XSIMPLEQ_FIRST
if (XSIMPLEQ_FIRST(&kbp->kb_freelist) == NULL) {
freep = XSIMPLEQ_FIRST(&kbp->kb_freelist);
if (freshalloc == 0 && XSIMPLEQ_FIRST(&kbp->kb_freelist)) {
vaddr_t addr = (vaddr_t)XSIMPLEQ_FIRST(&kbp->kb_freelist);
for (pi = XSIMPLEQ_FIRST(&ph->ph_items), n = 0;
pi = XSIMPLEQ_FIRST(&ph->ph_items);
#define XSIMPLEQ_EMPTY(head) (XSIMPLEQ_FIRST(head) == XSIMPLEQ_END(head))
for ((var) = XSIMPLEQ_FIRST(head); \
for ((var) = XSIMPLEQ_FIRST(head); \