pkg syscall (netbsd-386), const CLONE_CSIGNAL ideal-int
pkg syscall (netbsd-386), const CLONE_FILES = 1024
pkg syscall (netbsd-386), const CLONE_FILES ideal-int
pkg syscall (netbsd-386), const CLONE_FS = 512
pkg syscall (netbsd-386), const CLONE_FS ideal-int
pkg syscall (netbsd-386), const CLONE_PID = 4096
pkg syscall (netbsd-386), const CLONE_PID ideal-int
pkg syscall (netbsd-386), const CLONE_PTRACE = 8192

pkg syscall (freebsd-arm64), const BPF_T_MICROTIME_MONOTONIC = 512
pkg syscall (freebsd-arm64), const BPF_T_MICROTIME_MONOTONIC ideal-int
pkg syscall (freebsd-arm64), const BPF_T_MICROTIME_MONOTONIC_FAST = 768
pkg syscall (freebsd-arm64), const BPF_T_MICROTIME_MONOTONIC_FAST ideal-int
pkg syscall (freebsd-arm64), const BPF_T_MONOTONIC = 512
pkg syscall (freebsd-arm64), const BPF_T_MONOTONIC ideal-int

// https://cs.opensource.google/go/x/crypto/+/refs/tags/v0.22.0:ssh/common.go;l=85
var supportedMACs = []string{
	"******@****.***", "hmac-sha2-512******@****.***", "hmac-sha2-256", "hmac-sha2-512", "hmac-sha1", "hmac-sha1-96",
}

func sshPubKeyAuth(c ssh.ConnMetadata, key ssh.PublicKey) (*ssh.Permissions, error) {
	return authenticateSSHConnection(c, key, nil)
}

)

// label constants
const (
	driveL      = "drive"
	poolIndexL  = "pool_index"
	setIndexL   = "set_index"
	driveIndexL = "drive_index"

	apiL = "api"

	sectorSize = uint64(512)
	kib        = float64(1 << 10)

	driveHealthOffline = float64(0)
	driveHealthOnline  = float64(1)
	driveHealthHealing = float64(2)
)

var allDriveLabels = []string{driveL, poolIndexL, setIndexL, driveIndexL}

pkg math/bits (darwin-arm64-cgo), const UintSize = 64
pkg os (darwin-arm64), const DevNull = "/dev/null"
pkg os (darwin-arm64), const O_APPEND = 8
pkg os (darwin-arm64), const O_CREATE = 512
pkg os (darwin-arm64), const O_EXCL = 2048
pkg os (darwin-arm64), const O_SYNC = 128
pkg os (darwin-arm64), const O_TRUNC = 1024
pkg os (darwin-arm64), const PathListSeparator = 58

```

If you set an empty lookup bind password, the lookup bind will use the unauthenticated authentication mechanism, as described in [RFC 4513 Section 5.1.2](https://tools.ietf.org/html/rfc4513#section-5.1.2).

### User lookup

	MOVW	$-131072, R2          // c021fffe0000
	MOVH	$-512, R3             // a739fe00
	MOVB	$-1, R4               // a749ffff

	MOVD	$32767, n-8(SP)       // e548f0107fff
	MOVD	$-1, -524288(R1)      // e3a010008071e548a000ffff
	MOVW	$32767, n-8(SP)       // e54cf0107fff
	MOVW	$-32768, 4096(R2)     // e3a020000171e54ca0008000
	MOVH	$512, n-8(SP)         // e544f0100200

	// HighwayHash256 represents the HighwayHash-256 hash function
	HighwayHash256
	// HighwayHash256S represents the Streaming HighwayHash-256 hash function
	HighwayHash256S
	// BLAKE2b512 represents the BLAKE2b-512 hash function
	BLAKE2b512
)

// DefaultBitrotAlgorithm is the default algorithm used for bitrot protection.
const (
	DefaultBitrotAlgorithm = HighwayHash256S
)

// [Buffer.ReadFrom]. As long as the [Buffer] has at least MinRead bytes beyond
// what is required to hold the contents of r, [Buffer.ReadFrom] will not grow the
// underlying buffer.
const MinRead = 512

// ReadFrom reads data from r until EOF and appends it to the buffer, growing
// the buffer as needed. The return value n is the number of bytes read. Any

	magicGNU, versionGNU     = "ustar ", " \x00"
	magicUSTAR, versionUSTAR = "ustar\x00", "00"
	trailerSTAR              = "tar\x00"
)

// Size constants from various tar specifications.
const (
	blockSize  = 512 // Size of each block in a tar stream
	nameSize   = 100 // Max length of the name field in USTAR format
	prefixSize = 155 // Max length of the prefix field in USTAR format