bson_t *

       MongoDB, Inc

       2009-present, MongoDB, Inc.

1.30.4                                            Jun 08, 2025                                 BSON_SIZED_NEW(3)

       The  bson_sized_new()  function shall create a new bson_t on the heap with a preallocated buffer. This is
       useful if you have a good idea of the size of the resulting document.

       • size: The size to pre-allocate for the underlying buffer.

       A newly allocated bson_t that should be freed with bson_destroy().

          bson_t *
          bson_sized_new (size_t size);