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Trailing-Edge - PDP-10 Archives - SRI_NIC_PERM_FS_1_19910112 - c/kcc/bugoff.c
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#define offsetof(s,m) \
	( (char *) (&((struct s *)0)->m) - (char *)0)
struct foo {
	short a,b,c;
};
int res;
main()
{
    res = offsetof(foo,c);
}