program to count characters, words and lines in the string

#include<iostream.h>
#include<conio.h>
void main()
{clrscr();
 char a[100];
 int ch=0,w=0,l=0;
 cout<<"enter the string"<<endl;
 cin.get(a,100,'*');
 for(int i=0;a[i]!='\0';i++)
 {if(a[i]=='\n')
 { i++,w++;}
  if(a[i]==' ')
  w++;
  ch++;
  }
  cout<<"number of characters: "<<ch<<endl;
  cout<<"number of words: "<<w+1<<endl;
  cout<<"number of lines: "<<l+1<<endl;
  getch();
  }