Bubble Sort Opt

#define FOR(i,n) for(int i = 0;i < n;++i)

void bubleSortM(int* p,int l)
{
    int temp;
    int k = l-1;
    for(int i = l-1;i>0;--i)
    {
        k=0;
        FOR(q,i)
            if(p[q]<p[q+1])
                {temp = p[q]; p[q] = p[q+1]; p[q+1] = temp;k = q+1;}
        i = k;
    }
}