+#include "system.h"
+#include "ecdsa.h"
+
+extern bool tty;
+extern bool force;
+extern char line[4096];
+extern int fd;
+extern char buffer[4096];
+extern size_t blen;
+extern bool confbasegiven;
+extern char *tinc_conf;
+extern char *hosts_dir;
+
+#define VAR_SERVER 1 /* Should be in tinc.conf */
+#define VAR_HOST 2 /* Can be in host config file */
+#define VAR_MULTIPLE 4 /* Multiple statements allowed */
+#define VAR_OBSOLETE 8 /* Should not be used anymore */
+#define VAR_SAFE 16 /* Variable is safe when accepting invitations */