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Specifies how to access a stream.
Default access. Not very useful.
Allows only read operations on the stream.
Allows only write operations on the stream.
Allows data to be executed. This is only used for memory mapped files.
Allows both read and write operations on the stream.
Complete access.
Relative position to seek from.
Seek relative to the beginning of the stream.
Seek relative to the current position in the stream.
Seek relative to the end of the stream.
Stream exceptions.