rem: int len;
context: Args2Vec(Ns_DString *dsPtr, char *arg){    int len;    while (*arg != '\0') {        Ns_DStringNAppend(dsPtr, (char *) &arg, sizeof(arg));        arg += strlen(arg) + 1;    }    arg = NULL;    Ns_DStringNAppend(dsPtr, (char *) &arg, sizeof(arg));    return (char **) dsPtr->string;}