ref: 640dc91a3579de1f29cec4f3a052b765f917b48c 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