--- /dev/null
+/*
+ +--------------------------------------------------------------------+
+ | libmemcached - C/C++ Client Library for memcached |
+ +--------------------------------------------------------------------+
+ | Redistribution and use in source and binary forms, with or without |
+ | modification, are permitted under the terms of the BSD license. |
+ | You should have received a copy of the license in a bundled file |
+ | named LICENSE; in case you did not receive a copy you can review |
+ | the terms online at: https://opensource.org/licenses/BSD-3-Clause |
+ +--------------------------------------------------------------------+
+ | Copyright (c) 2006-2014 Brian Aker https://datadifferential.com/ |
+ | Copyright (c) 2020 Michael Wallner <mike@php.net> |
+ +--------------------------------------------------------------------+
+*/
+
+#pragma once
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+HASHKIT_API
+uint32_t libhashkit_one_at_a_time(const char *key, size_t key_length);
+
+HASHKIT_API
+uint32_t libhashkit_fnv1_64(const char *key, size_t key_length);
+
+HASHKIT_API
+uint32_t libhashkit_fnv1a_64(const char *key, size_t key_length);
+
+HASHKIT_API
+uint32_t libhashkit_fnv1_32(const char *key, size_t key_length);
+
+HASHKIT_API
+uint32_t libhashkit_fnv1a_32(const char *key, size_t key_length);
+
+HASHKIT_API
+uint32_t libhashkit_crc32(const char *key, size_t key_length);
+
+HASHKIT_API
+uint32_t libhashkit_hsieh(const char *key, size_t key_length);
+
+HASHKIT_API
+uint32_t libhashkit_murmur(const char *key, size_t key_length);
+
+HASHKIT_API
+uint32_t libhashkit_murmur3(const char *key, size_t key_length);
+
+HASHKIT_API
+uint32_t libhashkit_jenkins(const char *key, size_t key_length);
+
+HASHKIT_API
+uint32_t libhashkit_md5(const char *key, size_t key_length);
+
+HASHKIT_API
+void libhashkit_md5_signature(const unsigned char *key, size_t length, unsigned char *result);
+
+#ifdef __cplusplus
+}
+#endif