Anonymous Union

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Member names of an anonymous union belong to the scope of the union declaration an must be distinct to all other names of this scope. The example here has the same construction as example Anonymous Members using “struct” but is standard conform.

struct Sample {
    union {
        int a;
        int b;
    int c;
int main()
  Sample sa;
  sa.a =3;
  sa.b =4;
  sa.c =5;

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