socket problem?

[Root Boy Jim]

subbarao at phoenix.Princeton.EDU (Kartik Subbarao) writes:
?In article <1991May20.210923.12177 at rfengr.com> brian at coconut.com writes:
?>
?>	read( sd, &theStruct, sizeof(theStruct) );
?>
?>where sd is the socket descriptor and theStruct is just some big structure.
?>Read returns a value of 3 or it just blocks altogether.  Any ideas?
?
?This is not a "bug", but rather a documented feature of sockets...

I know. But why a value of `3'? Often on the first read.
I have seen this exact behavior. What is special about `3'?
-- 
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