学步园

#include "stdio.h"<br /> #include "string.h"</p> <p>typedef struct<br /> {<br /> int nData;<br /> char chData;<br /> }Tstruct1;</p> <p>typedef struct<br /> {<br /> int nData;<br /> char chData;<br /> short wData;<br /> }Tstruct2;</p> <p>Tstruct1 tTestt1 = {100, '1'};<br /> Tstruct2 tTestt2 = {200, '2', 20};</p> <p>const char *Stable[]=<br /> {<br /> (const char *)(&tTestt1),<br /> (const char *)(&tTestt2),<br /> };</p> <p>void GetStructT(int type, void *pvOutBuf, int dwLen)<br /> {<br /> char *lpstrBuf = NULL;</p> <p> lpstrBuf = (char *)(Stable[type]);<br /> memcpy(pvOutBuf, (char *)lpstrBuf, dwLen);<br /> }</p> <p>void SetStructT(int type, void *pvOutBuf, int dwLen)<br /> {<br /> char *lpstrBuf = NULL;</p> <p> lpstrBuf = (char *)(Stable[type]);<br /> memcpy(lpstrBuf, pvOutBuf, dwLen);<br /> }</p> <p>int main(void)<br /> {<br /> Tstruct1 at1 = {0};<br /> Tstruct2 at2 = {0};</p> <p> GetStructT(0, &at1, sizeof(Tstruct1));<br /> printf("struct1: nData:%d, chData:%c/n", at1.nData, at1.chData);<br /> GetStructT(1, &at2, sizeof(Tstruct2));<br /> printf("struct2: nData:%d, chData:%c, wData:%d/n", at2.nData, at2.chData, at2.wData);<br /> at2.nData = 700;<br /> at2.chData = '8';<br /> at2.wData = 66;<br /> SetStructT(0, &at2, sizeof(at2));<br /> printf("struct2: nData:%d, chData:%c, wData:%d/n", at2.nData, at2.chData, at2.wData);</p> <p> return 0;<br /> }