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  1. #include <stdio.h>
  2. #include <stdint.h>
  3.  
  4.  
  5. union myByte{
  6.     uint8_t  BYTE;
  7.     struct {
  8.         unsigned BIT0:1;
  9.         unsigned BIT1:1;
  10.         unsigned BIT2:1;
  11.         unsigned BIT3:1;
  12.         unsigned BIT4:1;
  13.         unsigned BIT5:1;
  14.         unsigned BIT6:1;
  15.         unsigned BIT7:1;
  16.         }BIT;
  17.     };
  18.  
  19. union myAccess {
  20.     uint16_t access16;
  21.     struct {
  22.         uint8_t lo;
  23.         union myByte hi;//here
  24.         } access8;
  25.     };
  26.  
  27. int main()
  28. {
  29.  
  30.    union myAccess U;
  31.    U.access8.lo=0xF1;
  32.    U.access8.hi.BYTE=0x55;
  33.    printf("%x\n",U);
  34.  
  35.  
  36.  
  37.     return 0;
  38.     }
Success #stdin #stdout 0s 2248KB
comments (?)
stdin 
Standard input is empty
stdout 
f1
https://ideone.com/GRXJE7
language:
C (gcc 8.3)
created:
11 years ago
visibility:
public

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