129 } opt;  variable
174     opt.mode                = DFL_MODE;  in main()
175     opt.filename            = DFL_FILENAME;  in main()
176     opt.password            = DFL_PASSWORD;  in main()
177     opt.password_file       = DFL_PASSWORD_FILE;  in main()
188                 opt.mode = MODE_PRIVATE;  in main()
190                 opt.mode = MODE_PUBLIC;  in main()
195             opt.filename = q;  in main()
197             opt.password = q;  in main()
199             opt.password_file = q;  in main()
205     if (opt.mode == MODE_PRIVATE) {  in main()
206         if (strlen(opt.password) && strlen(opt.password_file)) {  in main()
211         if (strlen(opt.password_file)) {  in main()
215             if ((f = fopen(opt.password_file, "rb")) == NULL) {  in main()
233             opt.password = buf;  in main()
250         ret = mbedtls_pk_parse_keyfile(&pk, opt.filename, opt.password,  in main()
297     } else if (opt.mode == MODE_PUBLIC) {  in main()
304         ret = mbedtls_pk_parse_public_keyfile(&pk, opt.filename);  in main()