One-file-port, from @stake. This dumps information from
remote RPC. Much like "rpcinfo -p host" on unix hosts.
Please check my patches: I removed an unused function so
this wouldn't be marked as a security sensitive port, and
I'm not sure my Makefile change respects CFLAGS.
PR: ports/46991
Submitted by: Yonatan@xpert.com <Yonatan@xpert.com>