The classic TCP/IP protocol stack, very suitable to open developer from the perspective of code to understand the principle of the tcp/ip

TRTLL-lwIP-00h\RTL-lwIP-0.6\RTL-lwIP-0.6\ares-1.1.1-lwip\ares.h
..............\............\............\...............\ares_compat.c
..............\............\............\...............\ares_destroy.c
..............\............\............\...............\ares_dns.h
..............\............\............\...............\ares_expand_name.c
..............\............\............\...............\ares_fds.c
..............\............\............\...............\ares_free_errmem.c
..............\............\............\...............\ares_free_hostent.c
..............\............\............\...............\ares_free_string.c
..............\............\............\...............\ares_gethostbyaddr.c
..............\............\............\...............\ares_gethostbyname.c
..............\............\............\...............\ares_init.c
..............\............\............\...............\ares_mkquery.c
..............\............\............\...............\ares_parse_a_reply.c
..............\............\............\...............\ares_parse_ptr_reply.c
..............\............\............\...............\ares_private.h
..............\............\............\...............\ares_process.c
..............\............\............\...............\ares_query.c
..............\............\............\...............\ares_search.c
..............\............\............\...............\ares_send.c
..............\............\............\...............\ares_strerror.c
..............\............\............\...............\ares_timeout.c
..............\............\............\...............\ares__close_sockets.c
..............\............\............\...............\..pa\nameser.h
..............\............\............\...............\....\nameser_compat.h
..............\............\............\...............\netdb.c
..............\............\............\...............\netdb.h
..............\............\............\BSD.license
..............\............\............\CHANGELOG
..............\............\............\CONTRIBUTORS
..............\............\............\dirdep.awk
..............\............\............\Documentation\ares\man.pdf
..............\............\............\.............\....\..._txt\ares_destroy.txt
..............\............\............\.............\....\.......\ares_expand_name.txt
..............\............\............\.............\....\.......\ares_fds.txt
..............\............\............\.............\....\.......\ares_free_errmem.txt
..............\............\............\.............\....\.......\ares_free_hostent.txt
..............\............\............\.............\....\.......\ares_free_string.txt
..............\............\............\.............\....\.......\ares_gethostbyaddr.txt
..............\............\............\.............\....\.......\ares_gethostbyname.txt
..............\............\............\.............\....\.......\ares_init.txt
..............\............\............\.............\....\.......\ares_init_options.txt
..............\............\............\.............\....\.......\ares_mkquery.txt
..............\............\............\.............\....\.......\ares_parse_a_reply.txt
..............\............\............\.............\....\.......\ares_parse_ptr_reply.txt
..............\............\............\.............\....\.......\ares_process.txt
..............\............\............\.............\....\.......\ares_query.txt
..............\............\............\.............\....\.......\ares_search.txt
..............\............\............\.............\....\.......\ares_send.txt
..............\............\............\.............\....\.......\ares_strerror.txt
..............\............\............\.............\....\.......\ares_timeout.txt
..............\............\............\.............\OSEL-2-1.pdf
..............\............\............\.............\rawapi.txt
..............\............\............\.............\README
.........

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