?? f-22-2-19.c
字號(hào):
#include <stdio.h>struct sss{ int i1:22; int i2:2; int i3:19;};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 = 4194303.0; for (i = 0; i < sizeof (struct sss); i++) printf ("%x ", u.a[i]); printf ("\n"); u.sss.i2 = 3.0; for (i = 0; i < sizeof (struct sss); i++) printf ("%x ", u.a[i]); printf ("\n"); u.sss.i3 = 524287.0; for (i = 0; i < sizeof (struct sss); i++) printf ("%x ", u.a[i]); printf ("\n"); return 0;}
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