1iob_bytesleft(3)           Library Functions Manual           iob_bytesleft(3)
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NAME

6       iob_bytesleft - how many bytes are still to be sent?
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SYNTAX

9       #include <iob.h>
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11       uint64 iob_bytesleft(const io_batch* b);
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DESCRIPTION

14       iob_bytesleft returns the number of bytes that still need to be sent in
15       this IO batch.  If you just want  to  see  whether  you  need  to  call
16       iob_send  again,  there  is  no  advantage  in this function to calling
17       iob_send directly and looking whether it returned 0.
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SEE ALSO

21       iob_send(3)
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25                                                              iob_bytesleft(3)