diff options
Diffstat (limited to 'include/wchar.h')
| -rw-r--r-- | include/wchar.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/include/wchar.h b/include/wchar.h index 755b583..2b757ca 100644 --- a/include/wchar.h +++ b/include/wchar.h @@ -658,6 +658,23 @@ wchar_t* wmemdup(const wchar_t*, size_t) int wmemcmp(const wchar_t*, const wchar_t*, size_t) __GCC_ONLY(__attribute__((warn_unused_result, pure))); +#if defined(_SLIBC_SOURCE) && !defined(__PORTABLE) +/** + * Compare two memory segments alphabetically in a case insensitive manner. + * + * This is a slibc extension added because it was useful + * in implementing slibc itself. + * + * @param a A negative value is returned if this is the lesser. + * @param b A positive value is returned if this is the lesser. + * @param size The size of the segments. + * @return Zero is returned if `a` and `b` are equal, otherwise, + * see the specifications for `a` and `b`. + */ +int wmemcasecmp(const wchar_t*, const wchar_t*, size_t) + __GCC_ONLY(__attribute__((warn_unused_result, pure))); +#endif + /** * Compare two strings alphabetically in a case sensitive manner. * |