void GB.HashTable.Get ( GB_HASHTABLE hash , const char * key , long len , void ** data)
Retrieve a data from the hash table.
hash is a pointer to a hash table.
key is the key associated with the data.
len is the length of the key.
data must point at a variable that will receive the data pointer.
This function returns a non-zero value if no data is associated with the specified key.