Inf(1) }
+func X__builtin_huge_valf(t *TLS) float32                             { return float32(math.Inf(1)) }
+func X__builtin_inf(t *TLS) float64                                   { return math.Inf(1) }
+func X__builtin_inff(t *TLS) float32                                  { return float32(math.Inf(1)) }
+func X__builtin_infl(t *TLS) float64                                  { return math.Inf(1) }
+func X__builtin_malloc(t *TLS, size types.Size_t) uintptr             { return Xmalloc(t, size) }
+func X__builtin_memcmp(t *TLS, s1, s2 uintptr, n types.Size_t) int32  { return Xmemcmp(t, s1, s2, n) }
+func X__builtin_nan(t *TLS, s uintptr) float64                        { return math.NaN() }
+func X__builtin_nanf(t *TLS, s uintptr) float32                       { return float32(math.NaN()) }
+func X__builtin_nanl(t *TLS, s uintptr) float64                       { return math.NaN() }
+func X__builtin_prefetch(t *TLS, addr, args uintptr)                  {}
+func X__builtin_printf(t *TLS, s, args uintptr) int32                 { return Xprintf(t, s, args) }
+func X__builtin_strchr(t *TLS, s uintptr, c int32) uintptr            { return Xstrchr(t, s, c) }
+func X__builtin_strcmp(t *TLS, s1, s2 uintptr) int32                  { return Xstrcmp(t, s1, s2) }
+func X__builtin_strcpy(t *TLS, dest, src uintptr) uintptr             { return Xstrcpy(t, dest, src) }
+func X__builtin_strlen(t *TLS, s uintptr) types.Size_t                { return Xstrlen(t, s) }
+func X__builtin_trap(t *TLS)                                          { Xabort(t) }
+func X__isnan(t *TLS, arg float64) int32                              { return X__builtin_isnan(t, arg) }
+func X__isnanf(t *TLS, arg float32) int32                             { return Xisnanf(t, arg) }
+func X__isnanl(t *TLS, arg float64) int32                             { return Xisnanl(t, arg) }
+
+func Xvfprintf(t *TLS, stream, format, ap uintptr) int32 { return Xfprintf(t, stream, format, ap) }
+
+// int __builtin_popcount (unsigned int x)
+func X__builtin_popcount(t *TLS, x uint32) int32 {
+	return int32(mbits.OnesCount32(x))
+}
+
+// int __builtin_popcountl (unsigned long x)
+func X__builtin_popcountl(t *TLS, x ulong) int32 {
+	return int32(mbits.OnesCount64(uint64(x)))
+}
+
+// char * __builtin___strcpy_chk (char *dest, const char *src, size_t os);
+func X__builtin___strcpy_chk(t *TLS, dest, src uintptr, os types.Size_t) uintptr {
+	return Xstrcpy(t, dest, src)
+}
+
+func X__builtin_mmap(t *TLS, addr uintptr, length types.Size_t, prot, flags, fd int32, offset types.Off_t) uintptr {
+	return Xmmap(t, addr, length, prot, flags, fd, offset)
+}
+
+// uint16_t __builtin_bswap16 (uint32_t x)
+func X__builtin_bswap16(t *TLS, x uint16) uint16 {
+	return x<<8 |
+		x>>8
+}
+
+// uint32_t __builtin_bswap32 (uint32_t x)
+func X__builtin_bswap32(t *TLS, x uint32) uint32 {
+	return x<<24 |
+		x&0xff00<<8 |
+		x&0xff0000>>8 |
+		x>>24
+}
+
+// uint64_t __builtin_bswap64 (uint64_t x)
+func X__builtin_bswap64(t *TLS, x uint64) uint64 {
+	return x<<56 |
+		x&0xff00<<40 |
+		x&0xff0000<<24 |
+		x&0xff000000<<8 |
+		x&0xff00000000>>8 |
+		x&0xff0000000000>>24 |
+		x&0xff000000000000>>40 |
+		x>>56
+}
+
+// bool __builtin_add_overflow (type1 a, type2 b, type3 *res)
+func X__builtin_add_overflowInt64(t *TLS, a, b int64, res uintptr) int32 {
+	r, ovf := mathutil.AddOverflowInt64(a, b)
+	*(*int64)(unsafe.Pointer(res)) = r
+	return Bool32(ovf)
+}
+
+// bool __builtin_add_overflow (type1 a, type2 b, type3 *res)
+func X__builtin_add_overflowUint32(t *TLS, a, b uint32, res uintptr) int32 {
+	r := a + b
+	*(*uint32)(unsafe.Pointer(res)) = r
+	return Bool32(r < a)
+}
+
+// bool __builtin_add_overflow (type1 a, type2 b, type3 *res)
+func X__builtin_add_overflowUint64(t *TLS, a, b uint64, res uintptr) int32 {
+	r := a + b
+	*(*uint64)(unsafe.Pointer(res)) = r
+	return Bool32(r < a)
+}
+
+// bool __builtin_sub_overflow (type1 a, type2 b, type3 *res)
+func X__builtin_sub_overflowInt64(t *TLS, a, b int64, res uintptr) int32 {
+	r, ovf := mathutil.SubOverflowInt64(a, b)
+	*(*int64)(unsafe.Pointer(res)) = r
+	return Bool32(ovf)
+}
+
+// bool __builtin_mul_overflow (type1 a, type2 b, type3 *res)
+func X__builtin_mul_overflowInt64(t *TLS, a, b int64, res uintptr) int32 {
+	r, ovf := mathutil.MulOverflowInt64(a, b)
+	*(*int64)(unsafe.Pointer(res)) = r
+	return Bool32(ovf)
+}
+
+// bool __builtin_mul_overflow (type1 a, type2 b, type3 *res)
+func X__builtin_mul_overflowUint64(t *TLS, a, b uint64, res uintptr) int32 {
+	hi, lo := mbits.Mul64(a, b)
+	*(*uint64)(unsafe.Pointer(res)) = lo
+	return Bool32(hi != 0)
+}
+
+// bool __builtin_mul_overflow (type1 a, type2 b, type3 *res)
+func X__builtin_mul_overflowUint128(t *TLS, a, b Uint128, res uintptr) int32 {
+	r, ovf := a.mulOvf(b)
+	*(*Uint128)(unsafe.Pointer(res)) = r
+	return Bool32(ovf)
+}
+
+func X__builtin_unreachable(t *TLS) {
+	fmt.Fprintf(os.Stderr, "unrechable\n")
+	os.Stderr.Sync()
+	Xexit(t, 1)
+}
+
+func X__builtin_snprintf(t *TLS, str uintptr, size types.Size_t, format, args uintptr) int32 {
+	return Xsnprintf(t, str, size, format, args)
+}
+
+func X__builtin_sprintf(t *TLS, str, format, args uintptr) (r int32) {
+	return Xsprintf(t, str, format, args)
+}
+
+func X__builtin_memcpy(t *TLS, dest, src uintptr, n types.Size_t) (r uintptr) {
+	return Xmemcpy(t, dest, src, n)
+}
+
+// void * __builtin___memcpy_chk (void *dest, const void *src, size_t n, size_t os);
+func X__builtin___memcpy_chk(t *TLS, dest, src uintptr, n, os types.Size_t) (r uintptr) {
+	if os != ^types.Size_t(0) && n < os {
+		Xabort(t)
+	}
+
+	return Xmemcpy(t, dest, src, n)
+}
+
+func X__builtin_memset(t *TLS, s uintptr, c int32, n types.Size_t) uintptr {
+	return Xmemset(t, s, c, n)
+}
+
+// void * __builtin___memset_chk (void *s, int c, size_t n, size_t os);
+func X__builtin___memset_chk(t *TLS, s uintptr, c int32, n, os types.Size_t) uintptr {
+	if os < n {
+		Xabort(t)
+	}
+
+	return Xmemset(t, s, c, n)
+}
+
+// size_t __builtin_object_size (const void * ptr, int type)
+func X__builtin_object_size(t *TLS, p uintptr, typ int32) types.Size_t {
+	return ^types.Size_t(0) //TODO frontend magic
+}
+
+var atomicLoadStore16 sync.Mutex
+
+func AtomicLoadNUint16(ptr uintptr, memorder int16) uint16 {
+	atomicLoadStore16.Lock()
+	r := *(*uint16)(unsafe.Pointer(ptr))
+	atomicLoadStore16.Unlock()
+	return r
+}
+
+func AtomicStoreNUint16(ptr uintptr, val uint16, memorder int32) {
+	atomicLoadStore16.Lock()
+	*(*uint16)(unsafe.Pointer(ptr)) = val
+	atomicLoadStore16.Unlock()
+}
+
+// int sprintf(char *str, const char *format, ...);
+func Xsprintf(t *TLS, str, format, args uintptr) (r int32) {
+	b := printf(format, args)
+	r = int32(len(b))
+	copy((*RawMem)(unsafe.Pointer(str))[:r:r], b)
+	*(*byte)(unsafe.Pointer(str + uintptr(r))) = 0
+	return int32(len(b))
+}
+
+// int __builtin___sprintf_chk (char *s, int flag, size_t os, const char *fmt, ...);
+func X__builtin___sprintf_chk(t *TLS, s uintptr, flag int32, os types.Size_t, format, args uintptr) (r int32) {
+	return Xsprintf(t, s, format, args)
+}
+
+// void qsort(void *base, size_t nmemb, size_t size, int (*compar)(const void *, const void *));
+func Xqsort(t *TLS, base uintptr, nmemb, size types.Size_t, compar uintptr) {
+	sort.Sort(&sorter{
+		len:  int(nmemb),
+		base: base,
+		sz:   uintptr(size),
+		f: (*struct {
+			f func(*TLS, uintptr, uintptr) int32
+		})(unsafe.Pointer(&struct{ uintptr }{compar})).f,
+		t: t,
+	})
+}
+
+// void __assert_fail(const char * assertion, const char * file, unsigned int line, const char * function);
+func X__assert_fail(t *TLS, assertion, file uintptr, line uint32, function uintptr) {
+	fmt.Fprintf(os.Stderr, "assertion failure: %s:%d.%s: %s\n", GoString(file), line, GoString(function), GoString(assertion))
+	if memgrind {
+		fmt.Fprintf(os.Stderr, "%s\n", debug.Stack())
+	}
+	os.Stderr.Sync()
+	Xexit(t, 1)
+}
+
+// int vprintf(const char *format, va_list ap);
+func Xvprintf(t *TLS, s, ap uintptr) int32 { return Xprintf(t, s, ap) }
+
+// int vsprintf(char *str, const char *format, va_list ap);
+func Xvsprintf(t *TLS, str, format, va uintptr) int32 {
+	return Xsprintf(t, str, format, va)
+}
+
+// int vsnprintf(char *str, size_t size, const char *format, va_list ap);
+func Xvsnprintf(t *TLS, str uintptr, size types.Size_t, format, va uintptr) int32 {
+	return Xsnprintf(t, str, size, format, va)
+}
+
+// int obstack_vprintf (struct obstack *obstack, const char *template, va_list ap)
+func Xobstack_vprintf(t *TLS, obstack, template, va uintptr) int32 {
+	panic(todo(""))
+}
+
+// extern void _obstack_newchunk(struct obstack *, int);
+func X_obstack_newchunk(t *TLS, obstack uintptr, length int32) int32 {
+	panic(todo(""))
+}
+
+// int _obstack_begin (struct obstack *h, _OBSTACK_SIZE_T size, _OBSTACK_SIZE_T alignment,	void *(*chunkfun) (size_t),  void (*freefun) (void *))
+func X_obstack_begin(t *TLS, obstack uintptr, size, alignment int32, chunkfun, freefun uintptr) int32 {
+	panic(todo(""))
+}
+
+// void obstack_free (struct obstack *h, void *obj)
+func Xobstack_free(t *TLS, obstack, obj uintptr) {
+	panic(todo(""))
+}
+
+// unsigned int sleep(unsigned int seconds);
+func Xsleep(t *TLS, seconds uint32) uint32 {
+	gotime.Sleep(gotime.Second * gotime.Duration(seconds))
+	return 0
+}
+
+// size_t strcspn(const char *s, const char *reject);
+func Xstrcspn(t *TLS, s, reject uintptr) (r types.Size_t) {
+	bits := newBits(256)
+	for {
+		c := *(*byte)(unsafe.Pointer(reject))
+		if c == 0 {
+			break
+		}
+
+		reject++
+		bits.set(int(c))
+	}
+	for {
+		c := *(*byte)(unsafe.Pointer(s))
+		if c == 0 || bits.has(int(c)) {
+			return r
+		}
+
+		s++
+		r++
+	}
+}
+
+// int printf(const char *format, ...);
+func Xprintf(t *TLS, format, args uintptr) int32 {
+	n, _ := write(printf(format, args))
+	return int32(n)
+}
+
+// int snprintf(char *str, size_t size, const char *format, ...);
+func Xsnprintf(t *TLS, str uintptr, size types.Size_t, format, args uintptr) (r int32) {
+	if format == 0 {
+		return 0
+	}
+
+	b := printf(format, args)
+	r = int32(len(b))
+	if size == 0 {
+		return r
+	}
+
+	if len(b)+1 > int(size) {
+		b = b[:size-1]
+	}
+	n := len(b)
+	copy((*RawMem)(unsafe.Pointer(str))[:n:n], b)
+	*(*byte)(unsafe.Pointer(str + uintptr(n))) = 0
+	return r
+}
+
+// int __builtin___snprintf_chk(char * str, size_t maxlen, int flag, size_t os, const char * format, ...);
+func X__builtin___snprintf_chk(t *TLS, str uintptr, maxlen types.Size_t, flag int32, os types.Size_t, format, args uintptr) (r int32) {
+	if os != ^types.Size_t(0) && maxlen > os {
+		Xabort(t)
+	}
+
+	return Xsnprintf(t, str, maxlen, format, args)
+}
+
+// int __builtin___vsnprintf_chk (char *s, size_t maxlen, int flag, size_t os, const char *fmt, va_list ap);
+func X__builtin___vsnprintf_chk(t *TLS, str uintptr, maxlen types.Size_t, flag int32, os types.Size_t, format, args uintptr) (r int32) {
+	if os != ^types.Size_t(0) && maxlen > os {
+		Xabort(t)
+	}
+
+	return Xsnprintf(t, str, maxlen, format, args)
+}
+
+// int abs(int j);
+func Xabs(t *TLS, j int32) int32 {
+	if j >= 0 {
+		return j
+	}
+
+	return -j
+}
+
+func X__builtin_isnan(t *TLS, x float64) int32    { return Bool32(math.IsNaN(x)) }
+func Xacos(t *TLS, x float64) float64             { return math.Acos(x) }
+func Xacosh(t *TLS, x float64) float64            { return math.Acosh(x) }
+func Xasin(t *TLS, x float64) float64             { return math.Asin(x) }
+func Xasinh(t *TLS, x float64) float64            { return math.Asinh(x) }
+func Xatan(t *TLS, x float64) float64             { return math.Atan(x) }
+func Xatan2(t *TLS, x, y float64) float64         { return math.Atan2(x, y) }
+func Xatanh(t *TLS, x float64) float64            { return math.Atanh(x) }
+func Xceil(t *TLS, x float64) float64             { return math.Ceil(x) }
+func Xceilf(t *TLS, x float32) float32            { return float32(math.Ceil(float64(x))) }
+func Xcopysign(t *TLS, x, y float64) float64      { return math.Copysign(x, y) }
+func Xcopysignf(t *TLS, x, y float32) float32     { return float32(math.Copysign(float64(x), float64(y))) }
+func Xcos(t *TLS, x float64) float64              { return math.Cos(x) }
+func Xcosf(t *TLS, x float32) float32             { return float32(math.Cos(float64(x))) }
+func Xcosh(t *TLS, x float64) float64             { return math.Cosh(x) }
+func Xexp(t *TLS, x float64) float64              { return math.Exp(x) }
+func Xfabs(t *TLS, x float64) float64             { return math.Abs(x) }
+func Xfabsf(t *TLS, x float32) float32            { return float32(math.Abs(float64(x))) }
+func Xfloor(t *TLS, x float64) float64            { return math.Floor(x) }
+func Xfmod(t *TLS, x, y float64) float64          { return math.Mod(x, y) }
+func Xhypot(t *TLS, x, y float64) float64         { return math.Hypot(x, y) }
+func Xisnan(t *TLS, x float64) int32              { return X__builtin_isnan(t, x) }
+func Xisnanf(t *TLS, x float32) int32             { return Bool32(math.IsNaN(float64(x))) }
+func Xisnanl(t *TLS, x float64) int32             { return Bool32(math.IsNaN(x)) } // ccgo has to handle long double as double as Go does not support long double.
+func Xldexp(t *TLS, x float64, exp int32) float64 { return math.Ldexp(x, int(exp)) }
+func Xlog(t *TLS, x float64) float64              { return math.Log(x) }
+func Xlog10(t *TLS, x float64) float64            { return math.Log10(x) }
+func Xround(t *TLS, x float64) float64            { return math.Round(x) }
+func Xsin(t *TLS, x float64) float64              { return math.Sin(x) }
+func Xsinf(t *TLS, x float32) float32             { return float32(math.Sin(float64(x))) }
+func Xsinh(t *TLS, x float64) float64             { return math.Sinh(x) }
+func Xsqrt(t *TLS, x float64) float64             { return math.Sqrt(x) }
+func Xtan(t *TLS, x float64) float64              { return math.Tan(x) }
+func Xtanh(t *TLS, x float64) float64             { return math.Tanh(x) }
+func Xtrunc(t *TLS, x float64) float64            { return math.Trunc(x) }
+
+var nextRand = uint64(1)
+
+// int rand(void);
+func Xrand(t *TLS) int32 {
+	nextRand = nextRand*1103515245 + 12345
+	return int32(uint32(nextRand / (math.MaxUint32 + 1) % math.MaxInt32))
+}
+
+func Xpow(t *TLS, x, y float64) float64 {
+	r := math.Pow(x, y)
+	if x > 0 && r == 1 && y >= -1.0000000000000000715e-18 && y < -1e-30 {
+		r = 0.9999999999999999
+	}
+	return r
+}
+
+func Xfrexp(t *TLS, x float64, exp uintptr) float64 {
+	f, e := math.Frexp(x)
+	*(*int32)(unsafe.Pointer(exp)) = int32(e)
+	return f
+}
+
+func Xmodf(t *TLS, x float64, iptr uintptr) float64 {
+	i, f := math.Modf(x)
+	*(*float64)(unsafe.Pointer(iptr)) = i
+	return f
+}
+
+// char *strncpy(char *dest, const char *src, size_t n)
+func Xstrncpy(t *TLS, dest, src uintptr, n types.Size_t) (r uintptr) {
+	r = dest
+	for c := *(*int8)(unsafe.Pointer(src)); c != 0 && n > 0; n-- {
+		*(*int8)(unsafe.Pointer(dest)) = c
+		dest++
+		src++
+		c = *(*int8)(unsafe.Pointer(src))
+	}
+	for ; uintptr(n) > 0; n-- {
+		*(*int8)(unsafe.Pointer(dest)) = 0
+		dest++
+	}
+	return r
+}
+
+// char * __builtin___strncpy_chk (char *dest, const char *src, size_t n, size_t os);
+func X__builtin___strncpy_chk(t *TLS, dest, src uintptr, n, os types.Size_t) (r uintptr) {
+	if n != ^types.Size_t(0) && os < n {
+		Xabort(t)
+	}
+
+	return Xstrncpy(t, dest, src, n)
+}
+
+// int strcmp(const char *s1, const char *s2)
+func Xstrcmp(t *TLS, s1, s2 uintptr) int32 {
+	for {
+		ch1 := *(*byte)(unsafe.Pointer(s1))
+		s1++
+		ch2 := *(*byte)(unsafe.Pointer(s2))
+		s2++
+		if ch1 != ch2 || ch1 == 0 || ch2 == 0 {
+			return int32(ch1) - int32(ch2)
+		}
+	}
+}
+
+// size_t strlen(const char *s)
+func Xstrlen(t *TLS, s uintptr) (r types.Size_t) {
+	if s == 0 {
+		return 0
+	}
+
+	for ; *(*int8)(unsafe.Pointer(s)) != 0; s++ {
+		r++
+	}
+	return r
+}
+
+// char *strcat(char *dest, const char *src)
+func Xstrcat(t *TLS, dest, src uintptr) (r uintptr) {
+	r = dest
+	for *(*int8)(unsafe.Pointer(dest)) != 0 {
+		dest++
+	}
+	for {
+		c := *(*int8)(unsafe.Pointer(src))
+		src++
+		*(*int8)(unsafe.Pointer(dest)) = c
+		dest++
+		if c == 0 {
+			return r
+		}
+	}
+}
+
+// char * __builtin___strcat_chk (char *dest, const char *src, size_t os);
+func X__builtin___strcat_chk(t *TLS, dest, src uintptr, os types.Size_t) (r uintptr) {
+	return Xstrcat(t, dest, src)
+}
+
+// int strncmp(const char *s1, const char *s2, size_t n)
+func Xstrncmp(t *TLS, s1, s2 uintptr, n types.Size_t) int32 {
+	var ch1, ch2 byte
+	for ; n != 0; n-- {
+		ch1 = *(*byte)(unsafe.Pointer(s1))
+		s1++
+		ch2 = *(*byte)(unsafe.Pointer(s2))
+		s2++
+		if ch1 != ch2 {
+			return int32(ch1) - int32(ch2)
+		}
+
+		if ch1 == 0 {
+			return 0
+		}
+	}
+	return 0
+}
+
+// char *strcpy(char *dest, const char *src)
+func Xstrcpy(t *TLS, dest, src uintptr) (r uintptr) {
+	r = dest
+	// src0 := src
+	for ; ; dest++ {
+		c := *(*int8)(unsafe.Pointer(src))
+		src++
+		*(*int8)(unsafe.Pointer(dest)) = c
+		if c == 0 {
+			return r
+		}
+	}
+}
+
+// char *strchr(const char *s, int c)
+func Xstrchr(t *TLS, s uintptr, c int32) uintptr {
+	for {
+		ch2 := *(*byte)(unsafe.Pointer(s))
+		if ch2 == byte(c) {
+			return s
+		}
+
+		if ch2 == 0 {
+			return 0
+		}
+
+		s++
+	}
+}
+
+// char *strrchr(const char *s, int c)
+func Xstrrchr(t *TLS, s uintptr, c int32) (r uintptr) {
+	for {
+		ch2 := *(*byte)(unsafe.Pointer(s))
+		if ch2 == 0 {
+			return r
+		}
+
+		if ch2 == byte(c) {
+			r = s
+		}
+		s++
+	}
+}
+
+// void *memset(void *s, int c, size_t n)
+func Xmemset(t *TLS, s uintptr, c int32, n types.Size_t) uintptr {
+	if n != 0 {
+		c := byte(c & 0xff)
+
+		// This will make sure that on platforms where they are not equally aligned we
+		// clear out the first few bytes until allignment
+		bytesBeforeAllignment := s % unsafe.Alignof(uint64(0))
+		if bytesBeforeAllignment > uintptr(n) {
+			bytesBeforeAllignment = uintptr(n)
+		}
+		b := (*RawMem)(unsafe.Pointer(s))[:bytesBeforeAllignment:bytesBeforeAllignment]
+		n -= types.Size_t(bytesBeforeAllignment)
+		for i := range b {
+			b[i] = c
+		}
+		if n >= 8 {
+			i64 := uint64(c) + uint64(c)<<8 + uint64(c)<<16 + uint64(c)<<24 + uint64(c)<<32 + uint64(c)<<40 + uint64(c)<<48 + uint64(c)<<56
+			b8 := (*RawMem64)(unsafe.Pointer(s + bytesBeforeAllignment))[: n/8 : n/8]
+			for i := range b8 {
+				b8[i] = i64
+			}
+		}
+		if n%8 != 0 {
+			b = (*RawMem)(unsafe.Pointer(s + bytesBeforeAllignment + uintptr(n-n%8)))[: n%8 : n%8]
+			for i := range b {
+				b[i] = c
+			}
+		}
+	}
+	return s
+}
+
+// void *memcpy(void *dest, const void *src, size_t n);
+func Xmemcpy(t *TLS, dest, src uintptr, n types.Size_t) (r uintptr) {
+	if n != 0 {
+		copy((*RawMem)(unsafe.Pointer(dest))[:n:n], (*RawMem)(unsafe.Pointer(src))[:n:n])
+	}
+	return dest
+}
+
+// int memcmp(const void *s1, const void *s2, size_t n);
+func Xmemcmp(t *TLS, s1, s2 uintptr, n types.Size_t) int32 {
+	for ; n != 0; n-- {
+		c1 := *(*byte)(unsafe.Pointer(s1))
+		s1++
+		c2 := *(*byte)(unsafe.Pointer(s2))
+		s2++
+		if c1 < c2 {
+			return -1
+		}
+
+		if c1 > c2 {
+			return 1
+		}
+	}
+	return 0
+}
+
+// void *memchr(const void *s, int c, size_t n);
+func Xmemchr(t *TLS, s uintptr, c int32, n types.Size_t) uintptr {
+	for ; n != 0; n-- {
+		if *(*byte)(unsafe.Pointer(s)) == byte(c) {
+			return s
+		}
+
+		s++
+	}
+	return 0
+}
+
+// void *memmove(void *dest, const void *src, size_t n);
+func Xmemmove(t *TLS, dest, src uintptr, n types.Size_t) uintptr {
+	if n == 0 {
+		return dest
+	}
+
+	copy((*RawMem)(unsafe.Pointer(uintptr(dest)))[:n:n], (*RawMem)(unsafe.Pointer(uintptr(src)))[:n:n])
+	return dest
+}
+
+// void * __builtin___memmove_chk (void *dest, const void *src, size_t n, size_t os);
+func X__builtin___memmove_chk(t *TLS, dest, src uintptr, n, os types.Size_t) uintptr {
+	if os != ^types.Size_t(0) && os < n {
+		Xabort(t)
+	}
+
+	return Xmemmove(t, dest, src, n)
+}
+
+// char *getenv(const char *name);
+func Xgetenv(t *TLS, name uintptr) uintptr {
+	return getenv(Environ(), GoString(name))
+}
+
+func getenv(p uintptr, nm string) uintptr {
+	for ; ; p += uintptrSize {
+		q := *(*uintptr)(unsafe.Pointer(p))
+		if q == 0 {
+			return 0
+		}
+
+		s := GoString(q)
+		a := strings.SplitN(s, "=", 2)
+		if len(a) != 2 {
+			panic(todo("%q %q %q", nm, s, a))
+		}
+
+		if a[0] == nm {
+			return q + uintptr(len(nm)) + 1
+		}
+	}
+}
+
+// char *strstr(const char *haystack, const char *needle);
+func Xstrstr(t *TLS, haystack, needle uintptr) uintptr {
+	hs := GoString(haystack)
+	nd := GoString(needle)
+	if i := strings.Index(hs, nd); i >= 0 {
+		r := haystack + uintptr(i)
+		return r
+	}
+
+	return 0
+}
+
+// int putc(int c, FILE *stream);
+func Xputc(t *TLS, c int32, fp uintptr) int32 {
+	return Xfputc(t, c, fp)
+}
+
+// int atoi(const char *nptr);
+func Xatoi(t *TLS, nptr uintptr) int32 {
+	_, neg, _, n, _ := strToUint64(t, nptr, 10)
+	switch {
+	case neg:
+		return int32(-n)
+	default:
+		return int32(n)
+	}
+}
+
+// double atof(const char *nptr);
+func Xatof(t *TLS, nptr uintptr) float64 {
+	n, _ := strToFloatt64(t, nptr, 64)
+	// if dmesgs {
+	// 	dmesg("%v: %q: %v", origin(1), GoString(nptr), n)
+	// }
+	return n
+}
+
+// int tolower(int c);
+func Xtolower(t *TLS, c int32) int32 {
+	if c >= 'A' && c <= 'Z' {
+		return c + ('a' - 'A')
+	}
+
+	return c
+}
+
+// int toupper(int c);
+func Xtoupper(t *TLS, c int32) int32 {
+	if c >= 'a' && c <= 'z' {
+		return c - ('a' - 'A')
+	}
+
+	return c
+}
+
+// int isatty(int fd);
+func Xisatty(t *TLS, fd int32) int32 {
+	return Bool32(isatty.IsTerminal(uintptr(fd)))
+}
+
+// long atol(const char *nptr);
+func Xatol(t *TLS, nptr uintptr) long {
+	_, neg, _, n, _ := strToUint64(t, nptr, 10)
+	switch {
+	case neg:
+		return long(-n)
+	default:
+		return long(n)
+	}
+}
+
+// time_t mktime(struct tm *tm);
+func Xmktime(t *TLS, ptm uintptr) time.Time_t {
+	loc := gotime.Local
+	if r := getenv(Environ(), "TZ"); r != 0 {
+		zone, off := parseZone(GoString(r))
+		loc = gotime.FixedZone(zone, off)
+	}
+	tt := gotime.Date(
+		int((*time.Tm)(unsafe.Pointer(ptm)).Ftm_year+1900),
+		gotime.Month((*time.Tm)(unsafe.Pointer(ptm)).Ftm_mon+1),
+		int((*time.Tm)(unsafe.Pointer(ptm)).Ftm_mday),
+		int((*time.Tm)(unsafe.Pointer(ptm)).Ftm_hour),
+		int((*time.Tm)(unsafe.Pointer(ptm)).Ftm_min),
+		int((*time.Tm)(unsafe.Pointer(ptm)).Ftm_sec),
+		0,
+		loc,
+	)
+	(*time.Tm)(unsafe.Pointer(ptm)).Ftm_wday = int32(tt.Weekday())
+	(*time.Tm)(unsafe.Pointer(ptm)).Ftm_yday = int32(tt.YearDay() - 1)
+	return time.Time_t(tt.Unix())
+}
+
+// char *strpbrk(const char *s, const char *accept);
+func Xstrpbrk(t *TLS, s, accept uintptr) uintptr {
+	bits := newBits(256)
+	for {
+		b := *(*byte)(unsafe.Pointer(accept))
+		if b == 0 {
+			break
+		}
+
+		bits.set(int(b))
+		accept++
+	}
+	for {
+		b := *(*byte)(unsafe.Pointer(s))
+		if b == 0 {
+			return 0
+		}
+
+		if bits.has(int(b)) {
+			return s
+		}
+
+		s++
+	}
+}
+
+// int strcasecmp(const char *s1, const char *s2);
+func Xstrcasecmp(t *TLS, s1, s2 uintptr) int32 {
+	for {
+		ch1 := *(*byte)(unsafe.Pointer(s1))
+		if ch1 >= 'a' && ch1 <= 'z' {
+			ch1 = ch1 - ('a' - 'A')
+		}
+		s1++
+		ch2 := *(*byte)(unsafe.Pointer(s2))
+		if ch2 >= 'a' && ch2 <= 'z' {
+			ch2 = ch2 - ('a' - 'A')
+		}
+		s2++
+		if ch1 != ch2 || ch1 == 0 || ch2 == 0 {
+			r := int32(ch1) - int32(ch2)
+			return r
+		}
+	}
+}
+
+func Xntohs(t *TLS, netshort uint16) uint16 {
+	return uint16((*[2]byte)(unsafe.Pointer(&netshort))[0])<<8 | uint16((*[2]byte)(unsafe.Pointer(&netshort))[1])
+}
+
+// uint16_t htons(uint16_t hostshort);
+func Xhtons(t *TLS, hostshort uint16) uint16 {
+	var a [2]byte
+	a[0] = byte(hostshort >> 8)
+	a[1] = byte(hostshort)
+	return *(*uint16)(unsafe.Pointer(&a))
+}
+
+// uint32_t htonl(uint32_t hostlong);
+func Xhtonl(t *TLS, hostlong uint32) uint32 {
+	var a [4]byte
+	a[0] = byte(hostlong >> 24)
+	a[1] = byte(hostlong >> 16)
+	a[2] = byte(hostlong >> 8)
+	a[3] = byte(hostlong)
+	return *(*uint32)(unsafe.Pointer(&a))
+}
+
+// FILE *fopen(const char *pathname, const char *mode);
+func Xfopen(t *TLS, pathname, mode uintptr) uintptr {
+	return Xfopen64(t, pathname, mode) //TODO 32 bit
+}
+
+func Dmesg(s string, args ...interface{}) {
+	if dmesgs {
+		dmesg(s, args...)
+	}
+}
+
+// void sqlite3_log(int iErrCode, const char *zFormat, ...);
+func X__ccgo_sqlite3_log(t *TLS, iErrCode int32, zFormat uintptr, args uintptr) {
+	// if dmesgs {
+	// 	dmesg("%v: iErrCode: %v, msg: %s\n%s", origin(1), iErrCode, printf(zFormat, args), debug.Stack())
+	// }
+}
+
+// int _IO_putc(int __c, _IO_FILE *__fp);
+func X_IO_putc(t *TLS, c int32, fp uintptr) int32 {
+	return Xputc(t, c, fp)
+}
+
+// int atexit(void (*function)(void));
+func Xatexit(t *TLS, function uintptr) int32 {
+	AtExit(func() {
+		(*struct{ f func(*TLS) })(unsafe.Pointer(&struct{ uintptr }{function})).f(t)
+	})
+	return 0
+}
+
+// int vasprintf(char **strp, const char *fmt, va_list ap);
+func Xvasprintf(t *TLS, strp, fmt, ap uintptr) int32 {
+	panic(todo(""))
+}
+
+func AtomicLoadInt32(addr *int32) (val int32)       { return atomic.LoadInt32(addr) }
+func AtomicLoadInt64(addr *int64) (val int64)       { return atomic.LoadInt64(addr) }
+func AtomicLoadUint32(addr *uint32) (val uint32)    { return atomic.LoadUint32(addr) }
+func AtomicLoadUint64(addr *uint64) (val uint64)    { return atomic.LoadUint64(addr) }
+func AtomicLoadUintptr(addr *uintptr) (val uintptr) { return atomic.LoadUintptr(addr) }
+
+func AtomicLoadFloat32(addr *float32) (val float32) {
+	return math.Float32frombits(atomic.LoadUint32((*uint32)(unsafe.Pointer(addr))))
+}
+
+func AtomicLoadFloat64(addr *float64) (val float64) {
+	return math.Float64frombits(atomic.LoadUint64((*uint64)(unsafe.Pointer(addr))))
+}
+
+func AtomicLoadPInt32(addr uintptr) (val int32) {
+	return atomic.LoadInt32((*int32)(unsafe.Pointer(addr)))
+}
+
+func AtomicLoadPInt64(addr uintptr) (val int64) {
+	return atomic.LoadInt64((*int64)(unsafe.Pointer(addr)))
+}
+
+func AtomicLoadPUint32(addr uintptr) (val uint32) {
+	return atomic.LoadUint32((*uint32)(unsafe.Pointer(addr)))
+}
+
+func AtomicLoadPUint64(addr uintptr) (val uint64) {
+	return atomic.LoadUint64((*uint64)(unsafe.Pointer(addr)))
+}
+
+func AtomicLoadPUintptr(addr uintptr) (val uintptr) {
+	return atomic.LoadUintptr((*uintptr)(unsafe.Pointer(addr)))
+}
+
+func AtomicLoadPFloat32(addr uintptr) (val float32) {
+	return math.Float32frombits(atomic.LoadUint32((*uint32)(unsafe.Pointer(addr))))
+}
+
+func AtomicLoadPFloat64(addr uintptr) (val float64) {
+	return math.Float64frombits(atomic.LoadUint64((*uint64)(unsafe.Pointer(addr))))
+}
+
+func AtomicStoreInt32(addr *int32, val int32)       { atomic.StoreInt32(addr, val) }
+func AtomicStoreInt64(addr *int64, val int64)       { atomic.StoreInt64(addr, val) }
+func AtomicStoreUint32(addr *uint32, val uint32)    { atomic.StoreUint32(addr, val) }
+func AtomicStoreUint64(addr *uint64, val uint64)    { atomic.StoreUint64(addr, val) }
+func AtomicStoreUintptr(addr *uintptr, val uintptr) { atomic.StoreUintptr(addr, val) }
+
+func AtomicStoreFloat32(addr *float32, val float32) {
+	atomic.StoreUint32((*uint32)(unsafe.Pointer(addr)), math.Float32bits(val))
+}
+
+func AtomicStoreFloat64(addr *float64, val float64) {
+	atomic.StoreUint64((*uint64)(unsafe.Pointer(addr)), math.Float64bits(val))
+}
+
+func AtomicStorePInt32(addr uintptr, val int32) {
+	atomic.StoreInt32((*int32)(unsafe.Pointer(addr)), val)
+}
+
+func AtomicStorePInt64(addr uintptr, val int64) {
+	atomic.StoreInt64((*int64)(unsafe.Pointer(addr)), val)
+}
+
+func AtomicStorePUint32(addr uintptr, val uint32) {
+	atomic.StoreUint32((*uint32)(unsafe.Pointer(addr)), val)
+}
+
+func AtomicStorePUint64(addr uintptr, val uint64) {
+	atomic.StoreUint64((*uint64)(unsafe.Pointer(addr)), val)
+}
+
+func AtomicStorePUintptr(addr uintptr, val uintptr) {
+	atomic.StoreUintptr((*uintptr)(unsafe.Pointer(addr)), val)
+}
+
+func AtomicStorePFloat32(addr uintptr, val float32) {
+	atomic.StoreUint32((*uint32)(unsafe.Pointer(addr)), math.Float32bits(val))
+}
+
+func AtomicStorePFloat64(addr uintptr, val float64) {
+	atomic.StoreUint64((*uint64)(unsafe.Pointer(addr)), math.Float64bits(val))
+}
+
+func AtomicAddInt32(addr *int32, delta int32) (new int32)     { return atomic.AddInt32(addr, delta) }
+func AtomicAddInt64(addr *int64, delta int64) (new int64)     { return atomic.AddInt64(addr, delta) }
+func AtomicAddUint32(addr *uint32, delta uint32) (new uint32) { return atomic.AddUint32(addr, delta) }
+func AtomicAddUint64(addr *uint64, delta uint64) (new uint64) { return atomic.AddUint64(addr, delta) }
+
+func AtomicAddUintptr(addr *uintptr, delta uintptr) (new uintptr) {
+	return atomic.AddUintptr(addr, delta)
+
+}
+
+func AtomicAddFloat32(addr *float32, delta float32) (new float32) {
+	v := AtomicLoadFloat32(addr) + delta
+	AtomicStoreFloat32(addr, v)
+	return v
+}
+
+func AtomicAddFloat64(addr *float64, delta float64) (new float64) {
+	v := AtomicLoadFloat64(addr) + delta
+	AtomicStoreFloat64(addr, v)
+	return v
+}
+
+// size_t mbstowcs(wchar_t *dest, const char *src, size_t n);
+func Xmbstowcs(t *TLS, dest, src uintptr, n types.Size_t) types.Size_t {
+	panic(todo(""))
+}
+
+// int mbtowc(wchar_t *pwc, const char *s, size_t n);
+func Xmbtowc(t *TLS, pwc, s uintptr, n types.Size_t) int32 {
+	panic(todo(""))
+}
+
+// size_t __ctype_get_mb_cur_max(void);
+func X__ctype_get_mb_cur_max(t *TLS) types.Size_t {
+	panic(todo(""))
+}
+
+// int wctomb(char *s, wchar_t wc);
+func Xwctomb(t *TLS, s uintptr, wc wchar_t) int32 {
+	panic(todo(""))
+}
+
+// int mblen(const char *s, size_t n);
+func Xmblen(t *TLS, s uintptr, n types.Size_t) int32 {
+	panic(todo(""))
+}
+
+// ssize_t readv(int fd, const struct iovec *iov, int iovcnt);
+func Xreadv(t *TLS, fd int32, iov uintptr, iovcnt int32) types.Ssize_t {
+	panic(todo(""))
+}
+
+// int openpty(int *amaster, int *aslave, char *name,
+//                    const struct termios *termp,
+//                    const struct winsize *winp);
+func Xopenpty(t *TLS, amaster, aslave, name, termp, winp uintptr) int32 {
+	panic(todo(""))
+}
+
+// pid_t setsid(void);
+func Xsetsid(t *TLS) types.Pid_t {
+	panic(todo(""))
+}
+
+// int pselect(int nfds, fd_set *readfds, fd_set *writefds,
+//                    fd_set *exceptfds, const struct timespec *timeout,
+//                    const sigset_t *sigmask);
+func Xpselect(t *TLS, nfds int32, readfds, writefds, exceptfds, timeout, sigmask uintptr) int32 {
+	panic(todo(""))
+}
+
+// int kill(pid_t pid, int sig);
+func Xkill(t *TLS, pid types.Pid_t, sig int32) int32 {
+	panic(todo(""))
+}
+
+// int tcsendbreak(int fd, int duration);
+func Xtcsendbreak(t *TLS, fd, duration int32) int32 {
+	panic(todo(""))
+}
+
+// int wcwidth(wchar_t c);
+func Xwcwidth(t *TLS, c wchar_t) int32 {
+	panic(todo(""))
+}
+
+// int clock_gettime(clockid_t clk_id, struct timespec *tp);
+func Xclock_gettime(t *TLS, clk_id int32, tp uintptr) int32 {
+	panic(todo(""))
+}
+
+// AtExit will attempt to run f at process exit. The execution cannot be
+// guaranteed, neither its ordering with respect to any other handlers
+// registered by AtExit.
+func AtExit(f func()) {
+	atExitMu.Lock()
+	atExit = append(atExit, f)
+	atExitMu.Unlock()
+}
+
+func X__ccgo_dmesg(t *TLS, fmt uintptr, va uintptr) {
+	if dmesgs {
+		dmesg("%s", printf(fmt, va))
+	}
+}
+
+// int getentropy(void *buffer, size_t length);
+//
+// The  getentropy() function writes length bytes of high-quality random data
+// to the buffer starting at the location pointed to by buffer. The maximum
+// permitted value for the length argument is 256.
+func Xgetentropy(t *TLS, buffer uintptr, length size_t) int32 {
+	const max = 256
+	switch {
+	case length == 0:
+		return 0
+	case buffer == 0:
+		t.setErrno(errno.EFAULT)
+		return -1
+	case length > max:
+		t.setErrno(errno.EIO)
+		return -1
+	}
+
+	if _, err := crand.Read((*RawMem)(unsafe.Pointer(buffer))[:length]); err != nil {
+		t.setErrno(errno.EIO)
+		return -1
+	}
+
+	return 0
+}
+
+// void * reallocarray(void *ptr, size_t nmemb, size_t size);
+func Xreallocarray(t *TLS, ptr uintptr, nmemb, size size_t) uintptr {
+	hi, lo := mathutil.MulUint128_64(uint64(nmemb), uint64(size))
+	if hi != 0 || lo > uint64(unsafe.Sizeof(RawMem{})) {
+		t.setErrno(errno.ENOMEM)
+		return 0
+	}
+
+	return Xrealloc(t, ptr, size_t(lo))
+}
+
+// int setjmp(jmp_buf env);
+func Xsetjmp(t *TLS, env uintptr) int32 {
+	return 0 //TODO
+}
+
+// void longjmp(jmp_buf env, int val);
+func Xlongjmp(t *TLS, env uintptr, val int32) {
+	panic(todo(""))
+}
+
+// https://linux.die.net/man/3/_setjmp
+//
+// The _longjmp() and _setjmp() functions shall be equivalent to longjmp() and
+// setjmp(), respectively, with the additional restriction that _longjmp() and
+// _setjmp() shall not manipulate the signal mask.
+
+// int _setjmp(jmp_buf env);
+func X_setjmp(t *TLS, env uintptr) int32 {
+	return 0 //TODO
+}
+
+// void _longjmp(jmp_buf env, int val);
+func X_longjmp(t *TLS, env uintptr, val int32) {
+	panic(todo(""))
+}
+
+// unsigned __sync_add_and_fetch_uint32(*unsigned, unsigned)
+func X__sync_add_and_fetch_uint32(t *TLS, p uintptr, v uint32) uint32 {
+	return atomic.AddUint32((*uint32)(unsafe.Pointer(p)), v)
+}
+
+// unsigned __sync_sub_and_fetch_uint32(*unsigned, unsigned)
+func X__sync_sub_and_fetch_uint32(t *TLS, p uintptr, v uint32) uint32 {
+	return atomic.AddUint32((*uint32)(unsafe.Pointer(p)), -v)
+}
+
+// int sched_yield(void);
+func Xsched_yield(t *TLS) {
+	runtime.Gosched()
+}
+
+// int getc(FILE *stream);
+func Xgetc(t *TLS, stream uintptr) int32 {
+	return Xfgetc(t, stream)
+}
+
+// char *fgets(char *s, int size, FILE *stream);
+func Xfgets(t *TLS, s uintptr, size int32, stream uintptr) uintptr {
+	var b []byte
+out:
+	for ; size > 0; size-- {
+		switch c := Xfgetc(t, stream); c {
+		case '\n':
+			b = append(b, byte(c))
+			break out
+		case stdio.EOF:
+			break out
+		default:
+			b = append(b, byte(c))
+		}
+	}
+	if len(b) == 0 {
+		return 0
+	}
+
+	b = append(b, 0)
+	copy((*RawMem)(unsafe.Pointer(s))[:len(b):len(b)], b)
+	return s
+}
+
+// void bzero(void *s, size_t n);
+func Xbzero(t *TLS, s uintptr, n types.Size_t) {
+	b := (*RawMem)(unsafe.Pointer(s))[:n]
+	for i := range b {
+		b[i] = 0
+	}
+}
+
+// char *rindex(const char *s, int c);
+func Xrindex(t *TLS, s uintptr, c int32) uintptr {
+	if s == 0 {
+		return 0
+	}
+
+	var r uintptr
+	for {
+		c2 := int32(*(*byte)(unsafe.Pointer(s)))
+		if c2 == c {
+			r = s
+		}
+
+		if c2 == 0 {
+			return r
+		}
+
+		s++
+	}
+}
+
+// int isascii(int c);
+func Xisascii(t *TLS, c int32) int32 {
+	return Bool32(c >= 0 && c <= 0x7f)
+}
+
+func X__builtin_isunordered(t *TLS, a, b float64) int32 {
+	return Bool32(math.IsNaN(a) || math.IsNaN(b))
+}