recvSOCKET,SCALAR,LEN,FLAGS
This function receives a message on a socket.
It attempts to receive
LENGTH
bytes of data into variable
SCALAR
from
the specified
SOCKET
filehandle. The function returns the address of
the sender, or the undefined value if there's an error.
SCALAR
will
be grown or shrunk to the length actually read. The function takes
the same flags as
recv
(2). See the section "Sockets" in
Chapter 6
.
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