#include <string.h>
+/* Log level constants. */
+#define LOG_ERROR 0
+#define LOG_WARNING 1
+#define LOG_DEBUG 2
+
+
/* Proxy hostname and port if specified on the command line. */
-char *use_proxy_host;
-char *use_proxy_port;
+char *global_proxy_host;
+char *global_proxy_port;
+
+/* Log level, command line option. */
+int global_log_level;
#endif