| /* |
| ** Copyright 2001, Travis Geiselbrecht. All rights reserved. |
| ** Distributed under the terms of the NewOS License. |
| */ |
| /* |
| * 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> |
| |
| size_t |
| strspn(char const *s, char const *accept) { |
| const char *p; |
| const char *a; |
| size_t count = 0; |
| |
| for (p = s; *p != '\0'; ++p) { |
| for (a = accept; *a != '\0'; ++a) { |
| if (*p == *a) |
| break; |
| } |
| if (*a == '\0') |
| return count; |
| ++count; |
| } |
| |
| return count; |
| } |