socket_sendmsg Send a message &reftitle.description; intfalsesocket_sendmsg Socketsocket arraymessage intflags0 &warn.undocumented.func; &reftitle.parameters; socket message flags &reftitle.returnvalues; Returns the number of bytes sent, &return.falseforfailure;. &reftitle.changelog; &Version; &Description; &sockets.changelog.socket-param; &reftitle.seealso; socket_recvmsg socket_cmsg_space