socket_sendmsg Send a message &reftitle.description; intsocket_sendmsg resourcesocket arraymessage intflags0 &warn.undocumented.func; &reftitle.parameters; socket message flags &reftitle.returnvalues; Returns the number of bytes sent, &return.falseforfailure;. &reftitle.seealso; socket_recvmsg socket_cmsg_space