https://issues.dlang.org/show_bug.cgi?id=15838
--- Comment #5 from github-bugzi...@puremagic.com --- Commits pushed to dmd-cxx at https://github.com/dlang/druntime https://github.com/dlang/druntime/commit/699dab51b73c37ccf3e397cffb34c2c49198f7e6 Fix issue 15838 Many Win32 API callback functions miss extern(Windows) https://github.com/dlang/druntime/commit/ce29bfc31385a988555a0ba1ab335c81c5173b03 Merge pull request #1525 from qchikara/pr_win32_callbacks_linkeage --