?? devtbl.h
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/* Device names used as their device number or descriptor: NOTE: These entries should start at zero and increment by 1 for each new device.*/#define TTY0 0 /* UARTA internal to the 405 processor */#define TTY1 1 /* UARTB internal to the 405 processor *//* Defined number of devices in the system: NOTE: This number should match the number of entries in the device table (devices.c).*/#define DEVTOT 2/* Declarations for the driver functions for each device: *//* Device TTY0: */extern int tty0init(unsigned long);extern int tty0ctrl(int, unsigned long, unsigned long);extern int tty0write(char *,int);extern int tty0read(char *,int);extern int tty1init(unsigned long);extern int tty1ctrl(int, unsigned long, unsigned long);extern int tty1write(char *,int);extern int tty1read(char *,int);
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