int qemu_opts_set(QemuOptsList *list, const char *id,
const char *name, const char *value);
const char *qemu_opts_id(QemuOpts *opts);
void qemu_opts_del(QemuOpts *opts);
int qemu_opts_set(QemuOptsList *list, const char *id,
const char *name, const char *value);
const char *qemu_opts_id(QemuOpts *opts);
void qemu_opts_del(QemuOpts *opts);