Extern or forward variable declaration at include/libbb.h, line 1413 References: coreutils/dd.c, line 203 editors/diff.c, line 1238 findutils/find.c, line 432 include/libbb.h, line 1413 libbb/messages.c, line 33 networking/brctl.c, line 56 networking/brctl.c, line 133 networking/brctl.c, line 255 networking/libiproute/iplink.c, line 299 networking/libiproute/iprule.c, line 221 networking/libiproute/iptunnel.c, line 562 networking/libiproute/utils.c, line 193 networking/tc.c, line 457 shell/lash_unused.c, line 274