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CYGWIN: why va_list is declared in wchar

In cygwin I stumbled on something weird (from my perspective). va_list type is declared in wchar.h. In linux and mingw it is declared elsewhere more explicit (vadefs.h for mingw for example). Can anyone point out why this choice was made ?

Thanks

Solution

  • stdarg.h is provided by the compiler:

    $ cygcheck -l gcc-core | grep stdarg
/usr/lib/gcc/x86_64-pc-cygwin/10/include/cross-stdarg.h
/usr/lib/gcc/x86_64-pc-cygwin/10/include/stdarg.h

    there is

    typedef __gnuc_va_list va_list