#define SERIAL_H
#ifdef USE_WIN32API
+#include <winsock2.h>
#include <windows.h>
#endif
/* Write a printf style string onto the serial port. */
extern void serial_printf (struct serial *desc,
- const char *,...) ATTR_FORMAT (printf, 2, 3);
+ const char *,...) ATTRIBUTE_PRINTF (2, 3);
/* Allow pending output to drain. */