send
send socket, msg, flags, [dest]
Sends a message msg
on a
socket. It takes the same flags as the system call of the same
name (see send(2)
). On
unconnected sockets, you must specify a destination
dest
to send to, in which case send
works like sendto(2)
. The function returns the
number of bytes sent, or the undefined value if there is an error.
On error, it puts the error code into $!
.
Some non-Unix systems improperly treat sockets as different
objects than ordinary file descriptors, which means that you must
always use send
and recv
on sockets rather than the standard
I/O operators.
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