anchor.diff:      [t_gethostbyaddr, t_gethostbyname, t_getaddr,
        t_gethostbyaddr_v6, t_gethostbyname_v6, t_getaddr_v6,
        ipv4_to_ipv6, host_and_addr, {group, parse},
  -     t_gethostnative, gethostnative_parallell, cname_loop, missing_hosts_reload,
  +     t_gethostnative, gethostnative_parallell, cname_loop,
  +     missing_hosts_reload, hosts_file_quirks,
        gethostnative_debug_level, gethostnative_soft_restart,
        lookup_bad_search_option,
        getif, getif_ifr_name_overflow, getservbyname_overflow,
  
positive.code: %%
  %% %CopyrightBegin%
  %%
  %% Copyright Ericsson AB 1997-2018. All Rights Reserved.
  %%
  %% Licensed under the Apache License, Version 2.0 (the "License");
  %% you may not use this file except in compliance with the License.
  
negative.code: 	 ipv4_to_ipv6/0, ipv4_to_ipv6/1,
  	 host_and_addr/0, host_and_addr/1,
  	 t_gethostnative/1, 
  	 gethostnative_parallell/1, cname_loop/1,
           missing_hosts_reload/1, hosts_file_quirks/1,
           gethostnative_soft_restart/0, gethostnative_soft_restart/1,
  	 gethostnative_debug_level/0, gethostnative_debug_level/1,
  	 lookup_bad_search_option/1,
  