FreeBSD/Linux Kernel Cross Reference
sys/contrib/openzfs/include/cityhash.h

     // Copyright (c) 2011 Google, Inc.
     //
     // Permission is hereby granted, free of charge, to any person obtaining a copy
     // of this software and associated documentation files (the "Software"), to deal
     // in the Software without restriction, including without limitation the rights
     // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     // copies of the Software, and to permit persons to whom the Software is
     // furnished to do so, subject to the following conditions:
     //
    // The above copyright notice and this permission notice shall be included in
    // all copies or substantial portions of the Software.
    //
    // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    // THE SOFTWARE.
    
    
    /*
     * Copyright (c) 2017 by Delphix. All rights reserved.
     */
    
    #ifndef _SYS_CITYHASH_H
    #define _SYS_CITYHASH_H extern __attribute__((visibility("default")))
    
    #include <sys/zfs_context.h>
    
    #ifdef  __cplusplus
    extern "C" {
    #endif
    
    _SYS_CITYHASH_H uint64_t cityhash4(uint64_t, uint64_t, uint64_t, uint64_t);
    
    #ifdef  __cplusplus
    }
    #endif
    
    #endif  /* _SYS_CITYHASH_H */

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