### - b -

- barrier : gcc.h
- bit_mask : bitops.h
- bit_word : bitops.h
- BITS_PER_LONG : types.h
- blk_req_for_each_buffer : device.h
- blk_req_for_each_buffer_safe : device.h
- BLOCK_COPY_BLOCK_SIZE_MISMATCH : copy.h
- BLOCK_COPY_NOMEM : copy.h
- BOARD_DATAFLASH_CS_PIN : dataflash.h
- BOARD_DATAFLASH_SPI_FREQUENCY : dataflash.h
- BOARD_DATAFLASH_SPI_MODE : dataflash.h
- BOARD_DATAFLASH_SPI_PORT : dataflash.h
- BOARD_MCISLOT_A_CD : sdmmc.h
- BOARD_OSC0_HZ : clk.h
- BOARD_OSC0_STARTUP_US : clk.h
- BOARD_OSC0_XTAL : clk.h
- BOARD_OSC1_HZ : clk.h
- BOARD_OSC1_STARTUP_US : clk.h
- BOARD_OSC1_XTAL : clk.h
- BOARD_OSC32_HZ : clk.h
- BOARD_OSC32_STARTUP_US : clk.h
- BOARD_OSC32_XTAL : clk.h
- BSS_IRQ : linkerscript.h
- build_assert : assert.h