1 files changed, 5 insertions, 19 deletions
diff --git a/missing/isnan.c b/missing/isnan.c
index df424c2e61..459048e936 100644
--- a/missing/isnan.c
+++ b/missing/isnan.c
@@ -1,31 +1,17 @@
 /* public domain rewrite of isnan(3) */
 
-#ifdef _MSC_VER
-
-#include <float.h>
-int
-isnan(n)
-  double n;
-{
-  return _isnan(n);
-}
-
-#else
-
 static int double_ne();
 
 int
 isnan(n)
-  double n;
+    double n;
 {
-  return double_ne(n, n);
+    return double_ne(n, n);
 }
 
-static
-int
+static int
 double_ne(n1, n2)
-  double n1, n2;
+    double n1, n2;
 {
-  return n1 != n2;
+    return n1 != n2;
 }
-#endif