#include "misc.h"
-int serial_open(__const char *__file, int __oflag);
-int serial_close(int __fd);
+#ifndef UCLINUX
+extern int serial_open(__const char *__file, int __oflag);
+#endif /* UCLINUX */
+extern int serial_close(int __fd);
-int serial_opendevice(__const char *__file, int __with_odd_parity, int __with_async, int __with_hw_handshake);
+extern int serial_opendevice(__const char *__file, int __with_odd_parity, int __with_async, int __with_hw_handshake);
-void serial_setdtrrts(int __fd, int __dtr, int __rts);
-void serial_changespeed(int __fd, int __speed);
+extern void serial_setdtrrts(int __fd, int __dtr, int __rts);
+extern void serial_changespeed(int __fd, int __speed);
-size_t serial_read(int __fd, __ptr_t __buf, size_t __nbytes);
-size_t serial_write(int __fd, __const __ptr_t __buf, size_t __n);
+extern size_t serial_read(int __fd, __ptr_t __buf, size_t __nbytes);
+extern size_t serial_write(int __fd, __const __ptr_t __buf, size_t __n);
-int serial_select(int fd, struct timeval *timeout);
+extern int serial_select(int fd, struct timeval *timeout);
#endif /* __devices_unixserial_h */