+
+int bus_message_from_header(
+ void *header,
+ size_t length,
+ int *fds,
+ unsigned n_fds,
+ const struct ucred *ucred,
+ const char *label,
+ size_t extra,
+ sd_bus_message **ret);
+
+int bus_message_from_malloc(
+ void *buffer,
+ size_t length,
+ int *fds,
+ unsigned n_fds,
+ const struct ucred *ucred,
+ const char *label,
+ sd_bus_message **ret);
+
+const char* bus_message_get_arg(sd_bus_message *m, unsigned i);
+
+int bus_message_append_ap(sd_bus_message *m, const char *types, va_list ap);
+
+int bus_message_parse_fields(sd_bus_message *m);
+
+bool bus_header_is_complete(struct bus_header *h, size_t size);
+int bus_header_message_size(struct bus_header *h, size_t *sum);
+
+struct bus_body_part *message_append_part(sd_bus_message *m);
+
+#define MESSAGE_FOREACH_PART(part, i, m) \
+ for ((i) = 0, (part) = &(m)->body; (i) < (m)->n_body_parts; (i)++, (part) = (part)->next)
+
+int bus_body_part_map(struct bus_body_part *part);
+void bus_body_part_unmap(struct bus_body_part *part);