}

/*
 * look for the next file in an archive.
 * adapted from libmach.
 */
func nextar(bp *bio.Reader, off int64, a *ArHdr) int64 {
	if off&1 != 0 {
		off++
	}
	bp.MustSeek(off, 0)
	var buf [SAR_HDR]byte
	if n, err := io.ReadFull(bp, buf[:]); err != nil {
		if n == 0 && err != io.EOF {
			return -1
		}
		return 0
	}

	off := hdr.Lrldoff                                // current offset is the same of reloc offset

	/* Reloc */
	// Ensure deterministic order
	sort.Slice(f.loaderReloc, func(i, j int) bool {
		r1, r2 := f.loaderReloc[i], f.loaderReloc[j]
		if r1.sym != r2.sym {
			return r1.sym < r2.sym
		}
		if r1.roff != r2.roff {
			return r1.roff < r2.roff
		}

	)
}

func unpackUint32(msg []byte, off int) (uint32, int, error) {
	if off+uint32Len > len(msg) {
		return 0, off, errBaseLen
	}
	v := uint32(msg[off])<<24 | uint32(msg[off+1])<<16 | uint32(msg[off+2])<<8 | uint32(msg[off+3])
	return v, off + uint32Len, nil
}

func skipUint32(msg []byte, off int) (int, error) {
	if off+uint32Len > len(msg) {
		return off, errBaseLen
	}
	return off + uint32Len, nil

		throw("found bad interior pointer")
	}
	off := interior - x
	tp := span.typePointersOf(interior, size)
	for i := off; i < off+size; i += goarch.PtrSize {
		// Compute the pointer bit we want at offset i.
		want := false
		if i < span.elemsize {
			off := i % typ.Size_
			if off < typ.PtrBytes {
				j := off / goarch.PtrSize
				want = *addb(typ.GCData, j/8)>>(j%8)&1 != 0
			}
		}

		o1 = OP_IRR(c.opirr(ALUI), 0, REGZERO, REGTMP)
		rel := obj.Addrel(c.cursym)
		rel.Off = int32(c.pc)
		rel.Siz = 4
		rel.Sym = p.To.Sym
		rel.Add = p.To.Offset
		rel.Type = objabi.R_ADDRMIPSU
		o2 = OP_IRR(c.opirr(p.As), 0, REGTMP, p.From.Reg)
		rel2 := obj.Addrel(c.cursym)
		rel2.Off = int32(c.pc + 4)
		rel2.Siz = 4
		rel2.Sym = p.To.Sym
		rel2.Add = p.To.Offset

			// structs are in system headers that cannot be corrected.
			continue
		}

		// Round off up to talign, assumed to be a power of 2.
		off = (off + talign - 1) &^ (talign - 1)

		if f.ByteOffset > off {
			fld, sizes = c.pad(fld, sizes, f.ByteOffset-off)
			off = f.ByteOffset
		}
		if f.ByteOffset < off {
			// Drop a packed field that we can't represent.
			continue
		}

		n := len(fld)

	-short
	    Tell long-running tests to shorten their run time.
	    It is off by default but set during all.bash so that installing
	    the Go tree can run a sanity check but not spend time running
	    exhaustive tests.

	-shuffle off,on,N
	    Randomize the execution order of tests and benchmarks.
	    It is off by default. If -shuffle is set to on, then it will seed

		base.Fatalf("go: unknown environment setting GO111MODULE=%s", env)
	case "auto":
		mustUseModules = ForceUseModules
	case "on", "":
		mustUseModules = true
	case "off":
		if ForceUseModules {
			base.Fatalf("go: modules disabled by GO111MODULE=off; see 'go help modules'")
		}
		mustUseModules = false
		return
	}

	if err := fsys.Init(base.Cwd()); err != nil {
		base.Fatal(err)
	}

	}
	return
}

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

func CopyFileRange(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int, err error) {
	r0, _, e1 := Syscall6(SYS_COPY_FILE_RANGE, uintptr(rfd), uintptr(unsafe.Pointer(roff)), uintptr(wfd), uintptr(unsafe.Pointer(woff)), uintptr(len), uintptr(flags))
	n = int(r0)
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

// BUG(brainman): The definition of Linger is not appropriate for direct use
// with Setsockopt and Getsockopt.
// Use SetsockoptLinger instead.

type Linger struct {
	Onoff  int32
	Linger int32
}

type sysLinger struct {
	Onoff  uint16
	Linger uint16
}

type IPMreq struct {
	Multiaddr [4]byte /* in_addr */
	Interface [4]byte /* in_addr */
}

type IPv6Mreq struct {