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Purpose
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Enables low-level caching for the specified file. |
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Return value
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Returns SUCCEED (or 0) if successful and FAIL (or -1) otherwise. |
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Description
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If file_id is set to CACHE_ALL_FILES, then the value of cache_switch is used to modify the default file cache setting. |
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Valid values for cache_switch are: TRUE (or 1) to enable caching and FALSE (or 0) to disable caching. |