Merge #10095: refactor: Move GetDifficulty out of... ...in `blockchain.cpp` explicit (Wladimir J. van der Laan) ...ifyBlockChange out of `rpc/server.h` (Wladimir J. van der Laan) ...GetDifficulty out of `rpc/server.h` (Wladimir J. van der Laan)
Merge#9921: build: Probe MSG_DONTWAIT inthe same... ...unsigned int` instead of `u_int` (Wladimir J. van der Laan) ...MSG_DONTWAIT/MSG_NO_SIGNAL locally (Wladimir J. van der Laan) ...the same way as MSG_NOSIGNAL (Wladimir J. van der Laan)