os-workshop

same materials and sample source for RV32 OS projects
git clone http://frotz.net/git/os-workshop.git
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strrchr.c (547B)

      1 /*
      2 ** Copyright 2001, Manuel J. Petit. All rights reserved.
      3 ** Distributed under the terms of the NewOS License.
      4 */
      5 /*
      6  * Copyright (c) 2008 Travis Geiselbrecht
      7  *
      8  * Use of this source code is governed by a MIT-style
      9  * license that can be found in the LICENSE file or at
     10  * https://opensource.org/licenses/MIT
     11  */
     12 #include <string.h>
     13 #include <stdint.h>
     14 
     15 char *
     16 strrchr(char const *s, int c) {
     17     char const *last= c?0:s;
     18 
     19 
     20     while (*s) {
     21         if (*s== c) {
     22             last= s;
     23         }
     24 
     25         s+= 1;
     26     }
     27 
     28     return (char *)last;
     29 }