zircon/kernel/lib/libc/string/strrchr.c

// Copyright 2016 The Fuchsia Authors
// Copyright 2001, Manuel J. Petit
// Copyright (c) 2008 Travis Geiselbrecht
//
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file or at
// https://opensource.org/licenses/MIT

#include <string.h>
#include <sys/types.h>

char *strrchr(char const *s, int c) {
  char const *last = c ? 0 : s;

  while (*s) {
    if (*s == c) {
      last = s;
    }

    s += 1;
  }

  return (char *)last;
}