pkg syscall (netbsd-arm64-cgo), const RTM_RTTUNIT = 1000000
pkg syscall (netbsd-arm64-cgo), const RTM_RTTUNIT ideal-int
pkg syscall (netbsd-arm64-cgo), const RTM_SETGATE = 18
pkg syscall (netbsd-arm64-cgo), const RTM_SETGATE ideal-int
pkg syscall (netbsd-arm64-cgo), const RTM_VERSION = 4
pkg syscall (netbsd-arm64-cgo), const RTM_VERSION ideal-int
pkg syscall (netbsd-arm64-cgo), const RTV_EXPIRE = 4

pkg math/big, method (*Float) SetMantExp(*Float, int) *Float
pkg math/big, method (*Float) SetMode(RoundingMode) *Float
pkg math/big, method (*Float) SetPrec(uint) *Float
pkg math/big, method (*Float) SetRat(*Rat) *Float
pkg math/big, method (*Float) SetString(string) (*Float, bool)
pkg math/big, method (*Float) SetUint64(uint64) *Float
pkg math/big, method (*Float) Sign() int
pkg math/big, method (*Float) Signbit() bool

		return "@>"
	}
	return t.s.TokenText()
}

func (t *Tokenizer) File() string {
	return t.base.Filename()
}

func (t *Tokenizer) Base() *src.PosBase {
	return t.base
}

func (t *Tokenizer) SetBase(base *src.PosBase) {
	t.base = base
}

func (t *Tokenizer) Line() int {
	return t.line
}

func (t *Tokenizer) Col() int {
	return t.s.Pos().Column
}

func (t *Tokenizer) Next() ScanToken {

pkg go/constant, func ToComplex(Value) Value
pkg go/constant, func ToFloat(Value) Value
pkg go/constant, func ToInt(Value) Value
pkg go/constant, type Value interface, ExactString() string
pkg go/types, method (*Package) SetName(string)
pkg go/types, type ImportMode int
pkg go/types, type ImporterFrom interface { Import, ImportFrom }
pkg go/types, type ImporterFrom interface, Import(string) (*Package, error)

	// are relevant to all subsequent files.
	// This package only supports parsing and composing such headers,
	// but does not currently support persisting the global state across files.
	TypeXGlobalHeader = 'g'

	// Type 'S' indicates a sparse file in the GNU format.
	TypeGNUSparse = 'S'

	// Types 'L' and 'K' are used by the GNU format for a meta file

pkg fmt, type Scanner interface { Scan }
pkg fmt, type Scanner interface, Scan(ScanState, int32) error
pkg fmt, type State interface { Flag, Precision, Width, Write }
pkg fmt, type State interface, Flag(int) bool
pkg fmt, type State interface, Precision() (int, bool)
pkg fmt, type State interface, Width() (int, bool)
pkg fmt, type State interface, Write([]uint8) (int, error)
pkg fmt, type Stringer interface { String }

pkg syscall (freebsd-arm64), type IfData struct, Iqdrops uint64
pkg syscall (freebsd-arm64), type IfData struct, Lastchange Timeval
pkg syscall (freebsd-arm64), type IfData struct, Link_state uint8
pkg syscall (freebsd-arm64), type IfData struct, Metric uint64
pkg syscall (freebsd-arm64), type IfData struct, Mtu uint64
pkg syscall (freebsd-arm64), type IfData struct, Noproto uint64

pkg debug/pe, const IMAGE_FILE_MACHINE_RISCV64 ideal-int #54251
pkg encoding/xml, method (*Encoder) Close() error #53346
pkg errors, func Join(...error) error #53435
pkg fmt, func FormatString(State, int32) string #51668
pkg go/ast, type File struct, FileEnd token.Pos #53202
pkg go/ast, type File struct, FileStart token.Pos #53202
pkg go/ast, type RangeStmt struct, Range token.Pos #50429

	}
	r.prevRune = -1
	n = copy(b, r.s[r.i:])
	r.i += int64(n)
	return
}

// ReadAt implements the [io.ReaderAt] interface.
func (r *Reader) ReadAt(b []byte, off int64) (n int, err error) {
	// cannot modify state - see io.ReaderAt
	if off < 0 {
		return 0, errors.New("bytes.Reader.ReadAt: negative offset")
	}
	if off >= int64(len(r.s)) {
		return 0, io.EOF
	}
	n = copy(b, r.s[off:])
	if n < len(b) {
		err = io.EOF

	tok = in.Stack.Next()
	if tok != '\n' {
		in.Error("unexpected token at end of #line: ", tok)
	}
	pos := src.MakePos(in.Base(), uint(in.Line())+1, 1) // +1 because #line nnn means line nnn starts on next line
	in.Stack.SetBase(src.NewLinePragmaBase(pos, file, objabi.AbsFile(objabi.WorkingDir(), file, *flags.TrimPath), uint(line), 1))
}

// #undef processing
func (in *Input) undef() {
	name := in.macroName()
	if in.macros[name] == nil {