.\" This man page is Copyright (C) 1998 Pawel Krawczyk.
+.\"
+.\" %%%LICENSE_START(VERBATIM_ONE_PARA)
.\" Permission is granted to distribute possibly modified copies
.\" of this page provided the header is included verbatim,
.\" and in case of nontrivial modification author and date
.\" of the modification is added to the header.
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+.\"
.\" $Id: sendfile.2,v 1.5 1999/05/18 11:54:11 freitag Exp $
.\" 2000-11-19 bert hubert <ahu@ds9a.nl>: in_fd cannot be socket
.\"
If it is a regular file, then
.BR sendfile ()
changes the file offset appropriately.
-.SH "RETURN VALUE"
+.SH RETURN VALUE
If the transfer was successful, the number of bytes written to
.I out_fd
is returned.
The include file
.I <sys/sendfile.h>
is present since glibc 2.1.
-.SH "CONFORMING TO"
+.SH CONFORMING TO
Not specified in POSIX.1-2001, or other standards.
Other UNIX systems implement
.BR splice (2)
call supports transferring data between arbitrary files
(e.g., a pair of sockets).
-.SH "SEE ALSO"
+.SH SEE ALSO
.BR mmap (2),
.BR open (2),
.BR socket (2),