ref: 531a57fd800165e78cbf7b917e0d2b2ec5a5108a dir: /sys/src/cmd/cb/mkfile/
</$objtype/mkfile TARG=cb OFILES=\ cb.$O\ cbtype.$O\ HFILES=cb.h\ cbtype.h\ BIN=/$objtype/bin < /sys/src/cmd/mkone