123 		const void __user *from, unsigned long size);
365 #define __copy_from_user(to, from, n)	\  argument
367 				(void __user *)(from), (n))
368 #define __copy_from_user_inatomic(to, from, n) \  argument
369 		__copy_from_user((to), (from), (n))
372 		const void __user *from, unsigned long n)  in copy_from_user()  argument
375 	if (access_ok(VERIFY_READ, from, n))  in copy_from_user()
376 		return __copy_from_user(to, from, n);  in copy_from_user()
380 #define __copy_to_user(to, from, n)	\  argument
382 			(__force const void __user *)(from), (n))
383 #define __copy_to_user_inatomic(to, from, n) __copy_to_user((to), (from), (n))  argument
386 		const void *from, unsigned long n)  in copy_to_user()  argument
390 		return __copy_to_user(to, from, n);  in copy_to_user()
397 extern int __strncpy_user(char *to, const char __user *from, int len);