Class hc_memory_stream

dsl/benchmarks.c:20–20

  hc_dsl_init(&dsl, &hc_malloc_default);
  hc_defer(hc_dsl_deinit(&dsl));
  struct hc_memory_stream out;
  hc_memory_stream_init(&out, &hc_malloc_default);
  hc_defer(hc_stream_deinit(&out.stream));
  dsl.out = &out.stream;