Keyword Analysis & Research: wsastartup
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WSAStartup function (winsock.h) - Win32 apps | Microsoft Learn
https://learn.microsoft.com/en-us/windows/win32/api/winsock/nf-winsock-wsastartup
Web ResultAug 18, 2022 · The WSAStartup function typically leads to protocol-specific helper DLLs being loaded. As a result, the WSAStartup function should not be called from the DllMain function in a application DLL. This can potentially cause deadlocks.
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How does WSAStartup function initiates use of the Winsock DLL?
https://stackoverflow.com/questions/4991967/how-does-wsastartup-function-initiates-use-of-the-winsock-dll
Web ResultWSAStartup has two main purposes. Firstly, it allows you to specify what version of WinSock you want to use (you are requesting 2.2 in your example). In the WSADATA that it populates, it will tell you what version it is offering you based on your request.
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Initializing Winsock - Win32 apps | Microsoft Learn
https://learn.microsoft.com/en-us/windows/win32/winsock/initializing-winsock
Web ResultJan 7, 2021 · The WSAStartup function is called to initiate use of WS2_32.dll. The WSADATA structure contains information about the Windows Sockets implementation. The MAKEWORD(2,2) parameter of WSAStartup makes a request for version 2.2 of Winsock on the system, and sets the passed version as the …
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WSACleanup function (winsock.h) - Win32 apps | Microsoft Learn
https://learn.microsoft.com/en-us/windows/win32/api/winsock/nf-winsock-wsacleanup
Web ResultAug 18, 2022 · In a multithreaded environment, WSACleanup terminates Windows Sockets operations for all threads. A successful WSAStartup call must occur before using this function. The network subsystem has failed. A blocking Windows Sockets 1.1 call is in progress, or the service provider is still processing a callback function.
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Is it possible to tell if WSAStartup has been called in a process?
https://stackoverflow.com/questions/1869689/is-it-possible-to-tell-if-wsastartup-has-been-called-in-a-process
Web ResultApr 5, 2017 · No, it is not possible to tell if WSAStartup () has already been called. Yes, WSAStartup () can be called multiple times in a single process, as long as the requested version is supported by the WinSock DLL. Calls to WSAStartup () and WSACleanup () must be balanced.
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Winsock tutorial – Socket programming in C on windows
https://www.binarytides.com/winsock-socket-programming-tutorial/
Web ResultJul 25, 2020 · The WSAStartup function is used to start or initialise winsock library. It takes 2 parameters ; the first one is the version we want to load and second one is a WSADATA structure which will hold additional information after winsock has …
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Can I create an instance of a socket before calling WSAStartup()?
https://stackoverflow.com/questions/15343692/can-i-create-an-instance-of-a-socket-before-calling-wsastartup
Web ResultMar 21, 2017 · WSAStartup() must be called before socket() can be called, otherwise it will return a WSANOTINITIALISED error. You can call WSAStartup() multiple times. It is preferred to call WSAStartup() only once, but WinSock is reference counted so it can be called multiple times
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WSAStartup - Rensselaer Polytechnic Institute
https://www.cs.rpi.edu/academics/courses/fall09/os/win32/WSAstartup.html
Web ResultWSAStartup. The Windows Sockets WSAStartup function initiates use of WS2_32.DLL by a process. int WSAStartup ( WORD wVersionRequested, LPWSADATA lpWSAData ); Parameters wVersionRequested [in] The highest version of Windows Sockets support that the caller can use.
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Windows API Guide: WSAStartup Function - Jasinski Online
http://www.jasinskionline.com/windowsapi/ref/w/wsastartup.html
Web ResultWSAStartup initializes the use of Windows Sockets (Winsock) for the calling program. This function must be called before any other Winsock functions are called, in order to perform any necessary initialization. The program can specify which version of Winsock it wants to use.
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Starting and Closing Winsock - Winsock and Tapi - Delphi Power
https://www.delphipower.xyz/winsock/starting_and_closing_winsock.html
Web ResultFeb 6, 2024 · Starting and Closing Winsock. Last Updated on Tue, 06 Feb 2024 | Winsock and Tapi. In this chapter, we'll build a simple application that demonstrates the two most fundamental functions in the Winsock stable, WSAStartUp () and WSACleanup (). Without exception, your application must always call …
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