#include <stdio.h>
int word_count(char mystr1[]);
int main ()
{
    char mystr1[]= "How are you today?";

    printf("This is the string...\n");
    printf("%s\n\n", mystr1);

    printf("Number of words is: %d\n", word_count(mystr1));

    system("PAUSE");
    return 0;
}

int word_count(char mystr1[])
{
    int i=0;
    int counter=0;

    while(mystr1[i]!= '\0')
      {
        if (mystr1[i]==' ')
         {
           if ((mystr1[i+1] >= 'A' && mystr1[i+1] <= 'Z')
               || (mystr1[i+1] >= 'a' && mystr1[i+1] <= 'z'))
                 {
                   counter++;

                 }

         }
         i++;
      }
    if ((mystr1[0] >= 'A' && mystr1[0] <= 'Z')
               || (mystr1[0] >= 'a' && mystr1[0] <= 'z'))
                  counter++;

    return counter;
}