static CharDriverState *qemu_chr_open_pipe(ChardevHostdev *opts)

{

    const char *filename = opts->device;

    CharDriverState *chr;

    WinCharState *s;



    chr = g_malloc0(sizeof(CharDriverState));

    s = g_malloc0(sizeof(WinCharState));

    chr->opaque = s;

    chr->chr_write = win_chr_write;

    chr->chr_close = win_chr_close;



    if (win_chr_pipe_init(chr, filename) < 0) {

        g_free(s);

        g_free(chr);

        return NULL;

    }

    return chr;

}
