ARES_GETHOSTBYNAME(3)  FreeBSD Library Functions Manual  ARES_GETHOSTBYNAME(3)

NAME
       ares_gethostbyname_file - Lookup a name in the system's hosts file

SYNOPSIS
       #include <ares.h>

       int ares_gethostbyname_file(ares_channel channel, const char *name,
            int family, struct hostent **host)

DESCRIPTION
       The ares_gethostbyname_file function performs a host lookup by name
       against the system's hosts file (or equivalent local hostname
       database).  The channel parameter is required, but no asynchronous
       queries are performed.  Instead, the lookup is done via the same
       mechanism used to perform 'f' lookups (see the lookups options field in
       _init_options&section=3">ares_init_options(3)).  The parameter name gives the hostname as a NUL-
       terminated C string, and family gives the desired type of address for
       the resulting host entry.

       The return value indicates whether the query succeeded and, if not, how
       it failed.  It may have any of the following values:

       ARES_SUCCESS       The host lookup completed successfully and host now
                          points to the result (and must be freed with
                          _free_hostent&section=3">ares_free_hostent(3)).

       ARES_ENOTFOUND     The hostname name was not found.

       ARES_EFILE         There was a file I/O error while performing the
                          lookup.

       ARES_ENOMEM        Memory was exhausted.

       On successful completion of the query, the pointer pointed to by host
       points to a struct hostent containing the address of the host returned
       by the lookup.  The user must free the memory pointed to by host when
       finished with it by calling _free_hostent&section=3">ares_free_hostent(3).  If the lookup did
       not complete successfully, host will be NULL.

AVAILABILITY
       Added in c-ares 1.5.4

SEE ALSO
       ares_gethostbyname(3), ares_free_hostent(3), ares_init_options(3)

AUTHOR
       Brad Spencer
       Copyright 1998 by the Massachusetts Institute of Technology.

                                 25 July 1998            ARES_GETHOSTBYNAME(3)