ifconf32 341 fs/compat_ioctl.c struct ifconf32 ifc32; ifconf32 349 fs/compat_ioctl.c if (copy_from_user(&ifc32, compat_ptr(arg), sizeof(struct ifconf32))) ifconf32 402 fs/compat_ioctl.c if (copy_to_user(compat_ptr(arg), &ifc32, sizeof(struct ifconf32)))