WebThe gethostbyname () and gethostbyaddr () functions return the hostent structure or a null pointer if an error occurs. On error, the h_errno variable holds an error number. When non-NULL, the return value may point at static data, see the notes below. ERRORS The variable h_errno can have the following values: HOST_NOT_FOUND WebC++ (Cpp) ares_gethostbyname - 22 examples found. These are the top rated real world C++ (Cpp) examples of ares_gethostbyname extracted from open source projects. You can rate examples to help us improve the quality of examples. void resolv_start (const char *hostname, uint16_t port, void (*client_cb) (struct sockaddr *, void *), void (*free_cb ...
getaddrinfo(3) - Linux manual page - Michael Kerrisk
WebThe gethostbyname() call returns a pointer to a hostent structure for the host name specified on the call. gethostent(), gethostbyaddr(), and gethostbyname() all use the … Webint main (int argc, char* argv []) { gethostname (wkstr, 255); sprintf (wkstr, "%s\r\n", wkstr); sock = socket (AF_INET, SOCK_STREAM, 0); if (sock==-1) { perror ("opening stream socket"); return 1; } server.sin_family = AF_INET; hp = gethostbyname (host_id); if (hp== (struct hostent *) 0) { fprintf (stderr, "%s: unknown host\n", host_id); return … birdlife mornington peninsula
gethostbyname function (winsock2.h) - Win32 apps
Web2 Answers. The gethostbyname () and gethostbyaddr () functions are deprecated on most platforms, and they don't implement support for IPv6. IPv4 has reached its limits, the … Webgethostbyname:已知域名,查看 IP 地址; gethostbyaddr:通过 IP 地址,查看其对应的域名。 注意:一个 IP 地址可以对应多个域名。 gethostbyname 利用域名获取 IP 地址. #include struct hostent * gethostbyname (const char * name); // 成功时返回 hostent 结构体变量地址值 // 失败 ... http://shoe.bocks.com/net/ damelin psychology honours