nodealloc
x = nodealloc(3);
x = nodealloc(4);
x = nodealloc(1);
x = nodealloc(2);
new_queue(boolean_t block_on_empty, void *(*nodealloc)(size_t),
newqp->nalloc = nodealloc;
extern qu_t *new_queue(boolean_t block_on_empty, void *(*nodealloc)(size_t),
x = nodealloc(4);
x = nodealloc(0); /* No space for narg */
x = nodealloc(1);
x = nodealloc(2);
x = nodealloc(3);