Multithreaded network programming

• Networking Services Library (libnsl.so), which supports

  • challenge-response authentication

  • Connection Server interface

  • name-to-address mapping

  • network selection

  • Network Information Service^® (NIS)

  • remote execution

  • remote procedure calls (RPC)

  • the X/Open Transport Interface (XTI)

• sockets library (libsocket.so)

• resolver library (for Domain Name Service) (libresolv.so)

• name-to-address mapping transport-specific libraries for

  • NetWare Name Service^® (novell.so)

  • Domain Name Service (resolv.so)

  • loopback and other transports that use character-string addresses (straddr.so)

  • hosts and services files-based addressing (tcpip.so)

  • Network Information Service (tcpip_nis.so)