CharDriverState *qemu_chr_open_opts(QemuOpts *opts,
void (*init)(struct CharDriverState *s));
CharDriverState *qemu_chr_open(const char *label, const char *filename, void (*init)(struct CharDriverState *s));
CharDriverState *qemu_chr_open_opts(QemuOpts *opts,
void (*init)(struct CharDriverState *s));
CharDriverState *qemu_chr_open(const char *label, const char *filename, void (*init)(struct CharDriverState *s));