none (or all) functions should be static. making all function non-static.
consistent format of function args (ie each argument on its own line).
adding __notnull for our fcb, fobx, vnetroot, netroot context pointers.
removed some non-implemented function from our redirector functions table.
left some no-op functions that are just required: flush, isvaliddir,
deallocatefcb. not sure about completebufferingstate function.
80char lines corrections
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