1*e72f3952SAlexander Dorokhine /* 2*e72f3952SAlexander Dorokhine * The authors of this software are Rob Pike and Ken Thompson. 3*e72f3952SAlexander Dorokhine * Copyright (c) 2002 by Lucent Technologies. 4*e72f3952SAlexander Dorokhine * Permission to use, copy, modify, and distribute this software for any 5*e72f3952SAlexander Dorokhine * purpose without fee is hereby granted, provided that this entire notice 6*e72f3952SAlexander Dorokhine * is included in all copies of any software which is or includes a copy 7*e72f3952SAlexander Dorokhine * or modification of this software and in all copies of the supporting 8*e72f3952SAlexander Dorokhine * documentation for such software. 9*e72f3952SAlexander Dorokhine * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED 10*e72f3952SAlexander Dorokhine * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY 11*e72f3952SAlexander Dorokhine * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY 12*e72f3952SAlexander Dorokhine * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. 13*e72f3952SAlexander Dorokhine */ 14*e72f3952SAlexander Dorokhine #include <stdarg.h> 15*e72f3952SAlexander Dorokhine #include <string.h> 16*e72f3952SAlexander Dorokhine #include "utf.h" 17*e72f3952SAlexander Dorokhine #include "utfdef.h" 18*e72f3952SAlexander Dorokhine 19*e72f3952SAlexander Dorokhine const 20*e72f3952SAlexander Dorokhine Rune* runestrchr(const Rune * s,Rune c)21*e72f3952SAlexander Dorokhinerunestrchr(const Rune *s, Rune c) 22*e72f3952SAlexander Dorokhine { 23*e72f3952SAlexander Dorokhine Rune c0 = c; 24*e72f3952SAlexander Dorokhine Rune c1; 25*e72f3952SAlexander Dorokhine 26*e72f3952SAlexander Dorokhine if(c == 0) { 27*e72f3952SAlexander Dorokhine while(*s++) 28*e72f3952SAlexander Dorokhine ; 29*e72f3952SAlexander Dorokhine return s-1; 30*e72f3952SAlexander Dorokhine } 31*e72f3952SAlexander Dorokhine 32*e72f3952SAlexander Dorokhine while((c1 = *s++) != 0) 33*e72f3952SAlexander Dorokhine if(c1 == c0) 34*e72f3952SAlexander Dorokhine return s-1; 35*e72f3952SAlexander Dorokhine return 0; 36*e72f3952SAlexander Dorokhine } 37