Counting number of lines in a file

#include<stdio.h>

#include<conio.h>

#include<process.h>

void main()

{

 FILE *fp;

 char x;

 int count=0;

 clrscr();

 fp=fopen("f:/ds/f1.txt","r");

 if(fp==NULL)

 {

 printf("Error!!!!");

 exit(0);

 }

 x=fgetc(fp);

 while(x!=EOF)

 {

 if(x=='\n')

 {

 ++count;

  }

 x=fgetc(fp);

 }

 printf("no of lines are : %d",count);

 fclose(fp);

 getch();

 }