#include <stdio.h>
void main()
{
union u_example
{
float decval;
int pnum;
double my_value;
} U1;
U1.my_value = 125.5;
U1.pnum = 10;
U1.decval = 1000.5f;
printf("\ndecval = %f pnum = %d my_value = %lf",
U1.decval, U1.pnum, U1.my_value );
printf("\nU1 size = %d\ndecval size = %d pnum size = %d my_value size = %d",
sizeof U1, sizeof U1.decval, sizeof U1.pnum, sizeof U1.my_value);
}
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