if f != nil {
			actual = f(tc.in, tc.arg)
		} else {
			actual = fb(tc.in, []byte(tc.arg))
		}
		report := func(s []byte) string {
			if s == nil {
				return "nil"
			} else {
				return fmt.Sprintf("%q", s)
			}
		}
		if len(actual) != 0 {
			t.Errorf("%s(%s, %q) returned non-empty value", name, report(tc.in), tc.arg)
		} else {
			actualNil := actual == nil
			outNil := tc.out == nil

					p.errorf("expected register; found %s", name)
				}
				a.Reg, _ = p.registerReference(name)
				p.get(')')
			}
		} else if p.atRegisterExtension() {
			a.Type = obj.TYPE_REG
			p.registerExtension(a, tok.String(), prefix)
			p.expectOperandEnd()
			return
		} else if r1, r2, scale, ok := p.register(tok.String(), prefix); ok {
			if scale != 0 {
				p.errorf("expected simple register reference")
			}

			break;
		} else {
			RtlVirtualUnwind(0, ImageBase, ControlPc, FunctionEntry, &context, &HandlerData, &EstablisherFrame, NULL);
		}

		ControlPc = context.Rip;
		// Check if we left the user range.
		if (ControlPc < 0x10000) {
			break;
		}

		BackTrace[i] = (PVOID)(ControlPc);
	}
	return i;
#else
	return 0;
#endif
}
*/
import "C"

import (

		// Extract first rune from each.
		var sr, tr rune
		if s[0] < utf8.RuneSelf {
			sr, s = rune(s[0]), s[1:]
		} else {
			r, size := utf8.DecodeRune(s)
			sr, s = r, s[size:]
		}
		if t[0] < utf8.RuneSelf {
			tr, t = rune(t[0]), t[1:]
		} else {
			r, size := utf8.DecodeRune(t)
			tr, t = r, t[size:]
		}

		// If they match, keep going; if not, return false.

				return len(p), nil
			}
		}
	}

	for _, b := range p {
		if rp == nil || rp.b != b {
			r.buf = append(r.buf, repeatedByte{r.Size(), b, 1})
			rp = &r.buf[len(r.buf)-1]
		} else {
			rp.n++
		}
	}
	return len(p), nil
}

func memset(a []byte, b byte) {
	if len(a) == 0 {
		return
	}
	// Double, until we reach power of 2 >= len(a), same as bytes.Repeat,

		rat, size := zt.Source()
		z, err = NewReader(rat, size)
		raw = make([]byte, size)
		if _, err := rat.ReadAt(raw, 0); err != nil {
			t.Errorf("ReadAt error=%v", err)
			return
		}
	} else {
		path := filepath.Join("testdata", zt.Name)
		if zt.Obscured {
			tf, err := obscuretestdata.DecodeToTempFile(path)
			if err != nil {
				t.Errorf("obscuretestdata.DecodeToTempFile(%s): %v", path, err)
				return

	var buf Buffer
	s := ""
	for i := 0; i < 50; i++ {
		wlen := rand.Intn(len(testString))
		if i%2 == 0 {
			s = fillString(t, "TestMixedReadsAndWrites (1)", &buf, s, 1, testString[0:wlen])
		} else {
			s = fillBytes(t, "TestMixedReadsAndWrites (1)", &buf, s, 1, testBytes[0:wlen])
		}

		rlen := rand.Intn(len(testString))
		fub := make([]byte, rlen)
		n, _ := buf.Read(fub)
		s = s[n:]
	}

host object files found in package archives to that directory (renamed
to avoid conflicts), write the go.o file to that directory, and invoke
the host linker. The default value for the host linker is $CC, split
into fields, or else "gcc". The specific host linker command line can
be overridden using command line flags: cmd/link -extld=clang
-extldflags='-ggdb -O3'. If any package in a build includes a .cc or

// converted to the other form and back. The various tar formats with sparse
// file support represent sparse files in the sparseDatas form. That is, they
// specify the fragments in the file that has data, and treat everything else as
// having zero bytes. As such, the encoding and decoding logic in this package
// deals with sparseDatas.
//
// However, the external API uses sparseHoles instead of sparseDatas because the

			if len(mm) != 1 {
				t.Errorf("%s: invalid errorcheck line:\n%s", fileline, line)
			} else if err := errors[fileline]; err == "" {
				t.Errorf("%s: missing error, want %s", fileline, all)
			} else if !strings.Contains(err, mm[0][1]) {
				t.Errorf("%s: wrong error for %s:\n%s", fileline, all, err)
			}
		} else {
			if errors[fileline] != "" {
				t.Errorf("unexpected error on %s: %v", fileline, errors[fileline])