bson_writer_new()
Synopsis
bson_writer_t *
bson_writer_new (uint8_t         **buf,
                 size_t           *buflen,
                 size_t            offset,
                 bson_realloc_func realloc_func,
                 void             *realloc_func_ctx);Parameters
buf  | 
A uint8_t.  | 
buflen  | 
A size_t.  | 
offset  | 
A size_t.  | 
realloc_func  | 
A bson_realloc_func.  | 
realloc_func_ctx  | 
A bson_realloc_func.  | 
Description
Creates a new instance of bson_writer_t using the buffer, length, offset, and _realloc()_ function supplied.
The caller is expected to clean up the structure when finished using bson_writer_destroy().
Returns
A newly allocated bson_writer_t.