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

[detail level 12]

►N_ACCESSCTRL_
CACCESSCTRL_t
►N_ADC14_
CADC14_t
►N_ADC_
CADC_t
►N_AES256_
CAES256_t
►N_BOOTRAM_
CBOOTRAM_t
►N_BUSCTRL_
CBUSCTRL_t
►N_CAPTIO0_
CCAPTIO0_t
►N_CAPTIO1_
CCAPTIO1_t
►N_CLOCKS_
CCLOCKS_t
►N_COMP_E0_
CCOMP_E0_t
►N_COMP_E1_
CCOMP_E1_t
►N_CORESIGHT_TRACE_
CCORESIGHT_TRACE_t
►N_CRC32_
CCRC32_t
►N_CS_
CCS_t
►N_DIO_
CDIO_t
►N_DMA_
CDMA_t
►N_DPORT_
CDPORT_t
►N_DWT_
CDWT_t
►N_EFUSE_
CEFUSE_t
►N_EPPB_
CEPPB_t
►N_EUSCI_A0_
CEUSCI_A0_t
►N_EUSCI_A1_
CEUSCI_A1_t
►N_EUSCI_A2_
CEUSCI_A2_t
►N_EUSCI_A3_
CEUSCI_A3_t
►N_EUSCI_B0_
CEUSCI_B0_t
►N_EUSCI_B1_
CEUSCI_B1_t
►N_EUSCI_B2_
CEUSCI_B2_t
►N_EUSCI_B3_
CEUSCI_B3_t
►N_FLCTL_
CFLCTL_t
►N_FPB_
CFPB_t
►N_FRC_
CType1
CType2
►N_GLITCH_DETECTOR_
CGLITCH_DETECTOR_t
►N_GPIO_
CGPIO_t
CType
►N_HSTX_CTRL_
CHSTX_CTRL_t
►N_HSTX_FIFO_
CHSTX_FIFO_t
►N_I2C0_
CI2C0_t
►N_I2S_
CI2S_t
►N_IO_BANK0_
CIO_BANK0_t
►N_IO_MUX_
CIO_MUX_t
►N_IO_QSPI_
CIO_QSPI_t
►N_IOMUX_
CType
►N_ITM_
CITM_t
►N_OTP_
COTP_t
►N_OTP_DATA_
COTP_DATA_t
►N_OTP_DATA_RAW_
COTP_DATA_RAW_t
►N_PADS_BANK0_
CPADS_BANK0_t
►N_PADS_QSPI_
CPADS_QSPI_t
►N_PCM_
CPCM_t
►N_PIO0_
CPIO0_t
►N_PLL_SYS_
CPLL_SYS_t
►N_PMAP_
CPMAP_t
►N_POWMAN_
CPOWMAN_t
►N_PPB_
CPPB_t
►N_PSM_
CPSM_t
►N_PSS_
CPSS_t
►N_PWM_
CPWM_t
►N_QMI_
CQMI_t
►N_REF_A_
CREF_A_t
►N_RESETS_
CRESETS_t
►N_ROSC_
CROSC_t
►N_RSTCTL_
CRSTCTL_t
►N_RTC_
CRTC_t
►N_RTC_C_
CRTC_C_t
►N_SHA256_
CSHA256_t
►N_SIO_
CSIO_t
►N_SLC_
CSLC_t
►N_SPI0_
CSPI0_t
►N_SPI1_
CSPI1_t
►N_SPI_
CType
►N_SYSCFG_
CSYSCFG_t
►N_SYSCTL_
CSYSCTL_t
►N_SYSINFO_
CSYSINFO_t
►N_SystemControlSpace_
CSystemControlSpace_t
►N_TBMAN_
CTBMAN_t
►N_TICKS_
CTICKS_t
►N_TIMER0_
CTIMER0_t
►N_TIMER32_
CTIMER32_t
►N_TIMER_
CTIMER_t
►N_TIMER_A0_
CTIMER_A0_t
►N_TIMER_A1_
CTIMER_A1_t
►N_TIMER_A2_
CTIMER_A2_t
►N_TIMER_A3_
CTIMER_A3_t
►N_TLV_
CTLV_t
►N_TRNG_
CTRNG_t
►N_UART0_
CUART0_t
►N_UART1_
CUART1_t
►N_USB_
CUSB_t
►N_USB_DPRAM_
CUSB_DPRAM_t
►N_USBCTRL_DPRAM_
CUSBCTRL_DPRAM_t
►N_USBCTRL_REGS_
CUSBCTRL_REGS_t
►N_VREG_AND_CHIP_RESET_
CVREG_AND_CHIP_RESET_t
►N_WATCHDOG_
CWATCHDOG_t
►N_WDT_
CWDT_t
►N_WDT_A_
CWDT_A_t
►N_XIP_AUX_
CXIP_AUX_t
►N_XIP_CTRL_
CXIP_CTRL_t
►N_XIP_SSI_
CXIP_SSI_t
►N_XOSC_
CXOSC_t
►NBME280
CCALIBRATION_DATA
►NDMA
CCH_CTRL_DATA
►NI2C
CIDLE
CREAD_ACK
CREAD_ADDR
CREAD_DATA
CSTATE
CWRITE_ACK
CWRITE_DATA
►NYAHAL
CString
C__iar_u32
Cadc14_msp432
Cadc14_msp432_channel
CADC14_Type
Cadc_channel
Cadc_esp8266
Cadc_interface
Cadc_rp2040
Cadc_rp2040_channel
Cadc_rp2350
Cadc_rp2350_channel
Cadd_bitfield_RO
Cadd_bitfield_RW
Cadd_bitfield_WO
CAES256_Type
CAPSR_Type	Union type to access the Application Program Status Register (APSR)
CARM_MPU_Region_t
CBitFieldMember_RO
CBitFieldMember_RW
CBitFieldMember_WO
Cblock_io_interface
Cbme280_drv
Cboostxl_eduMKII
Cboostxl_eduMKII_base
Cbootrom_rp2040
Ccallee_saved_registers
Ccaller_saved_registers
CCAPTIO_Type
Ccircular_list
CCOMP_E_Type
Ccondition_variable
CCONTROL_Type	Union type to access the Control Registers (CONTROL)
CCoreDebug_Type	Structure type to access the Core Debug Register (CoreDebug)
CCRC32_Type
CCS_Type
Ccy8c95xxa_drv
Cdac8311_rp2040_drv
Cdac8311_rp2350_drv
CDCB_Type	Structure type to access the Debug Control Block Registers (DCB)
CDIB_Type	Structure type to access the Debug Identification Block Registers (DIB)
CDIO_PORT_Even_Interruptable_Type
CDIO_PORT_Interruptable_Type
CDIO_PORT_Not_Interruptable_Type
CDIO_PORT_Odd_Interruptable_Type
CDMA_Channel_Type
CDMA_Control_Type
Cdma_msp432
CDWT_Type	Structure type to access the Data Watchpoint and Trace Register (DWT)
CEMSS_Type
CErrBnk_Type	Structure type to access the Error Banking Registers (ERRBNK)
CEUSCI_A_SPI_Type
CEUSCI_A_Type
CEUSCI_B_SPI_Type
CEUSCI_B_Type
CEWIC_ISA_Type	Structure type to access the External Wakeup Interrupt Controller interrupt status access registers (EWIC_ISA)
CEWIC_Type	Structure type to access the External Wakeup Interrupt Controller Registers (EWIC)
CFIFO
CFL_BOOTOVER_MAILBOX_Type
CFLCTL_Type
CFPU_Type	Structure type to access the Floating Point Unit (FPU)
Cgp2y1010au0f_drv
Cgpio_BBB
Cgpio_BBB_pin
Cgpio_esp8266
Cgpio_exception
Cgpio_interface
Cgpio_msp432
Cgpio_rp2040
Cgpio_rp2350
Ci2c_BBB
Ci2c_interface
Ci2c_msp432
Ci2c_rp2040
Ci2c_rp2350
CICB_Type	Structure type to access the Implementation Control Block (ICB)
Cina219_drv
CIPSR_Type	Union type to access the Interrupt Program Status Register (IPSR)
Cirq_dispatcher
CITM_Type	Structure type to access the Instrumentation Trace Macrocell Register (ITM)
Clcd_interface
Cled_dim_interface
Cled_interface
Cled_rgb_interface
Clock_base_interface
Clock_base_msp432
Clock_base_rp2040
Clock_base_rp2350
Clock_guard
Cmax30102_drv
Cmax98357_rp2040_drv
Cmax98357_rp2350_drv
Cmcp23s17_drv
CMemSysCtl_Type	Structure type to access the Memory System Control Registers (MEMSYSCTL)
►Cmfrc522_drv
CMIFARE_Key
CUid
Cmulticore_rp2040
Cmulticore_rp2350
Cmutex
Cmutex_interface
CNVIC_Type	Structure type to access the Nested Vectored Interrupt Controller (NVIC)
Copt3001_drv
Cpcm_audio_interface
Cpcm_pwm_rp2040_drv
Cpcm_pwm_rp2350_drv
CPCM_Type
Cpcm_value_t
Cpio_program
Cpio_rp2040
Cpio_rp2350
Cpixel_stream
Cpixel_stream_const
Cpixel_stream_rgb565
CPMAP_COMMON_Type
CPMAP_REGISTER_Type
Cposix_io
Cposix_io_interface
CPrcCfgInf_Type	Structure type to access the Processor Configuration Information Registerss (PRCCFGINF)
CPSS_Type
CPwrModCtl_Type	Structure type to access the Power Mode Control Registers (PWRMODCTL)
CREF_A_Type
CRSTCTL_Type
CRTC_C_BCD_Type
CRTC_C_Type
CSCB_Type	Structure type to access the System Control Block (SCB)
CSCnSCB_Type	Structure type to access the System Control and ID Register not in the SCB
Csd_spi_drv
CSEC_ZONE_PARAMS_Type
CSEC_ZONE_UPDATE_Type
Csharp96_drv
Csimple_mutex
CSM
CSM_regs
Csoft_i2c_master
Csoft_i2c_slave
Cspi_BBB
Cspi_interface
Cspi_msp432
Cspi_rp2040
Cspi_rp2350
►Cssd2119_drv
Cconfig
►Cst7735s_drv
Cconfig
CStack_Frame
CSTL_Type	Structure type to access the Software Test Library Observation Registerss (STL)
CSYSCTL_Boot_Type
CSYSCTL_Type
CSysTick_Type	Structure type to access the System Timer (SysTick)
Ctask
Ctask_idle
Ctask_monitor
Ctask_timer
CTimer32_Type
CTimer_A_Type
Ctimer_esp8266
Ctimer_interface
Ctimer_msp432
Ctimer_rp2040
Ctimer_rp2350
CtimerA_msp432
CTLV_Type
CTPI_Type	Structure type to access the Trace Port Interface Register (TPI)
Cuart_BBB
Cuart_ctrl_interface
Cuart_data_interface
Cuart_interface
Cuart_msp432
Cuart_rp2040
Cuart_rp2350
Cuf2_block
CWDT_A_Type
►Cws2812_rp2040
CLED
►Cws2812_rp2350
CLED
CxPSR_Type	Union type to access the Special-Purpose Program Status Registers (xPSR)