+#ifndef CON_UTILS_H
+#define CON_UTILS_H
+
+uint_fast8_t tstc(void);
+
+int my_getchar(void);
+
+/* test if ctrl-c was pressed */
+uint_fast8_t ctrlc(void);
+
+
+/* pass 1 to disable ctrlc() checking, 0 to enable.
+ * returns previous state
+ */
+uint_fast8_t disable_ctrlc(uint_fast8_t disable);
+
+uint_fast8_t had_ctrlc (void);
+void clear_ctrlc(void);
+
+#endif /* CON_UTILS_H */
+
+