WebThe gethostbyname*(), gethostbyaddr*(), herror(), and hstrerror() functions are obsolete. Applications should use getaddrinfo(3) , getnameinfo(3) , and gai_strerror(3) instead. The sethostent () function specifies, if stayopen is true (1), that a connected TCP socket should be used for the name server queries and that the connection should ... http://haoyuanliu.github.io/2024/01/16/%E5%9C%B0%E5%9D%80%E6%9F%A5%E8%AF%A2%E5%87%BD%E6%95%B0gethostbyname-%E5%92%8Cgetaddrinfo/
Client in C++, use gethostbyname or getaddrinfo - Stack Overflow
WebNov 30, 2024 · 订阅专栏. gethostbyname函数通常用于根据域名获取ip地址,函数原型如下所示. #include struct hostent *gethostbyname(const char *name); 1. 2. 3. …WebMar 14, 2024 · gethostbyname 函数返回指向主机结构(由 Windows 套接字分配的结构)的指针。 hostent 结构包含成功搜索 名称 参数中指定的主机的结果。 如果 名称 参数中指 … ra minority\u0027s
Socket Function Reference : gethostbyname
WebThe gethostbyname() and gethostbyaddr() functions are deprecated on most platforms, and they don't implement support for IPv6. IPv4 has reached its limits, the world has been moving to IPv6 for awhile now. Use getaddrinfo() and getnameinfo() instead, respectively.. To answer your questions: A. getaddrinfo() and getnameinfo() can be used for clients …WebAug 9, 2006 · 如何使gethostbyname ()超时返回,不要永远阻塞. 我的程序是不能阻塞的,否则后果很严重。. 但是又要在循环中用到gethostbyname (),这个函数是阻塞的,所以当dns服务器访问不到或者出故障的时候就阻塞住了,造成很严重的后果,请教两个问题:. (1)它是永远阻塞的 ... WebApr 12, 2024 · gethostbyname_r允许传入地址A和一个缓冲区的地址B,它会把主机信息写入到缓冲区中,然后在地址A上写入结构体,结构体中的指针指向缓冲区。这样实现了可重入,只要传入的缓冲区是独立的。于是,这就成功引起了GHOST...ram in old testament