# include <stdio.h>
# include <stdbool.h>
//
//  Program 10.4, Stephen Kochan, Programming in C.
//
int main ( void );
bool equalStrings ( const char s1[], const char s2[] );

int main ( void )
{
  const char stra[] = "string compare test";
  const char strb[] = "string";

  printf ( "%i\n", equalStrings ( stra, strb ) );
  printf ( "%i\n", equalStrings ( stra, stra ) );
  printf ( "%i\n", equalStrings ( strb, "string" ) );

  return 0;
}

bool equalStrings ( const char s1[], const char s2[] )
{
  int i = 0;
  bool areEqual;

  while ( s1[i] == s2[i] && s1[i] != '\0' && s2[i] != '\0' )
  {
    i = i + 1;
  }

  if ( s1[i] == '\0' && s2[i] == '\0' )
  {
    areEqual = true;
  }
  else
  {
    areEqual = false;
  }

  return areEqual;
}