ref: 1ae09292d9064df0e82e970bf96ccbed35c74326 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];