# include <stdio.h>

//
//  Program 10.2, Stephen Kochan, Programming in C.
//
int main ( void );
int stringLength ( const char string[] );

int main ( void )
{
  const char word1[] = { 'a', 's', 't', 'e', 'r', '\0' };
  const char word2[] = { 'a', 't', '\0' };
  const char word3[] = { 'a', 'w', 'e', '\0' };

  printf ( "%i  %i  %i.\n", stringLength ( word1 ), stringLength ( word2 ), 
    stringLength ( word3 ) );

  return 0;
}

int stringLength ( const char string[] )
{
  int count = 0;

  while ( string[count] != '\0' )
  {
    count = count + 1;
  }
  return count;
}