I mean ideally it'd be sendfile but like. it appears that this is actually very complicated to implement for reasons that are currently going over my head
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there appears to be at least a proposal for something more generic...
oh so basically it's just splice? I can just use splice? might have to write a wrapper around it or something but if it's that easy (it's probably not) that should be epic. time to look at sendfile and copy_file_range source code yahoo....
> function with several nested typedefs
> look inside
memcpy
file_copy_range is also a spicy splice. how does it differ from sendfile?