ref: 4ccbd5042434734c09f171e47ca0b78682dc2c36
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