#include <iostream.h>
 
int main(void)
{
 
    bool inword = 0;
    unsigned int numwords = 0;
    char *str = "this is a test     string   \t   \n"; // 5 words....
    char letter; // comparison letter
 
    while (letter = *str++)
    {
        if(letter == ' ' || letter == '\t' || letter == '\n') 
        {
            inword = 0;
        }
        else if(inword == 0)
        {
            inword = 1;
            numwords++;
        }
    }
    cout << "Found " << numwords << " words!\n"; // it works!!
    return 0;
}

#include <iostream>
#include <cctype>
using namespace std;

int main()
{

   char letters[] = "abcdefghijklmnopqrstuvwxyz";
   int  freq[sizeof letters - 1] = {0};
   char text[60];
   int  numWords = 0;
   bool inword = false;
   cout<<"Enter a line of text: \n";
   if ( cin.getline ( text, sizeof text ) )
   {
      for ( int i = 0; text[i] != '\0'; i++ )
      {// Converts all letters to lower case.
         if ( isalpha ( text[i] ) )
         {
            ++freq[tolower ( text[i] ) - 'a'];
         }
         // Counts the number of words in the text.
         if ( isspace(text[i]) )
         {
            inword = false;
         }
         else if ( inword == false )
         {
            inword = true;
            numWords++;
         }
      }
      for ( int i = 0; letters[i] != '\0'; i++ )
      {// Counts the frequency of all letters.
         if ( freq[i] != 0 )
            cout<< letters[i] <<": "<< freq[i] <<endl;
      }
   }
   cout<<"The number of words in the text is: "<<numWords<<endl;
   return 0;
}

char text[256] = "1o0oBhP";