What are bit fields? What is their use?
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Answer / ravi joshi
Bit fields can only be declared inside a structure or a
union, and allow you to specify some very small objects of a
given number of bits in length. Their usefulness is limited
and they aren't seen in many programs, but we'll deal with
them anyway.
| Is This Answer Correct ? | 6 Yes | 0 No |
Bit fields main intention is to reduce the memory
consumption.
Syntax:
------
struct
{
int a:1;
/*whatever may be the size of the int(compiler dependent),
only one bit shall be allocated for variable 'a'*/
}BITFIELDS;
Restictions:
------------
1. Accessing or printing address of bitfield variable is
not possible.
2.Array of bit fields, not possible.
3.A function cannot return a bit field variable.
| Is This Answer Correct ? | 1 Yes | 1 No |
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