k := SwapInt32(&x.i, delta)
		if x.i != delta || k != j {
			t.Fatalf("delta=%d i=%d j=%d k=%d", delta, x.i, j, k)
		}
		j = delta
	}
	if x.before != magic32 || x.after != magic32 {
		t.Fatalf("wrong magic: %#x _ %#x != %#x _ %#x", x.before, x.after, magic32, magic32)
	}
}

func TestSwapInt32Method(t *testing.T) {
	var x struct {
		before int32
		i      Int32
		after  int32
	}
	x.before = magic32

    assertThat(readJournalLines()).isEqualTo(
      listOf(DiskLruCache.MAGIC, DiskLruCache.VERSION_1, "100", "2", "") + expectedBodyLines,
    )
  }

  private fun createJournal(vararg bodyLines: String) {
    createJournalWithHeader(
      DiskLruCache.MAGIC,
      DiskLruCache.VERSION_1,
      "100",
      "2",
      "",
      *bodyLines,
    )
  }

	XCOFFTEXTBASE = 0x100000000 // Start of text address
	XCOFFDATABASE = 0x200000000 // Start of data address
)

// File Header
type XcoffFileHdr64 struct {
	Fmagic   uint16 // Target machine
	Fnscns   uint16 // Number of sections
	Ftimedat int32  // Time and date of file creation
	Fsymptr  uint64 // Byte offset to symbol table start
	Fopthdr  uint16 // Number of bytes in optional header

	}
	return
}

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func reboot(magic1 uint, magic2 uint, cmd int, arg string) (err error) {
	var _p0 *byte
	_p0, err = BytePtrFromString(arg)
	if err != nil {
		return
	}
	_, _, e1 := Syscall6(SYS_REBOOT, uintptr(magic1), uintptr(magic2), uintptr(cmd), uintptr(unsafe.Pointer(_p0)), 0, 0)
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

	c2 := bgetc(f)
	c3 := bgetc(f)
	c4 := bgetc(f)
	f.MustSeek(start, 0)

	unit := &sym.CompilationUnit{Lib: lib}
	lib.Units = append(lib.Units, unit)

	magic := uint32(c1)<<24 | uint32(c2)<<16 | uint32(c3)<<8 | uint32(c4)
	if magic == 0x7f454c46 { // \x7F E L F
		ldelf := func(ctxt *Link, f *bio.Reader, pkg string, length int64, pn string) {

	suggestFixes()
	ld.exitIfErrors(ctx)
}

// scanDir is like imports.ScanDir but elides known magic imports from the list,
// so that we do not go looking for packages that don't really exist.
//
// The standard magic import is "C", for cgo.
//
// The only other known magic imports are appengine and appengine/*.
// These are so old that they predate "go get" and did not use URL-like paths.

func PtraceSeize(pid int) (err error) { return ptrace(PTRACE_SEIZE, pid, 0, 0) }

func PtraceDetach(pid int) (err error) { return ptrace(PTRACE_DETACH, pid, 0, 0) }

//sys	reboot(magic1 uint, magic2 uint, cmd int, arg string) (err error)

func Reboot(cmd int) (err error) {
	return reboot(LINUX_REBOOT_MAGIC1, LINUX_REBOOT_MAGIC2, cmd, "")
}

func direntIno(buf []byte) (uint64, bool) {

	if !ok {
		return nil, ErrMissingBoundary
	}
	return multipart.NewReader(r.Body, boundary), nil
}

// isH2Upgrade reports whether r represents the http2 "client preface"
// magic string.
func (r *Request) isH2Upgrade() bool {
	return r.Method == "PRI" && len(r.Header) == 0 && r.URL.Path == "*" && r.Proto == "HTTP/2.0"
}

// Return value if nonempty, def otherwise.

(Zero [3] ptr mem) =>
	(MOVBstore [2] ptr (MOVWconst [0])
		(MOVBstore [1] ptr (MOVWconst [0])
			(MOVBstore [0] ptr (MOVWconst [0]) mem)))

// Medium zeroing uses a duff device
// 4 and 128 are magic constants, see runtime/mkduff.go
(Zero [s] {t} ptr mem)
	&& s%4 == 0 && s > 4 && s <= 512
	&& t.Alignment()%4 == 0 && !config.noDuffDevice =>
	(DUFFZERO [4 * (128 - s/4)] ptr (MOVWconst [0]) mem)

	//     printf -v x "%04x" i;
	//     echo "int var_$x __attribute__((section(\"section_$x\"))) = $i;"
	//   done > y.c
	// 2. compile: gcc -c y.c -m32
	//
	// $readelf -h y.o
	// ELF Header:
	//   Magic:   7f 45 4c 46 01 01 01 00 00 00 00 00 00 00 00 00
	//   Class:                             ELF32
	//   Data:                              2's complement, little endian
	//   Version:                           1 (current)