74 	int reg_in = open(fname, O_RDWR | O_CREAT | O_TRUNC, 0600);  in main()  local
75 	if (reg_in < 0)  in main()
79 	if (ftruncate(reg_in, file_size))  in main()
89 	assert(syscall(__NR_sendfile64, sv[1], reg_in, NULL, alen)  in main()
92 	       sv[1], reg_in, alen, alen);  in main()
94 	assert(syscall(__NR_sendfile64, sv[1], reg_in, p_off, alen)  in main()
97 	       sv[1], reg_in, alen, alen, alen);  in main()
99 	assert(syscall(__NR_sendfile64, sv[1], reg_in, p_off, file_size + 1)  in main()
102 	       sv[1], reg_in, alen, file_size, file_size + 1, blen);  in main()
105 	assert(syscall(__NR_sendfile64, sv[1], reg_in, p_off, 1) == -1);  in main()
107 		" = -1 EINVAL (%m)\n", sv[1], reg_in);  in main()
110 	assert(syscall(__NR_sendfile64, sv[1], reg_in, p_off, 1) == 0);  in main()
111 	printf("sendfile64(%d, %d, [4207869677], 1) = 0\n", sv[1], reg_in);  in main()