Info Catalog elisp: Low-Level Network elisp: Processes elisp: Serial Ports

elisp: Misc Network

 
 36.18 Misc Network Facilities
 =============================
 
 These additional functions are useful for creating and operating on
 network connections.  Note that they are supported only on some systems.
 
  -- Function: network-interface-list
      This function returns a list describing the network interfaces of
      the machine you are using.  The value is an alist whose elements
      have the form ‘(NAME . ADDRESS)’.  ADDRESS has the same form as the
      LOCAL-ADDRESS and REMOTE-ADDRESS arguments to
      ‘make-network-process’.
 
  -- Function: network-interface-info ifname
      This function returns information about the network interface named
      IFNAME.  The value is a list of the form ‘(ADDR BCAST NETMASK
      HWADDR FLAGS)’.
 
      ADDR
           The Internet protocol address.
      BCAST
           The broadcast address.
      NETMASK
           The network mask.
      HWADDR
           The layer 2 address (Ethernet MAC address, for instance).
      FLAGS
           The current flags of the interface.
 
  -- Function: format-network-address address &optional omit-port
      This function converts the Lisp representation of a network address
      to a string.
 
      A five-element vector ‘[A B C D P]’ represents an IPv4 address
      A.B.C.D and port number P.  ‘format-network-address’ converts that
      to the string ‘"A.B.C.D:P"’.
 
      A nine-element vector ‘[A B C D E F G H P]’ represents an IPv6
      address along with a port number.  ‘format-network-address’
      converts that to the string ‘"[A:B:C:D:E:F:G:H]:P"’.
 
      If the vector does not include the port number, P, or if OMIT-PORT
      is non-‘nil’, the result does not include the ‘:P’ suffix.
 

Info Catalog elisp: Low-Level Network elisp: Processes elisp: Serial Ports