<netinet/tcp.h>(0P)                                 POSIX Programmer's Manual                                <netinet/tcp.h>(0P)



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 macro for use as a socket option at the IPPROTO_TCP level:

       TCP_NODELAY
              Avoid coalescing of small segments.


       The  macro  shall  be defined in the header. The implementation need not allow the value of the option to be set via set-
       sockopt() 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 IEEE Std 1003.1-2001, getsockopt(), setsockopt()

COPYRIGHT
       Portions of this text are reprinted and reproduced in electronic form from IEEE Std 1003.1, 2003  Edition,  Standard  for
       Information  Technology -- Portable Operating System Interface (POSIX), The Open Group Base Specifications Issue 6, Copy-
       right (C) 2001-2003 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.open-
       group.org/unix/online.html .



IEEE/The Open Group                                           2003                                           <netinet/tcp.h>(0P)