?? ext.c
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/* The bit-field below would have a problem if __INT_MAX__ is too small. */#if __INT_MAX__ < 2147483647intmain (void){ exit (0);}#elsestruct foo{ unsigned b31 : 1; unsigned b30 : 1; unsigned b29 : 1; unsigned b28 : 1; unsigned rest : 28;};foo(a) struct foo a;{ return a.b30;}#endif
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