Here are the data structures with brief descriptions:

sr_data_t	Structure that safely wraps libyang data and prevents unexpected context changes
sr_error_info_err_t	A single, detailed error message. Used in sr_error_info_t
sr_error_info_t	Detailed sysrepo session error information
sr_install_mod_t	Information about a module to be installed
sr_install_mod_t.__unnamed__
sr_module_ds_t	Custom datastore implementation config for each datastore and notifications of a module
sr_val_data_t	Data of an element (if applicable), properly set according to the type
sr_val_t	Structure that contains value of an data element stored in the sysrepo datastore
sr_xpath_ctx_s	State of xpath parsing. User must not modify nor rely on the content of the structure
srplg_ds_s	Datastore plugin structure
srplg_ntf_s	Notification plugin structure
srsn_state_sub_t
srsn_state_sub_t.__unnamed__
srsn_state_sub_t.__unnamed__.sub_notif
srsn_state_sub_t.__unnamed__.yp_on_change
srsn_state_sub_t.__unnamed__.yp_periodic