看代码
char l_atcTemp[20];
tDevStruct l_tDev; //结构体memset(atcTemp,0x00,sizeof(atcTemp));
sprintf(l_atcTemp,"%s","00010001");
strcpy(l_tDev.acDevID,l_atcTemp);此时l_tDev.acDevID的确是 00010001,下面
memset(atcTemp,0x00,sizeof(atcTemp));
sprintf(l_atcTemp,"%s","88888888");
此时l_tDev.acDevID也变成了 88888888怎么回事? 我用sprintf(l_tDev.acDevID,"%s",l_atcTemp);依然如此,为什么?
char l_atcTemp[20];
tDevStruct l_tDev; //结构体memset(atcTemp,0x00,sizeof(atcTemp));
sprintf(l_atcTemp,"%s","00010001");
strcpy(l_tDev.acDevID,l_atcTemp);此时l_tDev.acDevID的确是 00010001,下面
memset(atcTemp,0x00,sizeof(atcTemp));
sprintf(l_atcTemp,"%s","88888888");
此时l_tDev.acDevID也变成了 88888888怎么回事? 我用sprintf(l_tDev.acDevID,"%s",l_atcTemp);依然如此,为什么?
2. 另外l_atcTemp与atcTemp变量之间什么关系?
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调试的时候看变量窗口的,还是什么办法看到的?先执行memset(&l_tDev,0,sizeof(tDevStruct));