Here are the data structures with brief descriptions:

Catm_t	Air parcel data
Ccache_t	Cache data structure
Cclim_photo_t	Climatological data in the form of photolysis rates
Cclim_t	Climatological data
Cclim_ts_t	Climatological data in the form of time series
Cclim_zm_t	Climatological data in the form of zonal means
Cctl_t	Control parameters
Cmet_t	Meteo data structure