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.TH iob_bytesleft 3
.SH NAME
iob_bytesleft \- how many bytes are still to be sent?
.SH SYNTAX
.B #include <libowfat/iob.h>
uint64 \fBiob_bytesleft\fP(const io_batch* b);
.SH DESCRIPTION
iob_bytesleft returns the number of bytes that still need to be sent in
this IO batch. If you just want to see whether you need to call
iob_send again, there is no advantage in this function to calling
iob_send directly and looking whether it returned 0.
.SH "SEE ALSO"
iob_send(3)