?? s-long-a-longdouble.c
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#include <stdio.h>static struct sss{ long f; long double a[10];} sss;#define _offsetof(st,f) ((char *)&((st *) 16)->f - (char *) 16)int main (void) { printf ("++++Array of longdouble in struct starting with long:\n"); printf ("size=%d,align=%d\n", sizeof (sss), __alignof__ (sss)); printf ("offset-long=%d,offset-arrayof-longdouble=%d,\nalign-long=%d,align-arrayof-longdouble=%d\n", _offsetof (struct sss, f), _offsetof (struct sss, a), __alignof__ (sss.f), __alignof__ (sss.a)); printf ("offset-longdouble-a[5]=%d,align-longdouble-a[5]=%d\n", _offsetof (struct sss, a[5]), __alignof__ (sss.a[5])); return 0;}?? 快捷鍵說明
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