Programming - How much memory will be allocated to this union:union a{char b;int no:2; (bit field)}

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How much memory will be allocated to this union:

union a

{

char b;

int no:2; (bit field)

}

Total Answers and Comments: 3

Last Update: January 21, 2006

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September 12, 2005 18:52:37

non-name

RE: How much memory will be allocated to this union...

3 bit

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December 19, 2005 07:02:57

asadullah ansari

RE: How much memory will be allocated to this union...

Size of a union is the size of one of the data types which resides in union whose is the largest between them so it's size is ONE BYTE.

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January 21, 2006 04:42:38

bndeshmukh1

Member Since: January 2006 Contribution: 1

RE: How much memory will be allocated to this union...

hi size of a union is size of largest data type among its members ...so size of union a is 4 bytes.Even if int no is type bt-field the sizeof union will remain 4 bytes as sizeof(int) 4.now int no:2 means value for no wil be 2-bit wide i.e. either 00->0 01->1 10->2 or 11->3 that is all--bhalchandra

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