54 	struct crypt_op co;  in main()  local
71 	memset(&co, 0, sizeof(co));  in main()
72 	co.ses = cs.ses;  in main()
73 	co.op = COP_ENCRYPT;  in main()
74 	co.len = sizeof(ibuf);  in main()
75 	co.src = ibuf;  in main()
76 	co.dst = obuf;  in main()
77 	co.dst_len = sizeof(obuf);  in main()
78 	res = ioctl(fd, CIOCCRYPT, &co);  in main()
82 	memset(&co, 0, sizeof(co));  in main()
83 	co.ses = cs.ses;  in main()
84 	co.op = COP_DECRYPT;  in main()
85 	co.len = sizeof(obuf);  in main()
86 	co.src = obuf;  in main()
87 	co.dst = ibuf;  in main()
88 	co.dst_len = sizeof(ibuf);  in main()
89 	res = ioctl(fd, CIOCCRYPT, &co);  in main()
93 	if (memcmp((char *)co.dst + 8, plaintx, sizeof(plaintx)))  in main()