| chromo_t | Chromosome structure |
| domain_t | Domain structure |
| ext_t | Extension structure |
| fitnessfunc_t | Structure describing a fitness function |
| miscinfo_t | Structure holding miscellaneous information about the timetable |
| module_t | Information about a module |
| modulehandler_t | Structure describing a restriction handler |
| modulelist_t | Information about loaded modules |
| moduleoption_t | Structure holding a module option |
| outputext_t | Output extension structure |
| population_t | Population structure |
| precalcfunc_t | Structure describing a precalculate function |
| resource_t | Resource structure |
| resourcetype_t | Resource type structure |
| slist_t | Slist structure |
| table_t | Timetable structure |
| tupleinfo_t | This structure holds information about defined tuples (events) |
| tuplelist_t | A list of tuple IDs |
| updaterfunc_t | Structure describing an updater function |
1.5.2