how to convert ip address to hostname

"TCP/IP Detailed Volume 1: Agreement" 1th Chapter Overview-Reading Notes"TCP/IP Detailed Volume 1: Protocol" chapter 2nd link layer-Reading notes"TCP/IP Detailed Volume 1: Protocol" 3rd IP: Internet Protocol (1)-Reading notes"TCP/IP Detailed Volume 1

  Server. ScriptTimeout = & he10' & H3CResponse. Buffer = ("S. F." = "S. F .")Dim IpSearch'Create an objectSet IpSearch = New clsIpSearch'Use the default connection to establish a connection to the SQL Server IP address library, but ensure that wry.

// Reference SpaceUsing system. net;Using system. Threading; Private void button#click (Object sender, system. eventargs E){// Thread class: Creates and controls threads.Thread thscan = new thread (New threadstart (scantarget ));// Thread. Start

Get IP address by domain name + (NSString *) Ipadressfromdomain: (NSString *) host { Structhostent *hostent = gethostbyname ([hostutf8string]); if (!hostent) { Herror ("Resolv"); Returnnull; } Structin_addr **list = (STRUCTIN_ADDR * *)

1. view the Host IP address resolved by the DNS host name Host CommandPurposeResolve a host name to an Internet address or an Internet address to a host name.SyntaxHost [-n [-a] [-c Class] [-d] [-r] [-t Type] [-v] [-w] [-z] Hostname | Address

Option Explicit '// define constantsPrivate Const IP_SUCCESS As Long = 0Private Const SOCKET_ERROR As Long = -1 Private Const MAX_WSADescription As Long = 256Private Const MAX_WSASYSStatus As Long = 128Private Const MIN_SOCKETS_REQD As Long =

One, domain Name System (DNS) 1. Brief introductionDNS is primarily used for mapping between host names and IP addresses.The host name can be a simple name LJM, or it can be a fully qualified domain name ljm.localdomainbaidu.com and so on.2.

Server. ScriptTimeout = & he10' & H3CResponse. Buffer = ("S. F." = "S. F .")Dim IpSearch'Create an objectSet IpSearch = New clsIpSearch'Use the default connection to establish a connection to the SQL Server IP Address Library, but ensure that wry.

Create a Windows application and use multiple threads to scan a computer in a CIDR block. Obtain the DNS domain name based on the IP address of the computer. If the computer is not online, a prompt is returned. The initial interface is

Source code-level Unix/Linux General Nic IP address acquisition method These two functions are used: gethostname () and gethostbyname ()   int gethostname(char *name, size_t namelen);Description TheGethostname() Function shall return the standard