whereis : /usr/src/old/whereis/whereis.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/dir.h /usr/include/dirent.h /usr/include/sys/dirent.h \
  /usr/include/stdio.h /usr/include/ctype.h 
