afx[cCd-] src dst
add/remove code/Call/data/string reference
Usage: afx[-cCd?] [src] [dst] manage function references (see also ar?)
afxc sym.main+0x38 sym.printf
add code refafxC sym.main sym.puts
add call refafxd sym.main str.helloworld
add data refafx- sym.main str.helloworld
remove referenceafxj
afxc afxC afxd afx afx- afxj