Here are the classes, structs, unions and interfaces with brief descriptions:

[detail level 1234]

▼Nuhd
►N_log
Clog	Internal logging object (called by UHD_LOG macros)
►Nconvert
Cconverter	A conversion class that implements a conversion from inputs -> outputs
Cid_type	Identify a conversion routine in the registry
►Nmath
►Nfp_compare
Cfp_compare_delta
Cfp_compare_epsilon
►Nmsg
C_msg	Internal message object (called by UHD_MSG macro)
►Ntransport
►Nvrt
Cif_packet_info_t
Cbounded_buffer
Cbounded_buffer_detail
Cbuffer_pool
Cif_addrs_t
Cmanaged_buffer	Simple managed buffer with release interface
Cmanaged_recv_buffer
Cmanaged_send_buffer
Ctcp_zero_copy
Cudp_simple
►Cudp_zero_copy
Cbuff_params
Cusb_control
Cusb_device_handle
Cusb_zero_copy
Czero_copy_if
Czero_copy_xport_params
►Nusrp
Cdboard_base
Cdboard_eeprom_t
Cdboard_id_t
Cdboard_iface
Cdboard_iface_special_props_t	Special properties that differentiate this daughterboard slot
Cdboard_manager
Cmboard_eeprom_t
►Cmulti_usrp
Cregister_info_t
Crx_dboard_base
Csubdev_spec_pair_t
Csubdev_spec_t
Ctx_dboard_base
Cxcvr_dboard_base
►Nusrp_clock
Cmulti_usrp_clock
Coctoclock_eeprom_t
Canalog_filter_base
Canalog_filter_lp
Cassertion_error
Casync_metadata_t
Catomic_uint32_t	A 32-bit integer that can be atomically accessed
Cclock_config_t
Cdevice
Cdevice_addr_t
Cdict
Cdigital_filter_base
Cdigital_filter_fir
Cdirty_tracked
Cenvironment_error
Cexception
Cfilter_info_base
Cfs_path
Cgain_fcns_t
Cgain_group
Cgps_ctrl
Ci2c_iface
►Cimage_loader
Cimage_loader_args_t
Cindex_error
Cio_error
Cio_type_t
Ckey_error
Clookup_error
Cmac_addr_t
Cmeta_range_t
Cmsg_task
Cnot_implemented_error
Cos_error
Cotw_type_t
Cproperty
Cproperty_tree
Crange_t
Cref_vector
Creusable_barrier
Cruntime_error
Crx_metadata_t
Crx_streamer
Csensor_value_t
Csid_t	Represents a stream ID (SID)
Csimple_claimer
Csoft_register_base
Csoft_register_sync_t
Csoft_register_t
Csoft_regmap_accessor_t
Csoft_regmap_db_t
Csoft_regmap_t
Cspi_config_t
Cspi_iface
Cstream_args_t
Cstream_cmd_t
Csystem_error
Ctask
Ctime_spec_t
Ctimed_wb_iface
Ctune_request_t
Ctune_result_t
Ctx_metadata_t
Ctx_streamer
Ctype_error
Cuart_iface
Cusb_error
Cvalue_error
Cwb_iface
C_uhd_static_fixture	Helper for static block, constructor calls function
Cuhd_range_t	Range of floating-point values
Cuhd_stream_args_t	A struct of parameters to construct a stream
Cuhd_stream_cmd_t	Define how device streams to host
Cuhd_subdev_spec_pair_t	Subdevice specification
Cuhd_tune_request_t	Instructs implementation how to tune the RF chain
Cuhd_tune_result_t	Stores RF and DSP tuned frequencies
Cuhd_usrp_register_info_t	Register info
Cuhd_usrp_rx_info_t	USRP RX info
Cuhd_usrp_tx_info_t	USRP TX info