1 files changed, 8 insertions, 1 deletions

diff --git a/src/luasocket.h b/src/luasocket.h
index 4402c02..a580b2c 100644
--- a/src/luasocket.h
+++ b/src/luasocket.h
@@ -21,9 +21,16 @@
 /* note that 576 bytes is the maximum safe value */
 
 /*-------------------------------------------------------------------------*\
+* This macro prefixes all exported API functions
+\*-------------------------------------------------------------------------*/
+#ifndef LUASOCKET_API
+#define LUASOCKET_API extern
+#endif
+
+/*-------------------------------------------------------------------------*\
 * Initializes the library interface with Lua and the socket library.
 * Defines the symbols exported to Lua.
 \*-------------------------------------------------------------------------*/
-void lua_socketlibopen(lua_State *L);
+LUASOCKET_API void lua_socketlibopen(lua_State *L);
 
 #endif /* _LUASOCKET_H_ */