int bus_message_read_strv_extend(sd_bus_message *m, char ***l);
int bus_message_from_header(
+ sd_bus *bus,
void *header,
size_t length,
int *fds,
sd_bus_message **ret);
int bus_message_from_malloc(
+ sd_bus *bus,
void *buffer,
size_t length,
int *fds,