func (b *Buffer) tryGrowByReslice(n int) (int, bool) {
	if l := len(b.buf); n <= cap(b.buf)-l {
		b.buf = b.buf[:l+n]
		return l, true
	}
	return 0, false
}

// grow grows the buffer to guarantee space for n more bytes.
// It returns the index where bytes should be written.
// If the buffer can't grow it will panic with ErrTooLarge.
func (b *Buffer) grow(n int) int {
	m := b.Len()

// main.swig turns into a file also named main.go.
// Make sure cmd/go keeps them separate
// when both are passed to cgo.

package main

//int F(void) { return 1; }
import "C"
import (
	"fmt"
	"os"
)

func F() int { return int(C.F()) }

func main() {
	if x := int(C.F()); x != 1 {
		fatal("x = %d, want 1", x)
	}

	// Open this file itself and verify that the first few characters are
	// as expected.

//
// pthread_t *t = NULL;
// pthread_mutex_t mu;
// int nts = 0;
// int all_done = 0;
//
// static void *aFn(void *vargp) {
//   int done = 0;
//   while (!done) {
//     usleep(100);
//     pthread_mutex_lock(&mu);
//     done = all_done;
//     pthread_mutex_unlock(&mu);
//   }
//   return NULL;
// }
//
// void trial(int argc) {
//   int i;
//   nts = argc;
//   t = calloc(nts, sizeof(pthread_t));

}

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 {
	s := t.s
	for {
		t.tok = ScanToken(s.Scan())
		if t.tok != scanner.Comment {
			break
		}

var dwarfToName = map[string]string{
	"long int":               "long",
	"long unsigned int":      "ulong",
	"unsigned int":           "uint",
	"short unsigned int":     "ushort",
	"unsigned short":         "ushort", // Used by Clang; issue 13129.
	"short int":              "short",
	"long long int":          "longlong",
	"long long unsigned int": "ulonglong",
	"signed char":            "schar",

	}
	return &pooledFlateWriter{fw: fw}
}

type pooledFlateWriter struct {
	mu sync.Mutex // guards Close and Write
	fw *flate.Writer
}

func (w *pooledFlateWriter) Write(p []byte) (n int, err error) {
	w.mu.Lock()
	defer w.mu.Unlock()
	if w.fw == nil {
		return 0, errors.New("Write after Close")
	}
	return w.fw.Write(p)
}

func (w *pooledFlateWriter) Close() error {
	w.mu.Lock()

pkg unicode/utf16, func RuneLen(int32) int #44940...

The [SliceAt(typ Type, p unsafe.Pointer, len int)] function
returns a Value representing a slice whose underlying array starts

pkg syscall (linux-386-cgo), const CLONE_PIDFD = 4096 #51246
pkg syscall (linux-386-cgo), const CLONE_PIDFD ideal-int #51246
pkg syscall (linux-386-cgo), type SysProcAttr struct, CgroupFD int #51246
pkg syscall (linux-386-cgo), type SysProcAttr struct, UseCgroupFD bool #51246
pkg syscall (linux-386), const CLONE_CLEAR_SIGHAND = 4294967296 #51246
pkg syscall (linux-386), const CLONE_CLEAR_SIGHAND ideal-int #51246

pkg math/bits, const UintSize ideal-int
pkg math/bits, func LeadingZeros(uint) int
pkg math/bits, func LeadingZeros16(uint16) int
pkg math/bits, func LeadingZeros32(uint32) int
pkg math/bits, func LeadingZeros64(uint64) int
pkg math/bits, func LeadingZeros8(uint8) int
pkg math/bits, func Len(uint) int
pkg math/bits, func Len16(uint16) int
pkg math/bits, func Len32(uint32) int
pkg math/bits, func Len64(uint64) int