| APPPAD | Window elements |
| APPWINDOWS | Pointers to curses interface windows |
| CU_FailureRecord | Data type for holding assertion failure information (linked list) |
| CU_RunSummary | Data type for holding statistics and assertion failures for a test run |
| CU_Suite | CUnit suite data type |
| CU_SuiteInfo | Suite parameters |
| CU_Test | CUnit test case data type |
| CU_TestInfo | Test case parameters |
| CU_TestRegistry | CUnit test registry data type |
| TE | |
| test_suite | Deprecated (version 1) |
1.3.9.1