F_FORW
if (f->f_type == F_FORW) {
if (f->f_type != F_FORW &&
if (f->f_prevcount > 0 && f->f_type != F_FORW) {
if (f->f_type == F_FORW)
if (f->f_orig_type == F_FORW) {
case F_FORW:
case F_FORW:
case F_FORW:
f->f_type = F_FORW;
if (f->f_orig_type == F_FORW)