vm_openf
return (vm_openf(name, 0));
struct vmctx *vm_openf(const char *name, int flags);
ctx = vm_openf(vmname, romboot ? VMMAPI_OPEN_REINIT : 0);
ctx = vm_openf(vmname, flags);
ctx = vm_openf(vmname, create ? VMMAPI_OPEN_CREATE : 0);