Specifications

Chapter 18. TCP/IP
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18.4 Socket API
18.4.1 Overview
The SOCKET.FN3 library implements a subset of the BSD4.4 socket application program
interface (API).
The following flowcharts show the BSD4.4 socket API calls for the two communications proto-
cols required for the TCP/IP transport layer: transmission control protocol (TCP) for streams
and user datagram protocol (UDP) for datagrams.
■ Transmission Control Protocol (TCP)
socket()
connect()
send()
select()
recv()
close()
socket()
bind()
listen()
accept()
select()
recv()
send()
close()
Client Server