


     ggggeeeetttthhhhoooosssstttteeeennnntttt((((3333NNNN))))					ggggeeeetttthhhhoooosssstttteeeennnntttt((((3333NNNN))))



     NNNNAAAAMMMMEEEE
	  gethostent, gethostbyaddr, gethostbyname, sethostent,
	  endhostent - get network host	entry

     SSSSYYYYNNNNOOOOPPPPSSSSIIIISSSS
	  ####iiiinnnncccclllluuuuddddeeee <<<<nnnneeeettttddddbbbb....hhhh>>>>

	  ssssttttrrrruuuucccctttt hhhhoooosssstttteeeennnntttt ****ggggeeeetttthhhhoooosssstttteeeennnntttt(((())))

	  ssssttttrrrruuuucccctttt hhhhoooosssstttteeeennnntttt ****ggggeeeetttthhhhoooossssttttbbbbyyyynnnnaaaammmmeeee((((_n_a_m_e))))
	  cccchhhhaaaarrrr ****_n_a_m_e;;;;

	  ssssttttrrrruuuucccctttt hhhhoooosssstttteeeennnntttt ****ggggeeeetttthhhhoooossssttttbbbbyyyyaaaaddddddddrrrr((((_a_d_d_r,,,, _l_e_n,,,, _t_y_p_e))))
	  cccchhhhaaaarrrr ****_a_d_d_r;;;; _i_n_t _l_e_n,,,, _t_y_p_e;;;;

	  sssseeeetttthhhhoooosssstttteeeennnntttt((((_s_t_a_y_o_p_e_n))))
	  _i_n_t _s_t_a_y_o_p_e_n

	  eeeennnnddddhhhhoooosssstttteeeennnntttt(((())))

	  cccccccc ............ ----llllnnnneeeetttt

     DDDDEEEESSSSCCCCRRRRIIIIPPPPTTTTIIIIOOOONNNN
	  ggggeeeetttthhhhoooosssstttteeeennnntttt, ggggeeeetttthhhhoooossssttttbbbbyyyynnnnaaaammmmeeee, and ggggeeeetttthhhhoooossssttttbbbbyyyyaaaaddddddddrrrr each return a
	  pointer to an	object with the	following structure containing
	  the broken-out fields	of a line in the network host data
	  base,	////eeeettttcccc////hhhhoooossssttttssss.

	  struct    hostent {
	     char  *h_name;	  /*official name of host*/
	     char  **h_aliases;	  /*alias list*/
	     int   h_addrtype;	  /*address type*/
	     int   h_length;	  /*length of address*/
	     char  *h_addr;	  /*address*/
	  };

	  The members of this structure	are:

	  hhhh____nnnnaaaammmmeeee       Official	name of	the host.

	  hhhh____aaaalllliiiiaaaasssseeeessss    A zero terminated array of alternate names for
		       the host.

	  hhhh____aaaaddddddddrrrrttttyyyyppppeeee   The type	of address being returned; currently
		       always AAAAFFFF____IIIINNNNEEEETTTT.

	  hhhh____lllleeeennnnggggtttthhhh     The length, in bytes, of	the address.

	  hhhh____aaaaddddddddrrrr       A pointer to the	network	address	for the	host.
		       Host addresses are returned in network byte
		       order.




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     ggggeeeetttthhhhoooosssstttteeeennnntttt((((3333NNNN))))					ggggeeeetttthhhhoooosssstttteeeennnntttt((((3333NNNN))))



	  ggggeeeetttthhhhoooosssstttteeeennnntttt reads the next line of the	file, opening the file
	  if necessary.

	  sssseeeetttthhhhoooosssstttteeeennnntttt opens and rewinds the file.  If the _s_t_a_y_o_p_e_n flag
	  is non-zero, the host	data base will not be closed after
	  each call to ggggeeeetttthhhhoooosssstttteeeennnntttt (either directly, or indirectly
	  through one of the other ``gethost'' calls).

	  eeeennnnddddhhhhoooosssstttteeeennnntttt closes the	file.

	  ggggeeeetttthhhhoooossssttttbbbbyyyynnnnaaaammmmeeee	and ggggeeeetttthhhhoooossssttttbbbbyyyyaaaaddddddddrrrr sequentially search from the
	  beginning of the file	until a	matching host name or host
	  address is found, or until EOF is encountered.  Host
	  addresses are	supplied in network order.

     FFFFIIIILLLLEEEESSSS
	  ////eeeettttcccc////hhhhoooossssttttssss

     LLLLIIIINNNNKKKKIIIINNNNGGGG
	  This library is accessed by specifying ----llllnnnneeeetttt as the last
	  argument to the compile line,	e.g.:

	    cccccccc ----oooo pppprrrroooogggg pppprrrroooogggg....cccc ----llllnnnneeeetttt

     SSSSEEEEEEEE AAAALLLLSSSSOOOO
	  hosts(4N)

     DDDDIIIIAAAAGGGGNNNNOOOOSSSSTTTTIIIICCCCSSSS
	  Null pointer (0) returned on EOF or error.

     BBBBUUUUGGGGSSSS
	  All information is contained in a static area	so it must be
	  copied if it is to be	saved.	Only the Internet address
	  format is currently understood.





















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