Web上述结构中,定义在头文件中,sa_family_t实际上是 unsigned short int类型,故该结构的共占用16个字节。 ... 上述结构中,struct in_addr是使用一个uint32_t 网络字节序描述的IP地址信息,我们在转换成点分式的IP信息时,就是使用的该结构体中in_addr_t进行转换 … WebNov 10, 2024 · getifaddrs () creates a linked list of structures that contain information of the network interfaces of the local machine. You can retrieve all interface addresses by using this funciton. #include #include #include #include #include #include #include #include
[C/C++] How to get all interface addresses on the local device.
WebNov 24, 2024 · 一、in_device数据结构:. IP配置块,网络设备层与IPv4相关的配置都存放在in_device结构中,应用层可以通过ip或者ifconfig工具来修改这些配置。. 该结构实例的地址保存在net_device的in_ptr中,可以通过in_dev_get ()访问它。. 访问结束后,必须使用in_dev_put ()。. in_dev_get ()会 ... WebЧлен ifa_addr является указателем на struct sockaddr.Во-первых, вы хотите убедиться, что это адрес IPv4, проверив, установлено ли для sa_family значение AF_INET, и если да, вы можете использовать memcpy, чтобы скопировать его в struct sockadr_in. . how to treat postpartum anxiety
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WebMar 25, 2016 · A method that covers more situations would involve something like this: parse the /proc/net/route file to see which interface is the "default" one; use your piece of code from the first post (using getifaddrs) to figure out the IP address for that interface. The route file parsing might look like this (C++ code for brevity): std::string ... WebMar 22, 2024 · struct sockaddr_in. 在谈struct sockaddr_in 之前先说一下sockaddr. sockaddr所在在头文件#include sockaddr的缺陷是:sa_data把目标地址 … Weblist of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation. and/or other materials provided with the distribution. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND. how to treat postpartum preeclampsia