bson_as_json()
Synopsis
char *
bson_as_json (const bson_t *bson,
              size_t       *length);Parameters
bson  | 
A bson_t.  | 
length  | 
An optional location for the length of the resulting string.  | 
Description
The bson_as_json() function shall encode bson as a JSON encoded UTF-8 string.
The caller is responsible for freeing the resulting UTF-8 encoded string by calling bson_free() with the result.
If non-NULL, length will be set to the length of the result in bytes.
Returns
If successful, a newly allocated UTF-8 encoded string and length is set.
Upon failure, NULL is returned.
Example
bson_as_json
char *str = bson_as_json (doc, NULL);
printf ("%s\n", str);
bson_free (str);