C++ Program .Write a program to count character,words,lines,tabs from text file.

#include<stdio.h>
#include<conio.h>
void main()
{
  FILE *fp;
  int noc=0,now=0,nol=0,not=0;
  char ch;
  clrscr();
  fp=fopen("a.txt","r");
  if (fp==NULL)
  {
  printf("\n unable to open file");
  }
  while ((ch=fgetc(fp))!=EOF)
  {
  if(ch==EOF)
  break;
  noc++;
  if(ch==' ')
  now++;
  if(ch=='\n')
  nol++;
  if(ch=='\t')
  not++;
  }
  fclose(fp);
  printf("\n The number of chracter are%d",noc);
  printf("\n The number of word are %d",now);
  printf("\n The number of lines are %d",nol);
  printf("\n The number of tabs are %d",not);
   getch();
  }