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Debugging interfaces: p_*, fp_*, and sym_* could conceivably be used to produce debug out, but these functions have not been updated to parse more resource records, so they are not very useful today. Likewise for ns_sprintrr and ns_sprintrrf. ns_format_ttl and ns_parse_ttl are related to these. Internal implementation details: res_isourserver is probably only useful in the implementation of a stub resolver, and so is res_nameinquery. Unclear semantics and bad performance: ns_samedomain, ns_subdomain, ns_makecanon, ns_samename do textual converions & copies instead of checking equivalence of the wire format. inet_neta cannot handle IPv6 addresses. res_hostalias has been superseded by getaddrinfo with AI_CANONNAME. hostalias is not thread-safe. Some functions have int as size arguments instead of size_t, so they do not follow current coding practices. However, dn_expand and b64_ntop are somewhat widely used (to name just two examples), so deprecating them seems problematic. Reviewed-by: Carlos O'Donell <carlos@systemhalted.org> |
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| telnet.h | ||
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