Problem getting output for pic18f450 to display in hyperterminal

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#include <p18f4580.h>
#include <usart.h>
#include <delays.h>
 
 
#define RB3_led PORTBbits.RB3  
#define RB2_led PORTBbits.RB2
#define RB0_push_button  PORTBbits.RB0
 
/////Define Function////
void Call_Init_PIC (void);
void Call_Init_USART (void);
 
void main()
{
    TRISBbits.TRISB3=0;
    TRISBbits.TRISB2=0;
    TRISBbits.TRISB0=1;
 
Call_Init_PIC (); // Init the pic18
Call_Init_USART (); // Init USART
 
while (1){  // run forever; infinite loop
RB3_led = 1;
if (RB0_push_button == 0){ // if push button is pressed
while (BusyUSART()); //wait until USART function is free 
putrsUSART("Hello World"); //display "Hello World" on Hyper Terminal
RB2_led = 1; //On the LED
Delay10KTCYx(50); //Delay some time
}
else RB2_led = 0; //Off the LED
}
}
 
void Call_Init_PIC (void)
{
ADCON1 =0x0f;//; all port as digital I/O pins
TRISB = 0b00000001; //set RB0 (push button) as input 
PORTB = 0x00; // Clear port B 
 
}
void Call_Init_USART (){
 
OpenUSART( USART_TX_INT_OFF &
USART_RX_INT_OFF &
USART_ASYNCH_MODE &
USART_EIGHT_BIT &
USART_CONT_RX &
USART_BRGH_HIGH,
25); //Bit per second:9600 / Data bit: 8 / Partiy bit : None / Stop bit : 1 / Flow control : None
 
}