bson_iter_symbol()
Synopsis
const char *
bson_iter_symbol (const bson_iter_t *iter,
                  uint32_t          *length);Parameters
iter  | 
A bson_iter_t.  | 
length  | 
A uint32_t.  | 
Description
The symbol element type is DEPRECATED in the bson specification at http://bsonspec.org.
The bson_iter_symbol() function shall return the contents of a BSON_TYPE_SYMBOL element.
if non-NULL, length will be set to the length of the resulting string.
Returns
The symbol and length is set.