pkg syscall (darwin-386), const BPF_MEM = 96
pkg syscall (darwin-386), const BPF_MEMWORDS = 16
pkg syscall (darwin-386), const BPF_MINBUFSIZE = 32
pkg syscall (darwin-386), const BPF_MINOR_VERSION = 1
pkg syscall (darwin-386), const BPF_MISC = 7
pkg syscall (darwin-386), const BPF_MSH = 160
pkg syscall (darwin-386), const BPF_MUL = 32
pkg syscall (darwin-386), const BPF_NEG = 128

	// Identify the version of GNU headers.
	var is1x0 bool
	major, minor := hdr.PAXRecords[paxGNUSparseMajor], hdr.PAXRecords[paxGNUSparseMinor]
	switch {
	case major == "0" && (minor == "0" || minor == "1"):
		is1x0 = false
	case major == "1" && minor == "0":
		is1x0 = true
	case major != "" || minor != "":
		return nil, nil // Unknown GNU sparse PAX version
	case hdr.PAXRecords[paxGNUSparseMap] != "":

	}
}

func needApproval(filename string) bool {
	name := filepath.Base(filename)
	if name == "go1.txt" {
		return false
	}
	minor := strings.TrimSuffix(strings.TrimPrefix(name, "go1."), ".txt")
	n, err := strconv.Atoi(minor)
	if err != nil {
		log.Fatalf("unexpected api file: %v", name)
	}
	return n >= 19 // started tracking approvals in Go 1.19
}

	}
	if iosVer == "" || buildVer == "" {
		return "", errors.New("failed to parse ideviceinfo output")
	}
	verSplit := strings.Split(iosVer, ".")
	if len(verSplit) > 2 {
		// Developer images are specific to major.minor ios version.
		// Cut off the patch version.
		iosVer = strings.Join(verSplit[:2], ".")
	}
	sdkBase := "/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/DeviceSupport"

		case "freebsd":
			// Copied from golang.org/x/sys/unix/dev_freebsd.go.
			major := uint32((dev >> 8) & 0xff)
			minor := uint32(dev & 0xffff00ff)
			h.Devmajor, h.Devminor = int64(major), int64(minor)
		case "netbsd":
			// Copied from golang.org/x/sys/unix/dev_netbsd.go.
			major := uint32((dev & 0x000fff00) >> 8)
			minor := uint32((dev & 0x000000ff) >> 0)
			minor |= uint32((dev & 0xfff00000) >> 12)

### Minor changes to the library {#minor_library_changes}...

pkg syscall (freebsd-386-cgo), const BPF_MEM ideal-int
pkg syscall (freebsd-386-cgo), const BPF_MEMWORDS ideal-int
pkg syscall (freebsd-386-cgo), const BPF_MINBUFSIZE ideal-int
pkg syscall (freebsd-386-cgo), const BPF_MINOR_VERSION ideal-int
pkg syscall (freebsd-386-cgo), const BPF_MISC ideal-int
pkg syscall (freebsd-386-cgo), const BPF_MSH ideal-int
pkg syscall (freebsd-386-cgo), const BPF_MUL ideal-int