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+/* hash-pjw-bare.h -- declaration for a simple hash function
+ Copyright (C) 2012-2020 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 <https://www.gnu.org/licenses/>. */
+
+#include <stddef.h>
+
+/* Compute a hash code for a buffer starting at X and of size N,
+ and return the hash code. Note that unlike hash_pjw(), it does not
+ return it modulo a table size.
+ The result is platform dependent: it depends on the size of the 'size_t'
+ type. */
+extern size_t hash_pjw_bare (const void *x, size_t n) _GL_ATTRIBUTE_PURE;