const char *iName = (const char *) env->GetStringUTFChars(interfaceName, 0);
const char *iName = (const char *) ::util_GetStringUTFChars(env, interfaceName);
Java_org_mozilla_webclient_wrapper_1native_WrapperFactoryImpl_nativeDoesImplement(JNIEnv *env, jobject obj, jstring interfaceName){    const char *iName = (const char *) env->GetStringUTFChars(interfaceName,                                                               0);    jboolean result = JNI_FALSE;        int i = 0;    if (nsnull == iName) {        return result;    }    while (nsnull != gImplementedInterfaces[i]) {        if (0 == nsCRT::strcmp(gImplementedInterfaces[i++], iName)) {            result = JNI_TRUE;            break;        }    }    env->ReleaseStringUTFChars(interfaceName, iName);        return result;}