| // Copyright 2016 The Fuchsia Authors |
| // 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> |
| |
| static char *___strtok = NULL; |
| |
| char *strtok(char *s, char const *ct) { |
| char *sbegin, *send; |
| |
| sbegin = s ? s : ___strtok; |
| if (!sbegin) { |
| return NULL; |
| } |
| sbegin += strspn(sbegin, ct); |
| if (*sbegin == '\0') { |
| ___strtok = NULL; |
| return (NULL); |
| } |
| send = strpbrk(sbegin, ct); |
| if (send && *send != '\0') |
| *send++ = '\0'; |
| ___strtok = send; |
| return (sbegin); |
| } |