trace : /usr/src/sbin/routed/trace/trace.c /usr/include/sys/param.h \
  /usr/include/sys/types.h /usr/include/machine/endian.h \
  /usr/include/sys/cdefs.h /usr/include/machine/ansi.h \
  /usr/include/machine/types.h /usr/include/sys/syslimits.h \
  /usr/include/sys/signal.h /usr/include/machine/signal.h \
  /usr/include/machine/trap.h /usr/include/machine/param.h \
  /usr/include/machine/psl.h /usr/include/machine/limits.h \
  /usr/include/sys/protosw.h /usr/include/sys/socket.h \
  /usr/include/netinet/in.h /usr/include/protocols/routed.h \
  /usr/include/arpa/inet.h /usr/include/netdb.h /usr/include/stdio.h \
  /usr/include/stdlib.h /usr/include/string.h 
