week 4: unfinished program for propose title

This program are build in PICC compiler

#include <16f877A.h>
#include <lcd.c>

#fuses HS,NOLVP,NOWDT,PUT
#use delay(clock=20000000)


#define GREEN_LED PIN_B2
#define YELLOW_LED PIN_B1
#define RED_LED PIN_B0
#define PUSH_BUTTON PIN_A0
#define PUSH_BUTTON2 PIN_A1
#define PUSH_BUTTON3 PIN_A2

void wait_for_one_press()
{  while(!input(PUSH_BUTTON)) ;
    while(input(PUSH_BUTTON)) ; //Wait for one press
}

void light_one_led(int led)
{
   output_high(RED_LED);
   output_high(YELLOW_LED);
   output_high(GREEN_LED);

   switch(led)
   {       
      case 0 : output_low(RED_LED); break;
      case 1 : output_low(YELLOW_LED); break;
      case 2 : output_low(GREEN_LED); break;
   }
}
 
void main()
  {  int count = 0;
      
      {  wait_for_one_press();
         light_one_led(0);
         delay_ms(100);
         light_one_led(1);
         delay_ms(100);
         light_one_led(2);
         delay_ms(100);
      {    

   while(TRUE)
      {     output_c((count/10<<4)+(count%10));
         delay_ms(5);
         wait_for_one_press();
         count++;
         if(count>99)
         count = 0;
       }
  }

 void wait_for_one_press2( )
{    while(!input(PUSH_BUTTON2)) ;
   while(input(PUSH_BUTTON2)) ; //Wait for one press
}

void main2( )
{  int count = 0;
   lcd_init( );
   while(TRUE)
   {     lcd_putc("\fWelcome to my FYP\n");
         printf (lcd_putc,"Count = %U",count);
         delay_ms(250);
         wait_for_one_press2( );
         count++;
         if(count>99)
         count = 0;
   }
}