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If i declare an enum as follows:
typedef enum A { a = 0x00000001, b = 0x00000002 } AObj; Now if i declare a variable of AObj as follows what does this mean?
AObj myAObj : 2;
It is a way of specifying the number of bits used. That is 2 means 2 bits.
Also note that this is only useful when used with other bit fields in the same struct as alignment and padding will cause the memory to be skipped.