pthread_create传递参数

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CIniFile thini("./preconfig.ini"); string strip=""; string strport=""; strip=thini.readStr("server","ip"); strport=thini.readStr("server","port");     struct argument arg1;   arg1.ip=strip;   arg1.port=strport;    pthread_t id;            int ret = pthread_create(&id, NULL, thread, (void*)&arg1);

　　

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void *thread7(void *ptr) {     C_Ctp tp;   struct argument arg_thread;    arg_thread =*(struct argument*)ptr;    tp.SetIpAddr(arg_thread.ip.c_str(),arg_thread.port.c_str());  tp.Connect();  int i = 0;  for(i=0; i<100;i++)  tp.PreDeal("50001");     return 0; }