linux下的gcc编译器
源代码在线查看: s-longlong-s-char.c
#include static struct sss{ long long f; struct {char m;} snd; } sss; #define _offsetof(st,f) ((char *)&((st *) 16)->f - (char *) 16) int main (void) { printf ("+++Struct char inside struct starting with longlong:\n"); printf ("size=%d,align=%d\n", sizeof (sss), __alignof__ (sss)); printf ("offset-longlong=%d,offset-sss-char=%d,\nalign-longlong=%d,align-sss-char=%d\n", _offsetof (struct sss, f), _offsetof (struct sss, snd), __alignof__ (sss.f), __alignof__ (sss.snd)); return 0; }