ppath_idx
ppath_component_t *ppath_idx(unsigned int);
if ((pc = ppath_idx(idx)) == NULL)
if ((pc = ppath_idx(idx)) == NULL)
if ((pc = ppath_idx(0)) == NULL)
if ((pc = ppath_idx(0)) == NULL)
if ((pc = ppath_idx(0)) == NULL)
if ((pc = ppath_idx(i)) == NULL)
if ((idx = ppath_idx(0)) == NULL)
if ((pc = ppath_idx(i)) == NULL)
if ((pc = ppath_idx(i)) == NULL)