Microsoft Windows library files: Difference between revisions

Revision as of 16:41, 25 April 2024

Revision as of 16:21, 26 April 2024

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This runtime library is used by programs written in Visual C++ and a few other compilers (e.g. [[MinGW]]). Some compilers have their own runtime libraries.

With Version 14.0 ([[Visual_Studio|Visual Studio 2015]]), most of the C/C++ runtime was moved into a new DLL, UCRTBASE.DLL, thatwhich isconforms strictlyclosely C99with compliantC99[https://learn.microsoft.com/en-us/cpp/porting/upgrade-your-code-to-the-universal-crt?view=msvc-170]. '''Universal C Run Time''' ('''UCRT''') from Windows 10 onwards become a component part of Windows[https://learn.microsoft.com/en-us/cpp/porting/upgrade-your-code-to-the-universal-crt?view=msvc-170], so every compiler (either non MS, like [[GNU_Compiler_Collection|GCC]] or [[Clang]]/[[LLVM]]) can link against UCRT[https://www.msys2.org/docs/environments/]. However, C/C++ programs using UCRTBASE.DLL are forced to link against another new DLL, the VCRuntime. At Version 14.0, this was VCRUNTIME140.DLL.<ref>{{cite web | url=https://docs.microsoft.com/en-us/cpp/porting/binary-compat-2015-2017?view=msvc-170 | title=C++ binary compatibility 2015-2022 }}</ref> The name has the potential to change at future versions, but has not done so as far as of Version 17.0.

Source code for runtime libraries is included in Visual C++<ref>{{cite web | url=http://msdn.microsoft.com/en-us/library/aa296413(v=vs.60).aspx | title=Source Code for the C Run-Time Functions }}</ref> for reference and debugging (e.g. in <code>C:\Program Files\Microsoft Visual Studio 11.0\VC\crt\src</code>).