text: /**
   * Copyright 2010 Google Inc.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  /*
   * The authors of this software are Rob Pike and Ken Thompson.
   *              Copyright (c) 2002 by Lucent Technologies.
   * Permission to use, copy, modify, and distribute this software for any
   * purpose without fee is hereby granted, provided that this entire notice
   * is included in all copies of any software which is or includes a copy
   * or modification of this software and in all copies of the supporting
   * documentation for such software.
   * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED
   * WARRANTY.  IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY
   * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY
   * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
   */
  #include <stdarg.h>
  #include <string.h>
  #include "third_party/utf/utf.h"
  #include "third_party/utf/utfdef.h"
  
  const
  Rune*
  runestrrchr(const Rune *s, Rune c)
  {
  	const Rune *r;
  
  	if(c == 0)
  		return runestrchr(s, 0);
  	r = 0;
  	while((s = runestrchr(s, c)) != 0)
  		r = s++;
  	return r;
  }
  