沒想到會遇到這樣的問題，
在VC6環境下測試，重點請看紅色字體與圖片。
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#include "stdafx.h"
#include <stdio.h>
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typedef struct sData
{
??? static const char* text;
??? static int? val_a;
??? static int? val_b;
} sData, *Self_Ptr;
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typedef struct?
{
??? char* text;
??? intval_a;
??? intval_b;
}* Other_Ptr;
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const char* sData::text = "this is a test string\0";
int? sData::val_b = 200;
int? sData::val_a = 100;
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int main(int argc, char* argv[])
{
??? Self_Ptr p_self = (Self_Ptr)&(sData::text);
??? Other_Ptr p_other = (Other_Ptr)&(sData::text);
??? printf("%d\n", sizeof(sData));????????????????????????? //----1, static
成員不計入sizeof
??? printf("val_a: %d-%d\n", p_self->val_a, sData::val_a);? //----val_a: 100-100
??? printf("val_b: %d-%d\n", p_self->val_b, sData::val_b);? //----val_b: 200-200
??? printf("val_a: %d-%d\n", p_self->val_a, p_other->val_a);//----val_a: 100-200
??? printf("val_b: %d-%d\n", p_self->val_b, p_other->val_b);//----val_b: 200-100
??? return 0;
}