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+/* Searching in a string.
+ Copyright (C) 2001-2003, 2006, 2009-2014 Free Software Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+
+/* The functions defined in this file assume a nearly ASCII compatible
+ character set. */
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Find the first occurrence of NEEDLE in HAYSTACK.
+ This function is safe to be called, even in a multibyte locale, if NEEDLE
+ 1. consists solely of printable ASCII characters excluding '\\' and '~'
+ [this restriction is needed because of Shift_JIS and JOHAB]
+ or of the control ASCII characters '\a' '\b' '\f' '\n' '\r' '\t' '\v'
+ [this restriction is needed because of VISCII], and
+ 2. has at least length 2
+ [this restriction is needed because of BIG5, BIG5-HKSCS, GBK, GB18030,
+ Shift_JIS, JOHAB], and
+ 3. does not consist entirely of decimal digits, or has at least length 4
+ [this restriction is needed because of GB18030].
+ This function is also safe to be called, even in a multibyte locale, if
+ HAYSTACK and NEEDLE are known to both consist solely of printable ASCII
+ characters excluding '\\' and '~'. */
+extern char *c_strstr (const char *haystack, const char *needle);
+
+#ifdef __cplusplus
+}
+#endif