in tacacs-F4.0.4.28/client_count.c [69:79]
int get_client_count(char* client_ip)
{
int count = 0;
/* now we see if there is a hash entry for this client_ip
* returns 0 if the client does not yet exist */
CLIENT *c = hash_lookup(client_table, client_ip);
if (c)
count = c->con_count;
return count;
}