need KEYPAD headers

HI, every body

I AM WORKING with PIC 18F4620 along with CCS can any body
help me to how to write keypad program. PRESENT i am using KBD.C file
of CCS. can anybody send header file and program.
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This is my coading***********************
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#include "C:\Program Files\PICC\Projects\KEYPAD\keyprt.h"
#include <KBD.C>

unsigned char k;

void main()
{

port_b_pullups(TRUE);
setup_adc_ports(NO_ANALOGS|VSS_VDD);
setup_adc(ADC_OFF|ADC_TAD_MUL_0);
setup_psp(PSP_DISABLED);
setup_spi(SPI_SS_DISABLED);
setup_wdt(WDT_OFF);
setup_timer_0(RTCC_INTERNAL);
setup_timer_1(T1_DISABLED);
setup_timer_2(T2_DISABLED,0,1);
setup_comparator(NC_NC_NC_NC);
setup_vref(FALSE);
kbd_init();
//Setup_Oscillator parameter not selected from Intr Oscillator Config tab

// TODO: USER CODE!!
output_c(0xff);

while (1)
{
k=kbd_getc();

k=k+48;
output_a(k);
delay_ms(100);
//lcd_putc("\f");
}

}