# include <stdio.h>

//
//  Program 11.15, Stephen Kochan, Programming in C.
//
int main ( void );
int stringLength ( const char *string );

int main ( void )
{
  printf ( "%i  ", stringLength ( "stringLength test" ) );
  printf ( "%i  ", stringLength ( "" ) );
  printf ( "%i\n", stringLength ( "complete" ) );

  return 0;
}

int stringLength ( const char *string )
{
  const char *cptr = string;
  int length;

  while ( *cptr )
  {
    ++cptr;
  }

  length = cptr - string;

  return length;
}