netinet_tcp.h(0P)	   POSIX Programmer's Manual	     netinet_tcp.h(0P)

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.

NAME
       netinet/tcp.h — definitions for the Internet Transmission Control
       Protocol (TCP)

SYNOPSIS
       #include <netinet/tcp.h>

DESCRIPTION
       The <netinet/tcp.h> header shall define the following symbolic constant
       for use as a socket option at the IPPROTO_TCP level:

       TCP_NODELAY Avoid coalescing of small segments.

       The implementation need not allow the value of the option to be set via
       setsockopt() or retrieved via getsockopt().

       The following sections are informative.

APPLICATION USAGE
       None.

RATIONALE
       None.

FUTURE DIRECTIONS
       None.

SEE ALSO
       <sys_socket.h>

       The System Interfaces volume of POSIX.1‐2017, getsockopt(),
       setsockopt()

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 .

       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 .

IEEE/The Open Group		     2017		     netinet_tcp.h(0P)