D and i/o

Jonathan Marler johnnymarler at gmail.com
Mon Nov 11 20:10:07 UTC 2019

On Monday, 11 November 2019 at 19:36:22 UTC, Jacob Carlborg wrote:
> On 2019-11-11 02:04, sarn wrote:
>> FTR, that sounds like Linux's sendfile and splice syscalls. 
>> They're not portable, though.
> "sendfile" is intended to send a file over a socket?

You could use it to send a file over a socket.  However, it 
should be usable to forward data between any 2 file descriptors.  
  I believe that `cat` uses it to forward a file handle to stdio 
for example.  Or you could use it to implement `cp` to copy from 
content from one file to another.

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