requestip, vendorclass, clientid are client-side variables,
they do not make sense as udhcpd opts
dhcptype is the packet type (not interesting, it's always 5)
userclass needs parser support in order to work
function old new delta
dhcp_options 68 66 -2
read_opt 865 859 -6
dhcp_option_strings 253 203 -50
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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