def gz.fstr
import bend-kit-zlib@0.5.1.0/zlib.bend as Zlibimport Base
import bend-kit-bytes@0.3.3.0/bytes.bend as Bytes
593# A zero-terminated FNAME or FCOMMENT.
594def gz.fstr(on: Bool, r: Bytes.Bytes & Maybe<&2, U32>) -> Bytes.Bytes & Maybe<&2, U32>:
595 match on:
596 case False{}:
597 r
598 case True{}:
599 (b, m) = r
600 gz.fstr.at(m, b)