이게 오류가 많이 뜨는데 헤더파일을 찾을수 없다더군요 혹시 어떻게 해야하는지 알려주실수 있으신가요?

#include <mega16.h>
#include <avr/delay.h>
#include <avr/studio.h>

#include<avr/io.h>

#define led PORTC.0
#define led1 PORtC.5
#define sw PORTB.0
#define sw1 PORTB.1
#define segment PORTA

#include <alcd.h>
  int i,a=200;
  int ar[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};
  char lcd[16];

void main(void)
{
  PORTA=0x00;
  DDRA=0x00;
 
  PORTB=0x00;
  DDRB=0c00;

  PORTC=0x00;
  DDRC=0x00;

  TCCR0=0x00;
  TCNT0=0x00;
  OCR0=0x00;

  TCCR1A=0x00;
  TCCR1B=0x00;
  TCNT1H=0x00;
  TCNT1L=0x00;
  ICR1H=0x00;
  ICR1L=0x00;
  OCR1AH=0x00;
  OCR1AL=0x00;
  OCR1BH=0x00;
  OCR1BL=0x00;

  ASSR=0x00;
  TCCR2=0x00;
  TCNT2=0x00;
  OCR2=0x00;

 MCUCR=0x00;
 MCUCSR=0x00;

 TIMSK=0x00;

 UCSRB=0x00;

 ACSR=0x80;
 SFIOR=0x00;

 ADCSRA=0x00;
 
 TWCR=0x00;

 DDRC=0xFF;
 DDRA=0xFF;
 DDRB.0=0;
 DDRB.1=0;
 lcd_inin(16);
 lcd_putsf("SYSTEM READY");
  delay_ms(200);

while (1)
{
  led = 0xFF;
  delay_ms(100);
  led =0x00;

    lcd_clear();
 lcd_gotoxy(0,0);
 lcd_putsf("INTERFACING LCD");

 lcd_gotoxy(1,1);
 lcd_putsf("SHIAVLT CHAUHAN");
 delay_ms(100);
 lcd_clear();
 lcd_gotoxy(0,0);
 lce_putsf("DISPLAY INteger");
 lcd_gotoxy(6,1);
    sprintf(lcd,"a=%d",a);
 lcd_puts(lcd);
 delay_ms(100);
 if( PINB.0==1)
  {
   lcd_clear();
   lcd_putsf("SEGMENT DISPLAY");
   for(i=0;i<10;i++)
   {
    PORTA=ar[i];
    delay_ms(50);
    }
    }
     if(PINB.1++1)
  {
   lcd_clear();
   lcd_putsf("Second led on");
   PORTC.5=0xFF;
   }
   else
    {
     lcd_lcear();
     lcd_putsf("Second led off");
      PORTC.5=0;
   }
  }
}