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struct IString
{
    char*    szBuff;
    // Constructor
    IString()
    {
        szBuff = NULL;
    }
    // Destructor
    virtual ~IString()
    {
        if (szBuff != NULL)
        {
            free((void*)szBuff);
            szBuff = NULL;
        }
    }
    // Functions
    void Set(char* szStr);
    char* Get(void);
    void Append(char* szStr);
    void Lower(void);
    void Upper(void);
    int Compare(char* szStr);
    char* GetToken(char* szDelim, bool firstTime);
    void Left(IString* pDest, int amnt);
    void Right(IString* pDest, int amnt);
    void Mid(IString* pDest, int location, int amnt);
    void Release(void);
};

// Set the string
void IString::Set(char* szStr)
{
    if (szBuff != NULL)
    {
        free((void*)szBuff);
    }
    if (szStr != NULL)
    {
        if (strlen(szStr) > 0)
        {
            szBuff = (char*)malloc(strlen(szStr));
            strcpy(szBuff,szStr);
        }
    }
}
// Get the string
char* IString::Get(void)
{
    return szBuff;
}
// Append to the string
void IString::Append(char* szStr)
{
    int length = strlen(szBuff) + strlen(szStr);
    if (length > 0)
    {
        if (szBuff != NULL)
        {
            char szTemp[512];
            strcpy(szTemp,szBuff);
            free((void*)szBuff);
            szBuff = (char*)malloc(length);
            memset(szBuff,0,length);
            strcpy(szBuff, szTemp);
        }
        else
        {
            szBuff = (char*)malloc(length);
            memset(szBuff,0,length);
        }
        strcat(szBuff,szStr);
    }
}
// Convert the string to lowercase
void IString::Lower(void)
{
    if (szBuff != NULL)
    {
        int length = strlen(szBuff);
        if (length > 0)
        {
            for(int i = 0; i < length; i++)
            {
                szBuff[i] = (char)tolower((int)szBuff[i]);
            }
        }
    }
}
// Convert the string to uppercase
void IString::Upper(void)
{
    if (szBuff != NULL)
    {
        int length = strlen(szBuff);
        if (length > 0)
        {
            for(int i = 0; i < length; i++)
            {
                szBuff[i] = (char)toupper((int)szBuff[i]);
            }
        }
    }
}
// Compare the string to another
int IString::Compare(char* szStr)
{
    if (szStr != NULL)
    {
        return strcmp(szBuff,szStr);
    }
    return -1;
}
// Get the next token occurance
char* IString::GetToken(char* szDelim, bool firstTime)
{
    if (firstTime == true)
    {
        return strtok(szBuff,szDelim);
    }
    return strtok(NULL,szDelim);
}
// Get the left portion of a string
void IString::Left(IString* pDest, int amnt)
{
    int length = strlen(szBuff);
    if (amnt > 0)
    {
        if (length > amnt - 1)
        {
            pDest->Release();
            pDest->szBuff = (char*)malloc(amnt + 1);
            memset(pDest->szBuff, 0, amnt + 1);
            memcpy(pDest->szBuff, szBuff, amnt);
        }
    }
}
// Get the right portion of a string
void IString::Right(IString* pDest, int amnt)
{
    int length = strlen(szBuff);
    if (amnt > 0)
    {
        if (length > amnt - 1)
        {
            pDest->Release();
            pDest->szBuff = (char*)malloc(amnt + 1);
            memset(pDest->szBuff, 0, amnt + 1);
            memcpy(pDest->szBuff, (char*)(((unsigned long int)szBuff)+length-amnt), amnt);
        }
    }
}
// Retrieve a string at a position
void IString::Mid(IString* pDest, int location, int amnt)
{
    int length = strlen(szBuff);
    if (amnt > 0 && location > -1)
    {
        if (length > amnt + location - 1)
        {
            pDest->Release();
            pDest->szBuff = (char*)malloc(amnt + 1);
            memset(pDest->szBuff, 0, amnt + 1);
            memcpy(pDest->szBuff, (char*)(((unsigned long int)szBuff) + location - amnt), amnt);
        }
    }
}
// Release the string
void IString::Release(void)
{
    if (szBuff != NULL)
    {
        free((void*)szBuff);
        szBuff = NULL;
    }
}

#include "DarkGDK.h"

void DarkGDK ( void )
{
	// Enable syncing
	dbSyncOn();
	dbSyncRate(60);
	// Use the string library
	IString StringA, StringB, StringC, StringD;
	StringA.Set("Hello ");
	StringB.Set("World");
	StringC.Set("!");
	StringA.Append(StringB.Get());
	StringA.Append(StringC.Get());
	StringA.Mid(&StringD,8,3);
	StringA.Lower();
	char szBuff[256];
	sprintf(szBuff,"%sn%sn%dn",StringA.Get(),StringD.Get(),StringA.Compare("Hello World!"));
	dbPrint(szBuff);
	dbSync();
}