|  | /* | 
|  | * 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 "plan9.h" | 
|  | #include "utf.h" | 
|  |  | 
|  | Rune* | 
|  | runestrrchr(Rune *s, Rune c) | 
|  | { | 
|  | Rune *r; | 
|  |  | 
|  | if(c == 0) | 
|  | return runestrchr(s, 0); | 
|  | r = 0; | 
|  | while(s = runestrchr(s, c)) | 
|  | r = s++; | 
|  | return r; | 
|  | } |