/* Copyright (C) 1991 Free Software Foundation, Inc.This file is part of the GNU C Library.The GNU C Library is free software; you can redistribute it and/ormodify it under the terms of the GNU Library General Public License aspublished by the Free Software Foundation; either version 2 of theLicense, or (at your option) any later version.The GNU C Library is distributed in the hope that it will be useful,but WITHOUT ANY WARRANTY; without even the implied warranty ofMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNULibrary General Public License for more details.You should have received a copy of the GNU Library General PublicLicense along with the GNU C Library; see the file COPYING.LIB.  Ifnot, write to the Free Software Foundation, Inc., 675 Mass Ave,Cambridge, MA 02139, USA.  */#ifndef __HAVE_ARCH_STRRCHR#include <sys/types.h>#include <string.h>#include <ctype.h>char * strrchr(const char * s, int c){  register const char *found, *p;  c = (unsigned char) c;  /* Since strchr is fast, we use it rather than the obvious loop.  */    if (c == '\0')    return strchr(s, '\0');  found = NULL;  while ((p = strchr(s, c)) != NULL)    {      found = p;      s = p + 1;    }  return (char *) found;}#endif