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#include <stdio.h>
struct sss{
int i1:17;
int i2:21;
int i3:17;
};
static union u{
struct sss sss;
unsigned char a[sizeof (struct sss)];
} u;
int main (void) {
int i;
for (i = 0; i < sizeof (struct sss); i++)
u.a[i] = 0;
u.sss.i1 = 131071.0;
for (i = 0; i < sizeof (struct sss); i++)
printf ("%x ", u.a[i]);
printf ("\n");
u.sss.i2 = 2097151.0;
for (i = 0; i < sizeof (struct sss); i++)
printf ("%x ", u.a[i]);
printf ("\n");
u.sss.i3 = 131071.0;
for (i = 0; i < sizeof (struct sss); i++)
printf ("%x ", u.a[i]);
printf ("\n");
return 0;
}
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