C program to count the number of characters, number of words and number of lines of a text file and display the result.

Write a ‘C’ program to count the number of characters, number of words and number of lines of a text file and display the result.

#include<stdio.h>
#include<conio.h>
void main()
{
FILE *fp;
char ch;
int noc=0,now=0,nol=0;
clrscr();
fp=fopen("a.txt","r");
if(fp==NULL)
{
printf("file does not exist");
exit(0);
}
while(1)
{
ch=fgetc(fp);
if(ch==EOF)
 break;
noc++;
if(ch==' ')
now++;
if(ch=='\n')
nol++;
}
printf("%d\n%d\n%d",noc,now,nol);
fclose(fp);
getch();
}