I am using MSVC++ 6.0 trial version and I am trying to better my skills at C++ by making a little text-based RPG. Right now, I am working on the battle engine, and I am strings to hold the player’s and the monsters’ names. I am having a lot of errors come up saying that the string data type is undefined, even though I have included the STRING.H file. This is the code from the file that these errors are arising:

#include "iostream.h"
#include "string.h"

//DATA TYPES
struct character
{
  string name;
  short  maxhp;
  short  maxmp;
  short  atk;
  short	 amr;
  short  agi;
  short  str;
  short  def;
};


//CHARACTERS
character you =
{
  youname,
  100,
  0,
  4,
  0,
  80,
  5,
  0
};

//MONSTERS
character gnome =
{
  GNOME,
	100,
	0,
	3,
	0,
	75,
	5,
	0
};
 

And here are some of the errors I am getting: error C2146: syntax error : missing ';' before identifier 'name' error C2501: 'string' : missing storage-class or type specifiers error C2501: 'name' : missing storage-class or type specifiers error C2065: 'youname' : undeclared identifier error C2078: too many initializers error C2065: 'GNOME' : undeclared identifier error C2078: too many initializers error C2011: 'character' : 'struct' type redefinition error C2374: 'you' : redefinition; multiple initialization see declaration of 'you' error C2078: too many initializers error C2374: 'gnome' : redefinition; multiple initialization see declaration of 'gnome' error C2078: too many initializers Edited by - Squeejee on October 11, 2001 10:23:16 PM

Your problem is that string.h does not define a type named "string". String.h is a header file from the old days of plain of C. Back then you would use a character array (i.e. char name[50]) to hold strings. You would then have to use strcpy() (which is defined in string.h) to copy things into your character array (i.e. strcpy(name, "GNOME")) You can't use the assignment operator (=) on a character array (so you can't do name="GNOME"; )

Now, if you're talking C++, then you have a nice STL (STL is a standard set of libraries for C++) type, named "string". To use it you need to #include the header file "string" (NOT "string.h"). With the string type, things like assignment (i.e. name="GNOME"; ) IS allowed.

Hope this helps.


EDIT: Formatting wasn't proper...

Edited by - Worf on October 11, 2001 10:31:11 PM

You need:

      #include <string>using namespace std;      

To get this to work... Gotta have both.

Edited by - DoomX on October 12, 2001 2:38:42 AM

Okay, thanks guys, that worked. But now I have another error that pops up. It says "error C2552: 'you' : non-aggregates cannot be initialized with initializer list".

    #include <iostream>#include <string>using namespace std;//DATA TYPESstruct character{  string name;  short  maxhp;  short  maxmp;  short  atk;  short	 amr;  short  agi;  short  str;  short  def;};//CHARACTERScharacter you ={ <------------------------------------ ERROR  youname,  100,  0,  4,  0,  80,  5,  0};//MONSTERScharacter gnome ={  GNOME,	100,	0,	3,	0,	75,	5,	0};    

Edited by - Squeejee on October 12, 2001 3:42:59 PM