eeprom value display on lcd

#include <16F877a.H> 
#fuses XT,NOWDT,NOPROTECT,BROWNOUT,PUT,NOLVP 
#use delay (clock=4000000) 
#use rs232(baud=9600, xmit=PIN_C6, rcv=PIN_C7, ERRORS) 
#use i2c(MASTER, FAST, SCL=PIN_C3, SDA=PIN_C4, FORCE_HW)


#define EEPROM_SDA  PIN_C4 
#define EEPROM_SCL  PIN_C3 
#include <24256.c> 


#define rs PIN_C0
#define rw PIN_C1
#define en PIN_C2

 void lcdcmd(unsigned char cmd);
 void lcddata(unsigned  char volt);
 
 
  char  line1[]= {"Hello World"}; 


void main() 
{ 
    int8 i,a; 
    char buffer[17]; 
    set_tris_b(0x00);
    lcdcmd(0x38);
    lcdcmd(0x0E);
    lcdcmd(0x01);
    lcdcmd(0x06);
    lcdcmd(0x80);

while(1)

{
// Write "Hello World" to external eeprom chip. 
   for(i = 0; i < sizeof(line1); i++) 
    write_ext_eeprom(i, line1[i]); 
    

// Read characters from the external eeprom chip 
// and write them into a RAM buffer. 
for(i = 0; i < sizeof(line1); i++) 
    buffer[i] = read_ext_eeprom(i); 
   a =buffer[i];    
    //printf("%c",bufferr);
 lcddata(a);
// lcdcmd(0x80);
// Display the message on the LCD. 

}

}
void lcdcmd(unsigned char cmd)
              

{
  output_b(cmd);
  output_low(rs);
  output_low(rw);
  output_high(en);
  delay_ms(1);
  output_low(en);
  
}

void lcddata(unsigned char volt)

{
  output_b(volt);
  output_high(rs);
  output_low(rw);
  output_high(en);
  delay_ms(1);
  output_low(en);
}