-extern int interface_jtag_add_reset(int trst, int srst);
-extern int interface_jtag_set_end_state(tap_state_t endstate);
-extern int interface_jtag_add_sleep(uint32_t us);
-extern int interface_jtag_add_clocks(int num_cycles);
-extern int interface_jtag_execute_queue(void);
+int interface_jtag_add_reset(int trst, int srst);
+int interface_jtag_add_sleep(uint32_t us);
+int interface_jtag_add_clocks(int num_cycles);
+int interface_jtag_execute_queue(void);