Library Version 18.1.40

32bit/64bit Compatibility on Windows
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## 32bit/64bit Compatibility on Windows

Berkeley DB can now be compiled on Windows so that 32 bit and 64 bit applications can concurrently access a BDB environment. To enable this feature, build both the 32 bit BDB library and application and the 64 bit library and application with the flag `/D HAVE_MIXED_SIZE_ADDRESSING`. Note that private environments are disabled under the compatibility mode.

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