1 files changed, 36 insertions, 0 deletions
diff --git a/lib/c-strcasestr.h b/lib/c-strcasestr.h
new file mode 100644
index 0000000..f62ab1f
--- /dev/null
+++ b/lib/c-strcasestr.h
@@ -0,0 +1,36 @@
+/* Case-insensitive searching in a string in C locale.
+   Copyright (C) 2005, 2009-2023 Free Software Foundation, Inc.
+
+   This file is free software: you can redistribute it and/or modify
+   it under the terms of the GNU Lesser General Public License as
+   published by the Free Software Foundation; either version 2.1 of the
+   License, or (at your option) any later version.
+
+   This file 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 Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public License
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
+
+#ifndef C_STRCASESTR_H
+#define C_STRCASESTR_H
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+/* Find the first occurrence of NEEDLE in HAYSTACK, using case-insensitive
+   comparison.  */
+extern char *c_strcasestr (const char *haystack, const char *needle);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+
+#endif /* C_STRCASESTR_H */