1 files changed, 44 insertions, 0 deletions
diff --git a/src/grep/src/kwset.h b/src/grep/src/kwset.h
new file mode 100644
index 0000000..24e13e2
--- /dev/null
+++ b/src/grep/src/kwset.h
@@ -0,0 +1,44 @@
+/* kwset.h - header declaring the keyword set library.
+   Copyright (C) 1989, 1998, 2005, 2007, 2009-2021 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, 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, write to the Free Software
+   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
+   02110-1301, USA.  */
+
+/* Written August 1989 by Mike Haertel.  */
+
+#include <stddef.h>
+#include <stdbool.h>
+
+struct kwsmatch
+{
+  ptrdiff_t index;	/* Index number of matching keyword.  */
+  ptrdiff_t offset;	/* Offset of match.  */
+  ptrdiff_t size;	/* Length of match.  */
+};
+
+#include "arg-nonnull.h"
+
+struct kwset;
+typedef struct kwset *kwset_t;
+
+extern kwset_t kwsalloc (char const *);
+extern void kwsincr (kwset_t, char const *, ptrdiff_t);
+extern ptrdiff_t kwswords (kwset_t) _GL_ATTRIBUTE_PURE;
+extern void kwsprep (kwset_t);
+extern ptrdiff_t kwsexec (kwset_t, char const *, ptrdiff_t,
+                          struct kwsmatch *, bool)
+  _GL_ARG_NONNULL ((4));
+extern void kwsfree (kwset_t);