diff options
| -rw-r--r-- | include/strings.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/strings.h b/include/strings.h index 2b7e086c..4d7d69c3 100644 --- a/include/strings.h +++ b/include/strings.h @@ -20,7 +20,9 @@ char *index (const char *, int); char *rindex (const char *, int); #endif +#if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE) int ffs (int); +#endif int strcasecmp (const char *, const char *); int strncasecmp (const char *, const char *, size_t); |