Error **errp)
{
CharDriverState *chr;
- guchar *write_data;
+ const uint8_t *write_data;
int ret;
- gsize write_count;
+ size_t write_count;
chr = qemu_chr_find(device);
if (!chr) {
Error **errp)
{
CharDriverState *chr;
- guchar *read_data;
+ uint8_t *read_data;
size_t count;
char *data;