| Calgorithm_version | Variables that describe the library version |
| CESComInterface_t | |
| CHiComInterface_t | |
| CHSxxxx_Results_t | Data structure holding humidity/temperature results |
| CHSxxxx_t | Data structure holding information required for HSxxxx API operation |
| CInterface_t | A structure of pointers to hardware specific functions |
| Cno2_o3_handle_t | Variables that describe the sensor or the algorithm state |
| Cno2_o3_inputs_t | Variables that are needed for algorithm |
| Cno2_o3_results_t | Variables that receive the algorithm outputs |
| Czmod4xxx_conf | Structure to hold the gas sensor module configuration |
| Czmod4xxx_conf_str | A single data set for the configuration |
| Czmod4xxx_dev_t | Device structure ZMOD4xxx |