ref: c8ea1cd8d7df5c044cf3ac0f29914721093ec0a9
dir: /sys/src/cmd/btc/mkfile/
</$objtype/mkfile TARG=httpfs sign genkey BIN=/$objtype/bin/btc OFILES=\ json.$O\ HFILES=\ dat.h\ default:V: all $BIN: mkdir $BIN install: $BIN </sys/src/cmd/mkmany $O.httpfs: fs.$O