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GETNETENT(3)               Linux Programmer's Manual              GETNETENT(3)

       getnetent,  getnetbyname, getnetbyaddr, setnetent, endnetent - get net-
       work entry

       #include <netdb.h>

       struct netent *getnetent(void);

       struct netent *getnetbyname(const char *name);

       struct netent *getnetbyaddr(uint32_t net, int type);

       void setnetent(int stayopen);

       void endnetent(void);

       The getnetent() function reads the next entry from the  networks  data-
       base  and  returns  a netent structure containing the broken-out fields
       from the entry.  A connection is opened to the database if necessary.

       The getnetbyname() function returns a netent structure  for  the  entry
       from the database that matches the network name.

       The  getnetbyaddr()  function  returns a netent structure for the entry
       from the database that matches the network number  net  of  type  type.
       The net argument must be in host byte order.

       The  setnetent()  function opens a connection to the database, and sets
       the next entry to the first entry.  If stayopen is  nonzero,  then  the
       connection  to  the database will not be closed between calls to one of
       the getnet*() functions.

       The endnetent() function closes the connection to the database.

       The netent structure is defined in <netdb.h> as follows:

           struct netent {
               char      *n_name;     /* official network name */
               char     **n_aliases;  /* alias list */
               int        n_addrtype; /* net address type */
               uint32_t   n_net;      /* network number */

       The members of the netent structure are:

       n_name The official name of the network.

              A NULL-terminated list of alternative names for the network.

              The type of the network number; always AF_INET.

       n_net  The network number in host byte order.

       The getnetent(), getnetbyname() and getnetbyaddr() functions  return  a
       pointer  to  a statically allocated netent structure, or a null pointer
       if an error occurs or the end of the file is reached.

              networks database file

       4.3BSD, POSIX.1-2001.

       In glibc versions before 2.2, the net argument of getnetbyaddr() was of
       type long.

       getnetent_r(3), getprotoent(3), getservent(3)
       RFC 1101

       This  page  is  part of release 3.74 of the Linux man-pages project.  A
       description of the project, information about reporting bugs,  and  the
       latest     version     of     this    page,    can    be    found    at

GNU                               2008-08-19                      GETNETENT(3)

Czas wygenerowania: 0.00013 sek.

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