位域的简单使用

  1 #include
  2 
  3 struct bit {
  4 unsigned char bit1:1;
  5 unsigned char bit2:1;
  6 unsigned char bit3:1;
  7 unsigned char bit4:1;
  8 
  9 unsigned char bit5:1, bit6:1, bit7:1, bit8:1;
 10 
 11 unsigned char bit9:1;
 12 } BIT;
 13 
 14 int main()
 15 {
 16 //  int b:2; 
 19 
 20 //  return 0;
 21     
 22     printf("sizeof(struct bit) = %d\n", sizeof(struct bit));
 23     BIT.bit1 = 1;
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