_EVFILT_WRITE = 0x1
	_EVFILT_USER  = 0x8

	_NOTE_TRIGGER = 0x1000000
)

type sigset struct {
	__bits [4]uint32
}

type siginfo struct {
	_signo   int32
	_code    int32
	_errno   int32
	_reason  uintptr
	_reasonx [16]byte
}

type stackt struct {
	ss_sp    uintptr
	ss_size  uintptr
	ss_flags int32
}

type timespec struct {
	tv_sec  int64
	tv_nsec int32

	_EVFILT_WRITE = 0x1
	_EVFILT_USER  = 0x8

	_NOTE_TRIGGER = 0x1000000
)

type sigset struct {
	__bits [4]uint32
}

type siginfo struct {
	_signo  int32
	_code   int32
	_errno  int32
	_reason [20]byte
}

type stackt struct {
	ss_sp    uintptr
	ss_size  uintptr
	ss_flags int32
}

type timespec struct {
	tv_sec  int64
	tv_nsec int32
}

	_EVFILT_WRITE = 0x1
	_EVFILT_USER  = 0x8

	_NOTE_TRIGGER = 0x1000000
)

type sigset struct {
	__bits [4]uint32
}

type siginfo struct {
	_signo  int32
	_code   int32
	_errno  int32
	_pad    int32
	_reason [24]byte
}

type stackt struct {
	ss_sp     uintptr
	ss_size   uintptr
	ss_flags  int32
	pad_cgo_0 [4]byte
}

type timespec struct {
	tv_sec  int64

	_EVFILT_WRITE = 0x1
	_EVFILT_USER  = 0x8

	_NOTE_TRIGGER = 0x1000000
)

type sigset struct {
	__bits [4]uint32
}

type siginfo struct {
	_signo   int32
	_code    int32
	_errno   int32
	_reason  uintptr
	_reasonx [16]byte
}

type stackt struct {
	ss_sp    uintptr
	ss_size  uintptr
	ss_flags int32
}

type timespec struct {
	tv_sec  int64
	tv_nsec int64

}

//go:nosplit
func getuid() int32 {
	r, errno := syscall0(&libc_getuid)
	if errno != 0 {
		print("getuid failed ", errno)
		throw("getuid")
	}
	return int32(r)
}

//go:nosplit
func geteuid() int32 {
	r, errno := syscall0(&libc_geteuid)
	if errno != 0 {
		print("geteuid failed ", errno)
		throw("geteuid")
	}
	return int32(r)
}

//go:nosplit

	// newosproc0.
	if gp != nil {
		r, errno := syscall3(&libc_write, uintptr(fd), uintptr(p), uintptr(n))
		if int32(r) < 0 {
			return -int32(errno)
		}
		return int32(r)
	}
	// Note that in this case we can't return a valid errno value.
	return write2(fd, uintptr(p), n)
}

//go:nosplit
func read(fd int32, p unsafe.Pointer, n int32) int32 {
	r, errno := syscall3(&libc_read, uintptr(fd), uintptr(p), uintptr(n))

//	     137: e9 20 06 00 00               	jmp	0x75c <pow+0x75c>
//	     13c: e8 00 00 00 00               	callq	0x141 <pow+0x141>
//			000000000000013d:  IMAGE_REL_AMD64_REL32	_errno
//
// The assembly below dispenses with the import symbol and just makes
// a direct call to _errno.
//
// The code below handles indirect refs by redirecting the target of
// the relocation from "__imp_XYZ" to "XYZ" (since the latter symbol

	gerrno, _, errno := syscall_syscall6(abi.FuncPCABI0(libc_getaddrinfo_trampoline),
		uintptr(unsafe.Pointer(hostname)),
		uintptr(unsafe.Pointer(servname)),
		uintptr(unsafe.Pointer(hints)),
		uintptr(unsafe.Pointer(res)),
		0,
		0)
	var err error
	if errno != 0 {
		err = errno
	}
	return int(gerrno), err
}

	var gerrno int
	var b []byte
	for l := nameinfoLen; l <= maxNameinfoLen; l *= 2 {
		b = make([]byte, l)
		gerrno, err = cgoNameinfoPTR(b, sa, salen)
		if gerrno == 0 || gerrno != _C_EAI_OVERFLOW {
			break
		}
	}
	if gerrno != 0 {
		switch gerrno {
		case _C_EAI_SYSTEM:
			if err == nil { // see golang.org/issue/6232

TEXT ·clearErrno(SB), NOSPLIT, $0-0
	BL   addrerrno<>(SB)
	MOVD $0, 0(R3)
	RET

// Returns the address of errno in R3.
TEXT addrerrno<>(SB), NOSPLIT|NOFRAME, $0-0
	// Get library control area (LCA).
	MOVW PSALAA, R8
	MOVD LCA64(R8), R8

	// Get __errno FuncDesc.
	MOVD CAA(R8), R9
	MOVD EDCHPXV(R9), R9
	ADD  $(__errno), R9
	LMG  0(R9), R5, R6

	// Switch to saved LE stack.
	MOVD SAVSTACK_ASYNC(R8), R9
	MOVD 0(R9), R4