'\" et
.TH netinet_tcp.h "0P" 2017 "IEEE/The Open Group" "POSIX Programmer's Manual"
.\"
.SH PROLOG
This manual page is part of the POSIX Programmer's Manual.
The Linux implementation of this interface may differ (consult
the corresponding Linux manual page for details of Linux behavior),
or the interface may not be implemented on Linux.
.\"
.SH NAME
netinet/tcp.h
\(em definitions for the Internet Transmission Control Protocol (TCP)
.SH SYNOPSIS
.LP
.nf
#include <netinet/tcp.h>
.fi
.SH DESCRIPTION
The
.IR <netinet/tcp.h> 
header shall define the following symbolic constant for use as a
socket option at the IPPROTO_TCP level:
.IP TCP_NODELAY 12
Avoid coalescing of small segments.
.P
The implementation need not allow the value of the option to be set via
\fIsetsockopt\fR()
or retrieved via
\fIgetsockopt\fR().
.LP
.IR "The following sections are informative."
.SH "APPLICATION USAGE"
None.
.SH "RATIONALE"
None.
.SH "FUTURE DIRECTIONS"
None.
.SH "SEE ALSO"
.IR "\fB<sys_socket.h>\fP"
.P
The System Interfaces volume of POSIX.1\(hy2017,
.IR "\fIgetsockopt\fR\^(\|)",
.IR "\fIsetsockopt\fR\^(\|)"
.\"
.SH COPYRIGHT
Portions of this text are reprinted and reproduced in electronic form
from IEEE Std 1003.1-2017, Standard for Information Technology
-- Portable Operating System Interface (POSIX), The Open Group Base
Specifications Issue 7, 2018 Edition,
Copyright (C) 2018 by the Institute of
Electrical and Electronics Engineers, Inc and The Open Group.
In the event of any discrepancy between this version and the original IEEE and
The Open Group Standard, the original IEEE and The Open Group Standard
is the referee document. The original Standard can be obtained online at
http://www.opengroup.org/unix/online.html .
.PP
Any typographical or formatting errors that appear
in this page are most likely
to have been introduced during the conversion of the source files to
man page format. To report such errors, see
https://www.kernel.org/doc/man-pages/reporting_bugs.html .