look : /usr/src/usr.bin/look/look.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/sys/mman.h /usr/include/sys/stat.h /usr/include/sys/time.h \
  /usr/include/time.h /usr/include/limits.h /usr/include/machine/limits.h \
  /usr/include/sys/syslimits.h /usr/include/errno.h /usr/include/fcntl.h \
  /usr/include/stdio.h /usr/include/stdlib.h /usr/include/string.h \
  /usr/include/ctype.h /usr/src/usr.bin/look/pathnames.h \
  /usr/include/varargs.h 
