--- a/serial.h
+++ b/serial.h
@@ -22,6 +22,7 @@
 #define _SERIAL_H
 
 #include <stdint.h>
+
 
 typedef struct serial serial_t;
 
@@ -71,6 +72,7 @@
 
 serial_t*    serial_open (const char *device);
 void         serial_close(serial_t *h);
+void	     serial_dtr_reset(serial_t *h);
 void         serial_flush(const serial_t *h);
 serial_err_t serial_setup(serial_t *h, const serial_baud_t baud, const serial_bits_t bits, const serial_parity_t parity, const serial_stopbit_t stopbit);
 serial_err_t serial_write(const serial_t *h, const void *buffer, unsigned int len);