Blit_consume_and_fill
copies between iobufs and advances both src
and dst
.
val blit : src:([> Core__.Import.read ], seek) t ‑> dst:([> Core__.Import.write ], seek) t ‑> len:int ‑> unit
val blito : src:([> Core__.Import.read ], seek) t ‑> ?src_len:int ‑> dst:([> Core__.Import.write ], seek) t ‑> unit ‑> unit
val unsafe_blit : src:([> Core__.Import.read ], seek) t ‑> dst:([> Core__.Import.write ], seek) t ‑> len:int ‑> unit