recvmmsg (2), recvmsg (2), send (2), sendto (2), and sendmsg (2), unless a timeout ... using setsockopt (2): connect (2), send (2), sendto (2), and sendmsg (2). • Interfaces usedsocket that was not previously bound; • sendto (2) is called on a datagram socket that ... calls ( connect (2), bind (2), listen (2), sendto (2)) that can assign ephemeral portsunspecified. Datagrams can be sent immediately using sendto (2) or sendmsg (2) with a valid ... other destinations by passing an address to sendto (2) or sendmsg (2). In orderlocal families like AF_UNIX ) send (2), sendto (2), and sendmsg (2) send data overpost (3) send (2) sendmsg (2) sendto (2) setgid (2) setpgid (2) setsid (2) setsockoptAddress format For sending and receiving datagrams ( sendto (2), recvfrom (2), and similar), raw socketsexample, bind (2), connect (2), and sendto (2)) take a sockaddr_un argument as inputignored. If an address is passed using sendto (2) or sendmsg (2), then that overridesselect() sem_timedwait() sem_wait() send() sendmsg() sendto() sigpause() [POSIX.1-2001 only (moves to "may" list