How to start an IC local network

When I compile this part of the code( ic/rs at master · dfinity/ic · GitHub ), how to start a local network

Are you trying to contribute to the IC repo? If you are just trying to run it for development, we recommend use DFX, which bundles a local replica for you and provides additional tooling.

sh -ci "$(curl -fsSL"

Yes, I use dfx for development, but I prefer to know the details of IC work