45    const unsigned long vlen, const unsigned long pos)  in pr()  argument
47 	return syscall(__NR_preadv2, fd, vec, vlen, pos, 0L, 0L);  in pr()
52    const unsigned long vlen, const unsigned long pos)  in pw()  argument
54 	return syscall(__NR_pwritev2, fd, vec, vlen, pos, 0L, 0L);  in pw()
185 	const kernel_ulong_t vlen = (kernel_ulong_t) 0xfac1fed2dad3bef4ULL;  in main()  local
198 	rc = syscall(__NR_preadv2, -1, NULL, vlen, pos_l, 1);  in main()
204 	rc = syscall(__NR_preadv2, -1, NULL, vlen, pos_l, pos_h, 1);  in main()
210 		(unsigned long) vlen, pos, sprintrc(rc));  in main()
217 	rc = syscall(__NR_pwritev2, -1, NULL, vlen, pos_l, 1);  in main()
219 	rc = syscall(__NR_pwritev2, -1, NULL, vlen, pos_l, pos_h, 1);  in main()
224 		(unsigned long) vlen, pos, sprintrc(rc));  in main()