[nix-shell:~/Downloads/zig/build]$ grep -IR mkdir ../lib/libc/include/any-windows-any/ ../lib/libc/include/any-windows-any/tchar.h:#define _tmkdir _wmkdir ../lib/libc/include/any-windows-any/tchar.h:#define _tmkdir _mkdir ../lib/libc/include/any-windows-any/wchar.h: _CRTIMP int __cdecl _wmkdir(const wchar_t *_Path); ../lib/libc/include/any-windows-any/direct.h: _CRTIMP int __cdecl _mkdir(const char *_Path); ../lib/libc/include/any-windows-any/direct.h: _CRTIMP int __cdecl _wmkdir(const wchar_t *_Path); ../lib/libc/include/any-windows-any/direct.h: int __cdecl mkdir(const char *_Path) __MINGW_ATTRIB_DEPRECATED_MSVC2005; ../lib/libc/include/any-windows-any/io.h: int __cdecl mkdir (const char *) __MINGW_ATTRIB_DEPRECATED_MSVC2005;