int redisAppendCommand(redisContext *c, const char *format, ...) {
    va_list ap;
    int ret;

    va_start(ap,format);
    ret = redisvAppendCommand(c,format,ap);
    va_end(ap);
    return ret;
}
int redisAppendCommand(redisContext *c, const char *format, ...) {
    va_list ap;
    int ret;

    va_start(ap,format);
    ret = redisvAppendCommand(c,format,ap);
    va_end(ap);
    return ret;
}