swapon : /usr/src/sbin/swapon/swapon.c /usr/include/fstab.h \
  /usr/include/sys/cdefs.h /usr/include/errno.h /usr/include/stdio.h \
  /usr/include/sys/types.h /usr/include/machine/endian.h \
  /usr/include/machine/ansi.h /usr/include/machine/types.h 
