from : /usr/src/usr.bin/from/from.c /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/ctype.h /usr/include/pwd.h /usr/include/stdio.h \
  /usr/include/paths.h 
