269     CharDriverState* endpoint;  /* NULL if closed */  member
285     cbuf->endpoint = NULL;  in charbuffer_close()
287     if (cbuf->endpoint != NULL) {  in charbuffer_close()
288         qemu_chr_close(cbuf->endpoint);  in charbuffer_close()
289         cbuf->endpoint = NULL;  in charbuffer_close()
297     CharDriverState*  peer = cbuf->endpoint;  in charbuffer_write()
348     CharDriverState*  peer = cbuf->endpoint;  in charbuffer_poll()
391     qemu_chr_add_handlers( cbuf->endpoint,  in charbuffer_update_handlers()
400 charbuffer_init( CharBuffer*  cbuf, CharDriverState*  endpoint )  in charbuffer_init()  argument
406     cbuf->endpoint    = endpoint;  in charbuffer_init()
421 qemu_chr_open_buffer( CharDriverState*  endpoint )  in qemu_chr_open_buffer()  argument
426     if (endpoint == NULL)  in qemu_chr_open_buffer()
430         if (cbuf->endpoint == NULL)  in qemu_chr_open_buffer()
437     charbuffer_init(cbuf, endpoint);  in qemu_chr_open_buffer()
466         if (cb->endpoint != NULL)  in charpipe_poll()