In check_rpc, where the options are assigned in
Getoptions, I found:
"u|udp" => \$opt_t,
"t|tcp" => \$opt_u,
but
"u|udp" => \$opt_u,
"t|tcp" => \$opt_t,
would make *somewhat* more sense :-)
Greetinx,
/Bytewurm