[*] import/export api macros were omega scuffed

bzlib.h

@@ -66,38 +66,39 @@ typedef
    bz_stream;
 
 
-#ifndef BZ_IMPORT
-#define BZ_EXPORT
+#if !defined(BZ_IMPORT)
+    #define BZ_EXPORT
 #endif
 
-#ifndef BZ_NO_STDIO
-/* Need a definitition for FILE */
-#include <stdio.h>
+#if !defined(BZ_NO_STDIO)
+    #include <stdio.h>
 #endif
 
 #ifdef _WIN32
-#   include <windows.h>
-#   ifdef small
-      /* windows.h define small to char */
-#      undef small
-#   endif
-#   ifndef WINAPI
-#   define WINAPI
-#   endif
-#   ifdef BZ_EXPORT
-#   define BZ_API(func) WINAPI func
-#   define BZ_EXTERN extern
-#   else
-   /* import windows dll dynamically */
-#   define BZ_API(func) (WINAPI * func)
-#   define BZ_EXTERN
-#   endif
-#else
-#   define BZ_API(func) func
+    #define NOMINMAX
+    #include <windows.h>
+    
+    #ifdef small
+        #undef small
+    #endif
 #endif 
 
-#ifndef BZ_EXTERN
-#define BZ_EXTERN extern
+#if !defined(BZ_NOEXPORT)
+    #ifdef BZ_EXPORT
+        #define BZ_API(func) __declspec(dllexport) func
+        #define BZ_EXTERN
+    #else
+        #define BZ_API(func) __declspec(dllimport) func
+        #define BZ_EXTERN
+    #endif
+#endif
+
+#if !defined(BZ_EXTERN)
+    #define BZ_EXTERN extern
+#endif
+
+#if !defined(BZ_API)
+    #define BZ_API(func) func
 #endif
 
 /*-- Core (low-level) library functions --*/