RngStream jrngstream_to_native(JNIEnv *env, jobject jrngstream);
JNIEXPORT void JNICALL Java_org_simgrid_msg_RngStream_nativeInit(JNIEnv *env, jclass cls);
RngStream jrngstream_to_native(JNIEnv *env, jobject jrngstream);
JNIEXPORT void JNICALL Java_org_simgrid_msg_RngStream_nativeInit(JNIEnv *env, jclass cls);