Smell the version string at at (keripy's smell), or null if none starts within
MAXVSOFFSET bytes of it. The window is read one character per byte, so match
offsets are byte offsets even when a CBOR or MGPK header precedes the token.
The returned gvrsn drives v1-vs-v2 counter framing.
Smell the version string at
at(keripy'ssmell), or null if none starts within MAXVSOFFSET bytes of it. The window is read one character per byte, so match offsets are byte offsets even when a CBOR or MGPK header precedes the token. The returnedgvrsndrives v1-vs-v2 counter framing.