mongoc_rand_add()
Synopsis
void
mongoc_rand_add(const void *buf,
                int         num,
                double      entropy);Description
Mixes num bytes of data into the mongoc random number generator. Entropy specifies a lower bound estimate of the randomness contained in buf.
Parameters
buf  | 
A buffer.  | 
num  | 
An int of number of bytes in buf.  | 
entropy  | 
A double of randomness estimate in buf.  |