void segment_manager_get_segment_info (u32 index, u8 ** name, u32 * size);
int
session_manager_add_first_segment (segment_manager_t * sm, u32 segment_size);
+void segment_manager_first_segment_maybe_del (segment_manager_t * sm);
int session_manager_add_segment (segment_manager_t * sm);
void segment_manager_del (segment_manager_t * sm);
int