clntudp_bufcreate (3) - library routines for remote procedure calls
clntudp_create (3)   - library routines for remote procedure calls
nc (1)               - arbitrary TCP and UDP connections and listens
nc.openbsd (1)       - arbitrary TCP and UDP connections and listens
nc_openbsd (1)       - arbitrary TCP and UDP connections and listens
Net::Server::Proto::UDP (3pm) - Net::Server UDP protocol.
netcat (1)           - arbitrary TCP and UDP connections and listens
svcudp_bufcreate (3) - library routines for remote procedure calls
svcudp_create (3)    - library routines for remote procedure calls
udp (7)              - User Datagram Protocol for IPv4
udplite (7)          - Lightweight User Datagram Protocol