本文罗列一下常见方法,以备不时之需。...方法一:ioctl()获取本地IP地址 Linux 下 可以使用ioctl()函数以及结构体 struct ifreq和结构体struct ifconf来获取网络接口的各种信息。...short ifru_flags; int ifru_metric; caddr_t ifru_data; } ifr_ifru; }; #define ifr_addr...ifreq->ifr_name); ...
ifr_name, ifName, sizeof(ifr.ifr_name)-1); if (ioctl(fd, SIOCGIFINDEX, &ifr) < 0) { perror("get interface index fails."); close(fd); return -1; } 编译报错: error: storage size of ‘ifr’ isn’t known 该代码拿到外部测试没有问题,这就很奇怪了。 参考 linux - 为什么C99提示存储...
document.cookie = "name=caoyc;path=/" document.cookie = "age=13;path=/" //时间可以不要,但路径(path)必须要填写,因为js的默认路径是当前页,如果不填,此cookie只在当前页面生效! window.parent.postMessage(JSON.stringify({type: 'success', msg: html 消息传递 跨域 转载 mob64ca140c3859 10月前...
When you use the cregister keyword on an object, the compiler compares the name of the object to a list of standard control registers for the C28x (see Table 6-2). If the name matches, the compiler generates the code to reference the control register. If the name does not match, the ...