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document error case

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Felix von Leitner 16 years ago
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      io/iob_new.3

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io/iob_new.3 View File

@ -18,5 +18,8 @@ APIs like FreeBSD's sendfile. The file contents will always be sent in
a way that allows the operating systems to perform zero copy TCP, and
the buffers will always be sent using as few syscalls as possible and
avoiding unnecessary copying (using writev).
.SH "RETURN VALUE"
iob_new returns a pointer to an I/O batch data structure. If there was
a memory allocation error, it returns NULL instead.
.SH "SEE ALSO"
iob_reset(3), iob_send(3), iob_addbuf(3), iob_adds_free(3), iob_addfile(3)

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