clang-c/Index.h: Clarify empty argument with (void) for C89.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172037 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/clang-c/Index.h b/include/clang-c/Index.h
index 011588e..fc7120c 100644
--- a/include/clang-c/Index.h
+++ b/include/clang-c/Index.h
@@ -361,7 +361,7 @@
/**
* \brief Retrieve a NULL (invalid) source location.
*/
-CINDEX_LINKAGE CXSourceLocation clang_getNullLocation();
+CINDEX_LINKAGE CXSourceLocation clang_getNullLocation(void);
/**
* \brief Determine whether two source locations, which must refer into
@@ -393,7 +393,7 @@
/**
* \brief Retrieve a NULL (invalid) source range.
*/
-CINDEX_LINKAGE CXSourceRange clang_getNullRange();
+CINDEX_LINKAGE CXSourceRange clang_getNullRange(void);
/**
* \brief Retrieve a source range given the beginning and ending source
@@ -2359,7 +2359,7 @@
/**
* \brief Creates an empty CXCursorSet.
*/
-CINDEX_LINKAGE CXCursorSet clang_createCXCursorSet();
+CINDEX_LINKAGE CXCursorSet clang_createCXCursorSet(void);
/**
* \brief Disposes a CXCursorSet and releases its associated memory.
@@ -4865,7 +4865,7 @@
* \brief Return a version string, suitable for showing to a user, but not
* intended to be parsed (the format is not guaranteed to be stable).
*/
-CINDEX_LINKAGE CXString clang_getClangVersion();
+CINDEX_LINKAGE CXString clang_getClangVersion(void);
/**
