ref: 8a6e8d239bf6c3e1e31cc210f1f3c637ea12b22f dir: /sys/src/cmd/dossrv/dosfs.h/
enum { Maxfdata = IOUNIT, Maxiosize = IOHDRSZ+Maxfdata, }; extern Fcall *req; extern Fcall *rep; extern char repdata[Maxfdata]; extern uchar statbuf[STATMAX];