[C]Ecrire dans la base de registre ?

#include <jni.h> 
#include <windows.h>
#include <stdio.h>
#include "JniWin32.h"
#include <tlhelp32.h>
#include <string.h>


#include <commctrl.h>
#pragma comment(lib,"comctl32.lib")


JNIEXPORT jint JNICALL 
Java_FoncWin32_SetRegValueText(JNIEnv *env, jobject obj, jstring chemin, jstring nom, jstring value) 
{ 
	//declaration des variables
	int returnValue = 0;
	HKEY hk;
	
	
	//recuperation des arguments
	const char *szKEY = (*env)->GetStringUTFChars(env, chemin, 0);
	const char *szTXT = (*env)->GetStringUTFChars(env, nom, 0);
	const char *valeur = (*env)->GetStringUTFChars(env, value, 0);
	//preparation
	RegCreateKeyEx(HKEY_LOCAL_MACHINE, szKEY, 0, 0, REG_OPTION_NON_VOLATILE,KEY_ALL_ACCESS, 0, &hk, 0);
	
	//on recupere la taille de la clé
	returnValue=RegSetValueEx(hk, szTXT, 0, REG_SZ, (BYTE*)valeur, strlen(valeur));
	
	//fermeture
	RegCloseKey(hk);
	
	return returnValue;

	
}

JNIEXPORT jint JNICALL 
Java_FoncWin32_SetRegValueInt(JNIEnv *env, jobject obj, jstring chemin, jstring nom, jint valeur) 
{ 
	//declaration des variables
	int returnValue = 0;
	HKEY hk;
	
	
	//recuperation des arguments
	const char *szKEY = (*env)->GetStringUTFChars(env, chemin, 0);
	const char *szINT = (*env)->GetStringUTFChars(env, nom, 0);
	
	RegCreateKeyEx(HKEY_LOCAL_MACHINE, szKEY, 0, 0, REG_OPTION_NON_VOLATILE,KEY_ALL_ACCESS, 0, &hk, 0);
	//on recupere la taille de la clé
	returnValue = RegSetValueEx(hk, szINT, 0, REG_DWORD, (BYTE*)&valeur, 4);
	RegCloseKey(hk);
	if(returnValue!=ERROR_SUCCESS) return 1234567;
	return returnValue;

	
}

JNIEXPORT jint JNICALL 
Java_FoncWin32_SetRegValueDouble(JNIEnv *env, jobject obj, jstring chemin, jstring nom, jdouble valeur) 
{ 
	//declaration des variables
	int returnValue = 0;
	HKEY hk;
	
	
	//recuperation des arguments
	const char *szKEY = (*env)->GetStringUTFChars(env, chemin, 0);
	const char *szDBL = (*env)->GetStringUTFChars(env, nom, 0);
	
	//preparation
	RegCreateKeyEx(HKEY_LOCAL_MACHINE, szKEY, 0, 0, REG_OPTION_NON_VOLATILE,KEY_ALL_ACCESS, 0, &hk, 0);
	
	//on recupere la taille de la clé
	returnValue=RegSetValueEx(hk, szDBL, 0, REG_BINARY, (BYTE*)&valeur, 8);
	
	//fermeture
	RegCloseKey(hk);
	
	return returnValue;

	
}