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      1 #ifndef _GPXE_SERIAL_H
      2 #define _GPXE_SERIAL_H
      3 
      4 /** @file
      5  *
      6  * Serial driver functions
      7  *
      8  */
      9 
     10 extern void serial_putc(int ch);
     11 extern int serial_getc(void);
     12 extern void serial_init(void);
     13 
     14 #endif /* _GPXE_SERIAL_H */
     15