_, _, e1 := Syscall6(SYS_PTRACE, uintptr(request), uintptr(pid), uintptr(addr), uintptr(data), 0, 0)
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func ptracePtr(request int, pid int, addr uintptr, data unsafe.Pointer) (err error) {

	_, _, e1 := Syscall6(SYS_GETSOCKOPT, uintptr(s), uintptr(level), uintptr(name), uintptr(val), uintptr(unsafe.Pointer(vallen)), 0)
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error) {

func Close(fd int) (err error) {
	_, _, e1 := syscall(abi.FuncPCABI0(libc_close_trampoline), uintptr(fd), 0, 0)
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

func libc_close_trampoline()

//go:cgo_import_dynamic libc_close close "libc.so"

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func Dup(fd int) (nfd int, err error) {

		var s syscall.Handle
		s, sendRecvMsgFunc.err = syscall.Socket(syscall.AF_INET, syscall.SOCK_DGRAM, syscall.IPPROTO_UDP)
		if sendRecvMsgFunc.err != nil {
			return
		}
		defer syscall.CloseHandle(s)
		var n uint32
		sendRecvMsgFunc.err = syscall.WSAIoctl(s,
			syscall.SIO_GET_EXTENSION_FUNCTION_POINTER,
			(*byte)(unsafe.Pointer(&WSAID_WSARECVMSG)),
			uint32(unsafe.Sizeof(WSAID_WSARECVMSG)),

func Issetugid() (tainted bool) {
	r0, _, _ := Syscall(SYS_ISSETUGID, 0, 0, 0)
	tainted = bool(r0 != 0)
	return
}

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func Kill(pid int, signum syscall.Signal) (err error) {
	_, _, e1 := Syscall(SYS_KILL, uintptr(pid), uintptr(signum), 0)
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return

	_, _, e1 := Syscall6(SYS_PTRACE, uintptr(request), uintptr(pid), uintptr(addr), uintptr(data), 0, 0)
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func ptracePtr(request int, pid int, addr uintptr, data unsafe.Pointer) (err error) {

	ADD	$16, RSP
	MOVD	R0, 48(R2)	// save err
ok:
	RET

// syscallX calls a function in libc on behalf of the syscall package.
// syscallX takes a pointer to a struct like:
// struct {
//	fn    uintptr
//	a1    uintptr
//	a2    uintptr
//	a3    uintptr
//	r1    uintptr
//	r2    uintptr
//	err   uintptr
// }
// syscallX must be called on the g0 stack with the
// C calling convention (use libcCall).

// must be kept 16-byte aligned on syscall entry.
//
// Although it only permits maximum 42 parameters, it
// is arguably large enough.
const maxArgs = 42

//go:linkname syscall_SyscallN syscall.SyscallN
//go:nosplit
func syscall_SyscallN(fn uintptr, args ...uintptr) (r1, r2, err uintptr) {
	if len(args) > maxArgs {
		panic("runtime: SyscallN has too many arguments")
	}

func Issetugid() (tainted bool) {
	r0, _, _ := Syscall(SYS_ISSETUGID, 0, 0, 0)
	tainted = bool(r0 != 0)
	return
}

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func Kill(pid int, signum syscall.Signal) (err error) {
	_, _, e1 := Syscall(SYS_KILL, uintptr(pid), uintptr(signum), 0)
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

// This file is called cgo_unix.go, but to allow syscalls-to-libc-based
// implementations to share the code, it does not use cgo directly.
// Instead of C.foo it uses _C_foo, which is defined in either
// cgo_unix_cgo.go or cgo_unix_syscall.go

//go:build !netgo && ((cgo && unix) || darwin)

package net

import (
	"context"
	"errors"
	"internal/bytealg"
	"net/netip"
	"syscall"
	"unsafe"