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SubjectRe: int sendfile(int out_fd,int in_fd,off_t* offset,size_t count)
FromFlorian Weimer <>
Date14 Aug 1999 12:57:35 +0200
  mag321 <mag321@263.net> writes:

> for example,what if out_fd is a non block I/O?

sendfile sends as many data as possible without blocking. After that,
it returns `EWOULDBLOCK'.

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