#include typedef union { uint16_t Val; uint8_t v[2]; struct { uint8_t LB; uint8_t HB; } byte; } UINT16_VAL; typedef union { uint32_t Val; uint16_t w[2]; uint8_t v[4]; struct { uint16_t LW; uint16_t HW; } word; struct { uint8_t LB; uint8_t HB; uint8_t UB; uint8_t MB; } byte; struct { UINT16_VAL low; UINT16_VAL high; }wordUnion; } UINT32_VAL; typedef union { uint64_t Val; uint32_t d[2]; uint16_t w[4]; uint8_t v[8]; struct { uint32_t LD; uint32_t HD; } dword; struct { uint16_t LW; uint16_t HW; uint16_t UW; uint16_t MW; } word; } UINT64_VAL;