To perform string operations without string library (Length)
   #include
   #include
   void main()
	{
	clrscr();
	char s1[100];
	cout<<"Enter the string:";
	cin.getline(s1,25);
	int count=0;
	for(int i=0;s1[i]!='\0';i++)
		{
		if(s1[i]!=' ')
		count=count+1;
		}
	cout<<"The number of characters in the string are:"<
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