WITNESS_PARENT
#define WITNESS_ANCESTOR_MASK (WITNESS_PARENT | WITNESS_ANCESTOR)
w_rmatrix[pi][ci] |= WITNESS_PARENT;
return (_isitmyx(parent, child, WITNESS_PARENT, __func__));
if (w_rmatrix[w->w_index][i] & WITNESS_PARENT) {
if (w_rmatrix[w->w_index][i] & WITNESS_PARENT) {
if (w_rmatrix[w->w_index][i] & WITNESS_PARENT)
if (w_rmatrix[w->w_index][i] & WITNESS_PARENT)