1 @c Documentation of gnulib module 'c-strstr'.
3 @c Copyright (C) 2008--2025 Free Software Foundation, Inc.
5 @c Permission is granted to copy, distribute and/or modify this document
6 @c under the terms of the GNU Free Documentation License, Version 1.3 or
7 @c any later version published by the Free Software Foundation; with no
8 @c Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A
9 @c copy of the license is at <https://www.gnu.org/licenses/fdl-1.3.en.html>.
12 The @code{c-strstr} module contains a substring search function operating
13 on single-byte character strings, that operate as if the locale encoding
15 (The "C" locale on many systems has the locale encoding "ASCII".)
19 extern char *c_strstr (const char *haystack, const char *needle);
22 Note: The function @code{strstr} from @code{<string.h>} supports only
25 for multibyte locales, you need the function @code{mbsstr}.