【vc <--> vc】返回void* 類型

?

void*?__stdcall?torrent_hash(?const?char?*TorrentFilePath)
{
????char?szText[41]={0};
????if(strcmp(TorrentFilePath,"")?==?0?||?TorrentFilePath?==?NULL)
????????return?NULL;

????string?strHashString?=?"abcdefg";????

????sprintf(szText,"%s",strHashString.c_str()?);
????
????printf("dll?output:?[%s?%s]?Anylist?Result?:?%s?\t?Hash:?%s\n",__DATE__,__TIME__,?TorrentFilePath?,?strHashString.c_str()?);
????
????return?(void*)szText;
}

?

?extern?"C"?__declspec(dllexport)?void*?__stdcall??torrent_hash?(?const?char?*TorrentFilePath);

?

使用：

?View Code

?
void?torrent_hash(?char?*backhash,?const?char?*TorrentFilePath?)
{

????typedef?void*?(__stdcall?*TORRENT_HASH)(const?char?*TorrentFilePath_indll);????

????TORRENT_HASH?HashFun;

????HINSTANCE?HDLL?=?LoadLibrary(HASH_DLL_PATH);?????
????
????if(HDLL==NULL)?
????{
????????printf("cannot?find?the?dll?file");
????????return?;
????}
????
?????????
?????HashFun?=?(TORRENT_HASH)GetProcAddress(HDLL,"torrent_hash");?

????
????strcpy(backhash?,?(char*)HashFun(?TorrentFilePath));

????printf("TorrentFilePath?Hash:%s?\t?%s\n",TorrentFilePath,?backhash);
????????
????

????FreeLibrary(HDLL);

????return?;

}

int?main(int?argc,?char?**argv)
{
????
????????if(argc>=0)
????????{
????????????char?backhash[41]={0};
????????????
????????????torrent_hash(?backhash?,argv[1]);
????????????????????????
????????????printf("TorrentFilePath?Hash:%s?\t?%s\n",argv[1],?backhash);

????????}
????????else
????????{
????????????printf("loaddll?torrent_path\n");
????????}
?????
????????printf("end\n");
????

轉(zhuǎn)載于:https://www.cnblogs.com/no7dw/archive/2011/11/08/2240964.html

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