-/* globals */
-static struct monitor_host ** hosts = NULL;
-static int isVerbose = 0;
-static int keepBanging = 0;
-static unsigned short ident;
-static int send_delay = 1;
+/* Globals */
+ /* Since the program is based around signals, a linked list of hosts is maintained here. */
+ static struct monitor_host ** hosts = NULL;
+ /* Set by command line flags. */
+ static bool verbose = false;
+ static bool retry_down_cmd = false;
+ /* TODO: Get rid of this global. */
+ static int send_delay = 1;