37 lines
367 B
C
37 lines
367 B
C
typedef struct {
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unsigned b0:1, f1:17, b18:1, b19:1, b20:1, f2:11;
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} bf;
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typedef union {
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bf b;
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unsigned w;
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} bu;
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bu
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f(bu i)
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{
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bu o = i;
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if (o.b.b0)
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o.b.b18 = 1,
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o.b.b20 = 1;
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else
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o.b.b18 = 0,
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o.b.b20 = 0;
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return o;
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}
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main()
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{
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bu a;
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bu r;
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a.w = 0x4000000;
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a.b.b0 = 0;
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r = f(a);
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if (a.w != r.w)
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abort();
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exit(0);
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}
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