Function fuword

freebsd/kern/subr_uio.c:486–494

#endif /* _LP64 */

long
fuword(volatile const void *addr)
{
	long val;
	int rv;

	rv = fueword(addr, &val);
	return (rv == -1 ? -1 : val);
}

uint32_t
casuword32(volatile uint32_t *addr, uint32_t old, uint32_t new)