2 files changed, 9 insertions, 2 deletions

diff --git a/src/mime.c b/src/mime.c
index 8cfcd26..966509b 100644
--- a/src/mime.c
+++ b/src/mime.c
@@ -74,7 +74,7 @@ static UC b64unbase[256];
 /*-------------------------------------------------------------------------*\
 * Initializes module
 \*-------------------------------------------------------------------------*/
-int luaopen_mime(lua_State *L)
+MIME_API int luaopen_mime(lua_State *L)
 {
     lua_pushstring(L, MIME_LIBNAME);
     lua_setglobal(L, "MIME_LIBNAME");
diff --git a/src/mime.h b/src/mime.h
index fee4e5e..35389f0 100644
--- a/src/mime.h
+++ b/src/mime.h
@@ -12,7 +12,14 @@
 \*=========================================================================*/
 #include <lua.h>
 
-int luaopen_mime(lua_State *L);
+/*-------------------------------------------------------------------------*\
+* This macro prefixes all exported API functions
+\*-------------------------------------------------------------------------*/
+#ifndef MIME_API
+#define MIME_API extern
+#endif
+
+MIME_API int luaopen_mime(lua_State *L);
 
 /*-------------------------------------------------------------------------*\
 * Library's namespace