Something

#include <stdio.h>

/* Print histogram of number of chars for each word virtically...*/

int main (void)
{
     int c, i = 0, numbchars =0;
     int oldword [256] = {0} ; /* Only 256 lettres max so probably easy to break...*/

     /* Set all 256 indexes of the array "oldword" to 0*/

     while ((c = getchar ()) !=EOF)
          {
               if ( c == ' ' || c == '\n' || c == '\t')
                    {
                         for ( i =0; i <= numbchars; i++)
                              putchar (oldword [i]);
               printf ("%d\n", numbchars);
                    }
                    else
                    {
                         ++numbchars;
                         oldword [i] =c;
               }
          }
          return 0;
}