IN UINTN NumberOfBytes\r
);\r
\r
+/**\r
+ Poll the serial device to see if there is any data waiting.\r
+\r
+ If there is data waiting to be read from the serial port, then return\r
+ TRUE. If there is no data waiting to be read from the serial port, then \r
+ return FALSE.\r
+\r
+ @retval TRUE Data is waiting to be read.\r
+ @retval FALSE There is no data waiting to be read.\r
+\r
+**/\r
+BOOLEAN\r
+EFIAPI\r
+SerialPortPoll (\r
+ VOID\r
+ );\r
\r
#endif\r