along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
+#include "macro.h"
+
int bus_gvariant_get_size(const char *signature) _pure_;
int bus_gvariant_get_alignment(const char *signature) _pure_;
int bus_gvariant_is_fixed_size(const char *signature) _pure_;
+
+size_t bus_gvariant_determine_word_size(size_t sz, size_t extra);
+void bus_gvariant_write_word_le(void *p, size_t sz, size_t value);
+size_t bus_gvariant_read_word_le(void *p, size_t sz);