&tip; ''指定アドレスへの送信''
''int'' ''&color(Maroon){sendto};'' ''(''
  ''SOCKET'' s,
  ''const char *'' buf,
  ''int'' len,
  ''int'' flags,
  ''const struct sockaddr *'' to,
  ''int'' tolen
'');''

* &tip; パラメータ [#ia439945]
''s''
-[in] Descriptor identifying a (possibly connected) socket.

''buf''
-[in] Buffer containing the data to be transmitted.

''len''
-[in] Length of the data in buf, in bytes.

''flags''
-[in] Indicator specifying the way in which the call is made.

''to''
-[in] Optional pointer to a sockaddr structure that contains the address of the target socket.

''tolen''
-[in] Size of the address in to, in bytes.