vm_id2vmid
uint32_t vm_id2vmid(uint32_t, struct vmd_vm *);
if (res == 0 && (id = vm_id2vmid(id, NULL)) == 0)
vmr.vmr_id = vm_id2vmid(vm->vm_vmmid, vm);
vir.vir_id = vm_id2vmid(info[i].vir_id, NULL);