kern/kern_descrip.c:

/* ARGSUSED */
int
sys_fcntl(struct proc *p, void *v, register_t *retval)
{
...
	case F_GETOWN:
...
		error = (*fp->f_ops->fo_ioctl)
			(fp, TIOCGPGRP, (caddr_t)retval, p);

Wait a second.  Isn't TIOCGPGRP expecting pointer to int, not pointer
to register_t?  Won't this break on big-endian LP64?

Or has this been fixed since last May?

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