addresses in memory look like 32 bit values but are actually 64 bit

although this is not actually in ebpfcat

the former way used to work on some terminals, but not on all

See merge request teichman/ebpfcat!2

General overhaul

See merge request teichman/ebpfcat!1

fully untested, though

useful for testing stuff

we can do without.

this is not well tested, though

and warn about abuse of if statement