It's in init.cpp. It's a wxWidgets app, so it doesn't have a main() function. It may in a little while, since I'm pretty close to making bitcoind build w/o wxBase. (it'll be in init.cpp) Sorry about my choice of the filename "main.cpp", another possible name would have been "core.cpp". It's much too late to change. I still prefer main.cpp. We're still in great need of sample code showing the recommended way to use the JSON-RPC functions, like for a basic account system on a typical storefront website. Using getreceivedbylabel using the username as the label, changing to a new bitcoin address once the stored one for that account gets used. I posted a sample code fragment on the forum somewhere. (search on getreceivedbylabel or getnewaddress) The sample code could be a plain vanilla bank site where you can deposit and send payments.
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