If the argument to [FileInfoHeader] implements the new [FileInfoNames]
interface, then the interface methods will be used to set the Uname/Gname
of the file header. This allows applications to override the system-dependent

		}
	}
}

func testCreate(t *testing.T, w *Writer, wt *WriteTest) {
	header := &FileHeader{
		Name:   wt.Name,
		Method: wt.Method,
	}
	if wt.Mode != 0 {
		header.SetMode(wt.Mode)
	}
	f, err := w.CreateHeader(header)
	if err != nil {
		t.Fatal(err)
	}
	_, err = f.Write(wt.Data)
	if err != nil {
		t.Fatal(err)
	}
}

			descsz := f.ByteOrder.Uint32(d[4:])
			typ := f.ByteOrder.Uint32(d[8:])

			an := (namesz + 3) &^ 3
			ad := (descsz + 3) &^ 3

			if int(12+an+ad) > len(d) {
				t.Logf("note section %d too short for header (%d < 12 + align(%d,4) + align(%d,4))", i, len(d), namesz, descsz)
				continue sections
			}

			// 3 == NT_GNU_BUILD_ID
			if typ == 3 && namesz == 4 && bytes.Equal(d[12:16], []byte("GNU\000")) {
				c++
			}

pkg testing, method (*F) Failed() bool
pkg testing, method (*F) Fatal(...interface{})
pkg testing, method (*F) Fatalf(string, ...interface{})
pkg testing, method (*F) Fuzz(interface{})
pkg testing, method (*F) Helper()
pkg testing, method (*F) Log(...interface{})
pkg testing, method (*F) Logf(string, ...interface{})
pkg testing, method (*F) Name() string
pkg testing, method (*F) Setenv(string, string)

pkg archive/tar, type Header struct, Devmajor int64
pkg archive/tar, type Header struct, Devminor int64
pkg archive/tar, type Header struct, Gid int
pkg archive/tar, type Header struct, Gname string
pkg archive/tar, type Header struct, Linkname string
pkg archive/tar, type Header struct, ModTime time.Time
pkg archive/tar, type Header struct, Mode int64
pkg archive/tar, type Header struct, Name string

pkg syscall (freebsd-arm64), const DLT_A653_ICM = 185
pkg syscall (freebsd-arm64), const DLT_A653_ICM ideal-int
pkg syscall (freebsd-arm64), const DLT_AIRONET_HEADER = 120
pkg syscall (freebsd-arm64), const DLT_AIRONET_HEADER ideal-int
pkg syscall (freebsd-arm64), const DLT_AOS = 222
pkg syscall (freebsd-arm64), const DLT_AOS ideal-int
pkg syscall (freebsd-arm64), const DLT_APPLE_IP_OVER_IEEE1394 = 138

	// Reference:
	//	http://pubs.opengroup.org/onlinepubs/9699919799/utilities/pax.html#tag_20_92_13_06
	FormatUSTAR

	// FormatPAX represents the PAX header format defined in POSIX.1-2001.
	//
	// PAX extends USTAR by writing a special file with Typeflag TypeXHeader
	// preceding the original header. This file contains a set of key-value
	// records, which are used to overcome USTAR's shortcomings, in addition to

pkg syscall (darwin-arm64), type InterfaceAddrMessage struct, Header IfaMsghdr
pkg syscall (darwin-arm64), type InterfaceMessage //deprecated
pkg syscall (darwin-arm64), type InterfaceMessage struct
pkg syscall (darwin-arm64), type InterfaceMessage struct, Data []uint8
pkg syscall (darwin-arm64), type InterfaceMessage struct, Header IfMsghdr
pkg syscall (darwin-arm64), type InterfaceMulticastAddrMessage //deprecated

	for _, f := range fld {
		for _, n := range f.Names {
			// Ignore field names that don't have the prefix we're
			// looking for. It is common in C headers to have fields
			// named, say, _pad in an otherwise prefixed header.
			// If the struct has 3 fields tv_sec, tv_usec, _pad1, then we
			// still want to remove the tv_ prefix.
			// The check for "orig_" here handles orig_eax in the

	}
	b = b[22:] // skip over most of the header
	filenameLen := int(b.uint16())
	extraLen := int(b.uint16())
	return int64(fileHeaderLen + filenameLen + extraLen), nil
}

// readDirectoryHeader attempts to read a directory header from r.
// It returns io.ErrUnexpectedEOF if it cannot read a complete header,
// and ErrFormat if it doesn't find a valid header signature.