IAR Embedded Workbench for RX 5.20IAR C/C++ DevelopmentThe preprocessorDescription of predefined preprocessor symbols__BIG__BIGIn this section: DescriptionAn integer that reflects the setting of the option --endian. It is defined when the byte order for data is big-endian, otherwise it is undefined. When defined, its value is 1.This symbol is available for compatibility with Renesas CC-RX.