41 print_iov(const struct iovec *iov)  in print_iov()  argument
44 	unsigned char *buf = iov->iov_base;  in print_iov()
47 	for (i = 0; i < iov->iov_len; ++i)  in print_iov()
49 	printf("\", iov_len=%u}", (unsigned) iov->iov_len);  in print_iov()
53 print_iovec(const struct iovec *iov, unsigned int cnt)  in print_iovec()  argument
60 		print_iov(&iov[i]);  in print_iovec()
70 	TAIL_ALLOC_OBJECT_CONST_PTR(struct iovec, iov);  in main()
71 	iov->iov_base = buf;  in main()
72 	iov->iov_len = LEN;  in main()
78 	if (preadv(0, iov, 1, offset) != LEN)  in main()
81 	print_iovec(iov, 1);  in main()
84 	if (preadv(0, iov, 1, -1) != -1)  in main()
87 	       "-1 EINVAL (%m)\n", iov->iov_base, iov->iov_len);  in main()
93 	if (preadv(0, iov, 0, -3) != -1)  in main()