int x;
Heads=realloc(Heads, TABLESIZE * sizeof(struct HTLink));
S=realloc(S, TABLESIZE * sizeof(HTHash));
for(x=TABLESIZE;x<TABLESIZE*2;x++)
{
    S[x]=(HTNode *)malloc(sizeof(HTNode));
    S[x]->Key=EmptyKey;
    S[x]->Next=NULL;
    Heads[x]=*S[x];
}
TABLESIZE*=2;
return S;