diff --git a/.gitignore b/.gitignore
index 1279d5b..033ebd0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,5 @@
 fcpp
 *.o
 *~
+*.obj
+*.exe
diff --git a/cpp1.c b/cpp1.c
index 77556b0..7a51d11 100644
--- a/cpp1.c
+++ b/cpp1.c
@@ -37,8 +37,11 @@ void __stdargs _XCEXIT(long a) { return; }
 FILE_LOCAL ReturnCode output(struct Global *, int); /* Output one character */
 FILE_LOCAL void sharp(struct Global *);
 INLINE FILE_LOCAL ReturnCode cppmain(struct Global *);
-
+#ifdef _MSC_VER
+int fppPreProcess(struct fppTag *tags)
+#else
 int PREFIX fppPreProcess(REG(a0) struct fppTag *tags)
+#endif
 {
   int i=0;
   ReturnCode ret;       /* cpp return code */
diff --git a/fpp.h b/fpp.h
index f772996..264df7a 100644
--- a/fpp.h
+++ b/fpp.h
@@ -156,4 +156,8 @@ struct fppTag {
 /* Switch on WWW-mode */
 #define FPPTAG_WEBMODE 33
 
+#ifdef _MSC_VER
+int fppPreProcess(struct fppTag *tags);
+#else
 int PREFIX fppPreProcess(REG(a0) struct fppTag *);
+#endif
\ No newline at end of file
diff --git a/usecpp.c b/usecpp.c
index 3611ed2..8be0d70 100644
--- a/usecpp.c
+++ b/usecpp.c
@@ -117,6 +117,11 @@ struct Library *FPPBase=NULL;
 #define DEFAULT_CPP_PREFS_FILE "$HOME/cpp.prefs"
 #endif
 
+#ifdef _MSC_VER
+#define FILE_LOCAL static
+#define PREFIX 
+#endif
+
 FILE_LOCAL char PREFIX *own_input(char *, int, void *);
 FILE_LOCAL void PREFIX own_output(int, void *);
 FILE_LOCAL void PREFIX own_error(void *, char *, va_list);
@@ -276,7 +281,7 @@ char GetPrefs(struct fppTag **tagptr, char **string)
   unsigned  Length_U;
   char     *PrefsBuffer_PC;
   char ret= 0;
-  char *environ;
+  char *Environ;
 
   *string = NULL;
 
@@ -301,8 +306,8 @@ char GetPrefs(struct fppTag **tagptr, char **string)
     }
   }
 
-  if(environ = getenv("CPP_PREFS")) {
-    ret= !DoString(tagptr, environ);
+  if(Environ = getenv("CPP_PREFS")) {
+    ret= !DoString(tagptr, Environ);
     if(ret && *string)
       free( *string );
   }
diff --git a/wMakefile b/wMakefile
new file mode 100644
index 0000000..da60381
--- /dev/null
+++ b/wMakefile
@@ -0,0 +1,20 @@
+TARGET =fcpp.exe
+FLAG= /WX /utf-8 /MP
+
+SOURCES = \
+	cpp1.c		\
+	cpp2.c		\
+	cpp3.c		\
+	cpp4.c		\
+	cpp5.c		\
+	cpp6.c		\
+	usecpp.c
+   
+	
+all: $(TARGET)
+
+$(TARGET):$(SOURCES)
+	cl $(FLAG) /Fe$(TARGET) $(SOURCES)
+	
+clean:
+		del *.exe & del *.obj