RACK_IS_PCM
add_flag |= RACK_IS_PCM;
if (add_flag & RACK_IS_PCM) {
(add_flag & RACK_IS_PCM) &&
(add_flag & RACK_IS_PCM) &&
if (rsm->r_flags & RACK_IS_PCM) {
((rsm->r_flags & RACK_IS_PCM) == 0) &&
((next->r_flags & RACK_IS_PCM) == 0) &&
((rsm->r_flags & RACK_IS_PCM) == 0) &&
((prev->r_flags & RACK_IS_PCM) == 0) &&
if (rsm->r_flags & RACK_IS_PCM)
if (next->r_flags & RACK_IS_PCM)
if (rsm->r_flags & RACK_IS_PCM)
if (prev->r_flags & RACK_IS_PCM)