diff --git a/include/pathcch.h b/include/pathcch.h
index 0c2dc63c41b..72fbe2ad23b 100644
--- a/include/pathcch.h
+++ b/include/pathcch.h
@@ -26,25 +26,25 @@
 
 #define PATHCCH_MAX_CCH 0x8000
 
-HRESULT WINAPI PathAllocCanonicalize(const WCHAR *path_in, DWORD flags, WCHAR **path_out);
-HRESULT WINAPI PathAllocCombine(const WCHAR *path1, const WCHAR *path2, DWORD flags, WCHAR **out);
-HRESULT WINAPI PathCchAddBackslash(WCHAR *path, SIZE_T size);
-HRESULT WINAPI PathCchAddBackslashEx(WCHAR *path, SIZE_T size, WCHAR **end, SIZE_T *remaining);
-HRESULT WINAPI PathCchAddExtension(WCHAR *path, SIZE_T size, const WCHAR *extension);
-HRESULT WINAPI PathCchAppend(WCHAR *path1, SIZE_T size, const WCHAR *path2);
-HRESULT WINAPI PathCchAppendEx(WCHAR *path1, SIZE_T size, const WCHAR *path2, DWORD flags);
-HRESULT WINAPI PathCchCanonicalize(WCHAR *out, SIZE_T size, const WCHAR *in);
-HRESULT WINAPI PathCchCanonicalizeEx(WCHAR *out, SIZE_T size, const WCHAR *in, DWORD flags);
-HRESULT WINAPI PathCchCombine(WCHAR *out, SIZE_T size, const WCHAR *path1, const WCHAR *path2);
-HRESULT WINAPI PathCchCombineEx(WCHAR *out, SIZE_T size, const WCHAR *path1, const WCHAR *path2, DWORD flags);
-HRESULT WINAPI PathCchFindExtension(const WCHAR *path, SIZE_T size, const WCHAR **extension);
-BOOL    WINAPI PathCchIsRoot(const WCHAR *path);
-HRESULT WINAPI PathCchRemoveBackslash(WCHAR *path, SIZE_T path_size);
-HRESULT WINAPI PathCchRemoveBackslashEx(WCHAR *path, SIZE_T path_size, WCHAR **path_end, SIZE_T *free_size);
-HRESULT WINAPI PathCchRemoveExtension(WCHAR *path, SIZE_T size);
-HRESULT WINAPI PathCchRemoveFileSpec(WCHAR *path, SIZE_T size);
-HRESULT WINAPI PathCchRenameExtension(WCHAR *path, SIZE_T size, const WCHAR *extension);
-HRESULT WINAPI PathCchSkipRoot(const WCHAR *path, const WCHAR **root_end);
-HRESULT WINAPI PathCchStripPrefix(WCHAR *path, SIZE_T size);
-HRESULT WINAPI PathCchStripToRoot(WCHAR *path, SIZE_T size);
-BOOL    WINAPI PathIsUNCEx(const WCHAR *path, const WCHAR **server);
+WINBASEAPI HRESULT WINAPI PathAllocCanonicalize(const WCHAR *path_in, DWORD flags, WCHAR **path_out);
+WINBASEAPI HRESULT WINAPI PathAllocCombine(const WCHAR *path1, const WCHAR *path2, DWORD flags, WCHAR **out);
+WINBASEAPI HRESULT WINAPI PathCchAddBackslash(WCHAR *path, SIZE_T size);
+WINBASEAPI HRESULT WINAPI PathCchAddBackslashEx(WCHAR *path, SIZE_T size, WCHAR **end, SIZE_T *remaining);
+WINBASEAPI HRESULT WINAPI PathCchAddExtension(WCHAR *path, SIZE_T size, const WCHAR *extension);
+WINBASEAPI HRESULT WINAPI PathCchAppend(WCHAR *path1, SIZE_T size, const WCHAR *path2);
+WINBASEAPI HRESULT WINAPI PathCchAppendEx(WCHAR *path1, SIZE_T size, const WCHAR *path2, DWORD flags);
+WINBASEAPI HRESULT WINAPI PathCchCanonicalize(WCHAR *out, SIZE_T size, const WCHAR *in);
+WINBASEAPI HRESULT WINAPI PathCchCanonicalizeEx(WCHAR *out, SIZE_T size, const WCHAR *in, DWORD flags);
+WINBASEAPI HRESULT WINAPI PathCchCombine(WCHAR *out, SIZE_T size, const WCHAR *path1, const WCHAR *path2);
+WINBASEAPI HRESULT WINAPI PathCchCombineEx(WCHAR *out, SIZE_T size, const WCHAR *path1, const WCHAR *path2, DWORD flags);
+WINBASEAPI HRESULT WINAPI PathCchFindExtension(const WCHAR *path, SIZE_T size, const WCHAR **extension);
+WINBASEAPI BOOL    WINAPI PathCchIsRoot(const WCHAR *path);
+WINBASEAPI HRESULT WINAPI PathCchRemoveBackslash(WCHAR *path, SIZE_T path_size);
+WINBASEAPI HRESULT WINAPI PathCchRemoveBackslashEx(WCHAR *path, SIZE_T path_size, WCHAR **path_end, SIZE_T *free_size);
+WINBASEAPI HRESULT WINAPI PathCchRemoveExtension(WCHAR *path, SIZE_T size);
+WINBASEAPI HRESULT WINAPI PathCchRemoveFileSpec(WCHAR *path, SIZE_T size);
+WINBASEAPI HRESULT WINAPI PathCchRenameExtension(WCHAR *path, SIZE_T size, const WCHAR *extension);
+WINBASEAPI HRESULT WINAPI PathCchSkipRoot(const WCHAR *path, const WCHAR **root_end);
+WINBASEAPI HRESULT WINAPI PathCchStripPrefix(WCHAR *path, SIZE_T size);
+WINBASEAPI HRESULT WINAPI PathCchStripToRoot(WCHAR *path, SIZE_T size);
+WINBASEAPI BOOL    WINAPI PathIsUNCEx(const WCHAR *path, const WCHAR **server);