Pic18F4550 und EEprom 24256

Hi Leute will ein EEprom mit der 24256.c LIB verwenden nur mein problem 
ist das der C18 Compiler von Microchip den Befehl "Byte" nicht kennt.

Ich komm nicht drauf in welcher Standartlib. das declariert ist:

Nur zu info:

//////////////////////////////////////////////////////////////////////// 
///
////   Library for a 24LC256 serial EEPROM 
////
//// 
////
////   init_ext_eeprom();    Call before the other functions are used 
////
//// 
////
////   write_ext_eeprom(a, d);  Write the byte d to the address a 
////
//// 
////
////   d = read_ext_eeprom(a);   Read the byte d from the address a 
////
//// 
////
////   The main program may define eeprom_sda 
////
////   and eeprom_scl to override the defaults below. 
////
//// 
////
//////////////////////////////////////////////////////////////////////// 
///
////        (C) Copyright 1996,2003 Custom Computer Services 
////
//// This source code may only be used by licensed users of the CCS C 
////
//// compiler.  This source code may only be distributed to other 
////
//// licensed users of the CCS C compiler.  No other use, reproduction 
////
//// or distribution is permitted without written permission. 
////
//// Derivative programs created using this software in object code 
////
//// form are not restricted in any way. 
////
//////////////////////////////////////////////////////////////////////// 
///


#ifndef EEPROM_SDA

#define EEPROM_SDA  PIN_B1
#define EEPROM_SCL  PIN_B0

#endif

#use i2c(master, sda=EEPROM_SDA, scl=EEPROM_SCL)

#define EEPROM_ADDRESS long int
#define EEPROM_SIZE   32768

void init_ext_eeprom()
{
   output_float(EEPROM_SCL);
   output_float(EEPROM_SDA);

}


void write_ext_eeprom(long int address, BYTE data) <------- Hier
{
   short int status;
   i2c_start();
   i2c_write(0xa0);
   i2c_write(address>>8);
   i2c_write(address);
   i2c_write(data);
   i2c_stop();
   i2c_start();
   status=i2c_write(0xa0);
   while(status==1)
   {
   i2c_start();
   status=i2c_write(0xa0);
   }
   i2c_stop();
}


BYTE read_ext_eeprom(long int address) {
   BYTE data;
   i2c_start();
   i2c_write(0xa0);
   i2c_write(address>>8);
   i2c_write(address);
   i2c_start();
   i2c_write(0xa1);
   data=i2c_read(0);
   i2c_stop();
   return(data);
}

Kann mir wer da helfen?
lg Gert