mapscan
mapscan(kd, kptr, &entry, &last);
static void mapscan(kvm_t *kd, vm_map_entry_t kptr, vm_map_entry_t ken,
mapscan(kd, kptr, &entry, &last);
static void mapscan(kvm_t *kd, vm_map_entry_t kptr, vm_map_entry_t ken,