HP Rp5405 BSD Sockets Interface Programmer's Guide - Page 99

The client or server process should receive data after sockets are bound.

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Page 99 highlights

Using Internet Datagram Sockets Sending and Receiving Messages • MSG_PEEK for a nondestructive read. Use the MSG_PEEK option to preview an incoming message. If this option is set on a recvfrom, any message returned remains in the data buffer as though it had not been read yet. The next recvfrom will return the same message. When to Receive Data The client or server process should receive data after sockets are bound. Refer to the recv(2) man page for more information on recvfrom and recvmsg. Chapter 4 99

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Chapter 4
99
Using Internet Datagram Sockets
Sending and Receiving Messages
•
MSG_PEEK for a nondestructive read.
Use the MSG_PEEK option to preview an incoming message. If this
option is set on a
recvfrom
, any message returned remains in the data
buffer as though it had not been read yet. The next
recvfrom
will return
the same message.
When to Receive Data
The client or server process should receive data after sockets are bound.
Refer to the
recv(2)
man page for more information on
recvfrom
and
recvmsg
.