toDelete = append(toDelete, namedVal{i, j})
			}
		case t.IsString():
			ptrName, lenName := f.SplitString(name)
			newNames = maybeAppend2(f, newNames, ptrName, lenName)
			for j, v := range f.NamedValues[*name] {
				if v.Op != OpStringMake {
					continue
				}
				f.NamedValues[*ptrName] = append(f.NamedValues[*ptrName], v.Args[0])
				f.NamedValues[*lenName] = append(f.NamedValues[*lenName], v.Args[1])

		}
	}

	return localPart + "@" + domain, nil
}

// consumePhrase parses the RFC 5322 phrase at the start of p.
func (p *addrParser) consumePhrase() (phrase string, err error) {
	debug.Printf("consumePhrase: [%s]", p.s)
	// phrase = 1*word
	var words []string
	var isPrevEncoded bool
	for {
		// obs-phrase allows CFWS after one word
		if len(words) > 0 {
			if !p.skipCFWS() {

	if ((($darwin || ($openbsd && $libc)) && $func =~ /^ptrace(Ptr)?$/)) {
		# The ptrace function is called from forkAndExecInChild where stack
		# growth is forbidden.
		$text .= "//go:nosplit\n"
	}

	# Go function header.
	my $out_decl = @out ? sprintf(" (%s)", join(', ', @out)) : "";
	$text .= sprintf "func %s(%s)%s {\n", $func, join(', ', @in), $out_decl;

	# Disable ptrace on iOS.
	if ($darwin && $func =~ /^ptrace(Ptr)?$/) {

			// program uses Reader.Seek to skip over the
			// unit. Not much we can do about that.
			var strBase int64
			if cu != nil {
				strBase, _ = cu.Val(AttrStrOffsetsBase).(int64)
			} else if a.tag == TagCompileUnit {
				delay = append(delay, delayed{i, off, formStrx})
				break
			}

			val = resolveStrx(uint64(strBase), off)

		case formStrpSup:
			is64, known := b.format.dwarf64()
			if !known {

	}
	return sendfile(outfd, infd, offset, count)
}

//sys	ptrace(request int, pid int, addr uintptr, data int) (err error)
//sys	ptracePtr(request int, pid int, addr unsafe.Pointer, data int) (err error) = SYS_PTRACE

func PtraceAttach(pid int) (err error) {
	return ptrace(PT_ATTACH, pid, 0, 0)
}

func PtraceCont(pid int, signal int) (err error) {
	return ptrace(PT_CONTINUE, pid, 1, signal)
}

	return ptrace(PTRACE_SYSCALL, pid, 0, uintptr(signal))
}

func PtraceSingleStep(pid int) (err error) { return ptrace(PTRACE_SINGLESTEP, pid, 0, 0) }

func PtraceAttach(pid int) (err error) { return ptrace(PTRACE_ATTACH, pid, 0, 0) }

func PtraceDetach(pid int) (err error) { return ptrace(PTRACE_DETACH, pid, 0, 0) }

//sys	reboot(magic1 uint, magic2 uint, cmd int, arg string) (err error)

#include <netinet/ip_mroute.h>
#include <sys/mman.h>
#include <sys/protosw.h>
#include <sys/ptrace.h>
#include <sys/stropts.h>
#include <termios.h>
'

includes_Darwin='
#define _DARWIN_C_SOURCE
#define KERNEL
#define _DARWIN_USE_64_BIT_INODE
#include <sys/types.h>
#include <sys/event.h>
#include <sys/ptrace.h>
#include <sys/socket.h>
#include <sys/sockio.h>
#include <sys/sysctl.h>
#include <sys/mman.h>

#define _DARWIN_USE_64_BIT_INODE
#define __APPLE_USE_RFC_3542
#include <stdint.h>
#include <sys/attr.h>
#include <sys/clonefile.h>
#include <sys/kern_control.h>
#include <sys/types.h>
#include <sys/event.h>
#include <sys/ptrace.h>
#include <sys/select.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/un.h>
#include <sys/sockio.h>
#include <sys/sys_domain.h>
#include <sys/sysctl.h>
#include <sys/mman.h>

#include <netpacket/packet.h>
#include <signal.h>
#include <stdio.h>
#include <sys/epoll.h>
#include <sys/inotify.h>
#include <sys/mman.h>
#include <sys/mount.h>
#include <sys/param.h>
#include <sys/ptrace.h>
#include <sys/resource.h>
#include <sys/select.h>
#include <sys/signal.h>
#include <sys/stat.h>
#include <sys/statfs.h>
#include <sys/sysinfo.h>
#include <sys/time.h>
#include <sys/times.h>

}

type SysProcAttr struct {
	Chroot     string      // Chroot.
	Credential *Credential // Credential.
	// Ptrace tells the child to call ptrace(PTRACE_TRACEME).
	// Call runtime.LockOSThread before starting a process with this set,
	// and don't call UnlockOSThread until done with PtraceSyscall calls.
	Ptrace bool
	Setsid bool // Create session.
	// Setpgid sets the process group ID of the child to Pgid,