diff --git a/src/v3270/colors.c b/src/v3270/colors.c
index 424ced5..38ea5a5 100644
--- a/src/v3270/colors.c
+++ b/src/v3270/colors.c
@@ -75,7 +75,7 @@ const gchar * v3270_default_colors =
 
 /*--[ Implement ]------------------------------------------------------------------------------------*/
 
-void v3270_set_colors(GtkWidget *widget, const gchar *colors)
+LIB3270_EXPORT void v3270_set_colors(GtkWidget *widget, const gchar *colors)
 {
 	g_return_if_fail(GTK_IS_V3270(widget));
 
@@ -90,7 +90,7 @@ void v3270_set_colors(GtkWidget *widget, const gchar *colors)
 
 }
 
-void v3270_set_color(GtkWidget *widget, enum V3270_COLOR id, GdkRGBA *color)
+LIB3270_EXPORT void v3270_set_color(GtkWidget *widget, enum V3270_COLOR id, GdkRGBA *color)
 {
 	g_return_if_fail(GTK_IS_V3270(widget));
 
@@ -101,19 +101,20 @@ void v3270_set_color(GtkWidget *widget, enum V3270_COLOR id, GdkRGBA *color)
 #endif // !GTK(3,0,0)
 
 }
-GdkRGBA * v3270_get_color(GtkWidget *widget, enum V3270_COLOR id)
+
+LIB3270_EXPORT GdkRGBA * v3270_get_color(GtkWidget *widget, enum V3270_COLOR id)
 {
 	g_return_val_if_fail(GTK_IS_V3270(widget),NULL);
  	return GTK_V3270(widget)->color+id;
 }
 
-const GdkRGBA * v3270_get_color_table(GtkWidget *widget)
+LIB3270_EXPORT const GdkRGBA * v3270_get_color_table(GtkWidget *widget)
 {
 	g_return_val_if_fail(GTK_IS_V3270(widget),NULL);
  	return GTK_V3270(widget)->color;
 }
 
-void v3270_set_mono_color_table(GdkRGBA *clr, const gchar *fg, const gchar *bg)
+LIB3270_EXPORT void v3270_set_mono_color_table(GdkRGBA *clr, const gchar *fg, const gchar *bg)
 {
 	int f;
 
diff --git a/src/v3270/keyboard.c b/src/v3270/keyboard.c
index b648186..971c2f6 100644
--- a/src/v3270/keyboard.c
+++ b/src/v3270/keyboard.c
@@ -171,7 +171,7 @@
  	return FALSE;
  }
 
- gboolean v3270_set_keyboard_action(GtkWidget *widget, const gchar *key_name, GtkAction *action)
+ LIB3270_EXPORT gboolean v3270_set_keyboard_action(GtkWidget *widget, const gchar *key_name, GtkAction *action)
  {
 	guint			keyval;
 	GdkModifierType	state;
@@ -226,21 +226,21 @@
 
  }
 
- void v3270_tab(GtkWidget *widget)
+ LIB3270_EXPORT void v3270_tab(GtkWidget *widget)
  {
 	g_return_if_fail(GTK_IS_V3270(widget));
 	GTK_V3270(widget)->activity.timestamp = time(0);
 	lib3270_nextfield(GTK_V3270(widget)->host);
  }
 
- void v3270_backtab(GtkWidget *widget)
+ LIB3270_EXPORT void v3270_backtab(GtkWidget *widget)
  {
 	g_return_if_fail(GTK_IS_V3270(widget));
 	GTK_V3270(widget)->activity.timestamp = time(0);
 	lib3270_previousfield(GTK_V3270(widget)->host);
  }
 
- void v3270_set_string(GtkWidget *widget, const gchar *str)
+ LIB3270_EXPORT void v3270_set_string(GtkWidget *widget, const gchar *str)
  {
  	H3270 *host;
 	gchar *utf;
diff --git a/src/v3270/mouse.c b/src/v3270/mouse.c
index ecbd629..eb663b8 100644
--- a/src/v3270/mouse.c
+++ b/src/v3270/mouse.c
@@ -297,7 +297,7 @@ gboolean v3270_motion_notify_event(GtkWidget *widget, GdkEventMotion *event)
 	return FALSE;
 }
 
-void v3270_set_scroll_action(GtkWidget *widget, GdkScrollDirection direction, GtkAction *action)
+LIB3270_EXPORT void v3270_set_scroll_action(GtkWidget *widget, GdkScrollDirection direction, GtkAction *action)
 {
  	g_return_if_fail(GTK_IS_V3270(widget));
 	action_scroll[((int) direction) & 0x03] = action;
diff --git a/src/v3270/selection.c b/src/v3270/selection.c
index a784480..e750570 100644
--- a/src/v3270/selection.c
+++ b/src/v3270/selection.c
@@ -86,7 +86,7 @@ static void clipboard_get(G_GNUC_UNUSED  GtkClipboard *clipboard, GtkSelectionDa
  * @param len       Number of characters to get.
  *
  */
-gchar * v3270_get_text(GtkWidget *widget, int offset, int len)
+LIB3270_EXPORT gchar * v3270_get_text(GtkWidget *widget, int offset, int len)
 {
 	v3270	* terminal;
 	gchar	* text;
@@ -301,7 +301,7 @@ static void update_system_clipboard(GtkWidget *widget)
 }
 
 
-void v3270_copy_append(GtkWidget *widget)
+LIB3270_EXPORT void v3270_copy_append(GtkWidget *widget)
 {
 	v3270			* terminal;
 	char 			* str;
@@ -377,14 +377,14 @@ static void text_received(G_GNUC_UNUSED  GtkClipboard *clipboard, const gchar *t
 	v3270_paste_string(widget,text,"UTF-8");
 }
 
-void v3270_paste(GtkWidget *widget)
+LIB3270_EXPORT void v3270_paste(GtkWidget *widget)
 {
 	gtk_clipboard_request_text(gtk_widget_get_clipboard(widget,GDK_SELECTION_CLIPBOARD),(GtkClipboardTextReceivedFunc) text_received,(gpointer) widget);
 }
 
 #endif // _WIN32
 
-void v3270_paste_string(GtkWidget *widget, const gchar *text, const gchar *encoding)
+LIB3270_EXPORT void v3270_paste_string(GtkWidget *widget, const gchar *text, const gchar *encoding)
 {
  	gchar 		* buffer 	= NULL;
  	H3270		* session 	= v3270_get_session(widget);
@@ -508,7 +508,7 @@ void v3270_paste_string(GtkWidget *widget, const gchar *text, const gchar *encod
 
 }
 
-void v3270_unselect(GtkWidget *widget)
+LIB3270_EXPORT void v3270_unselect(GtkWidget *widget)
 {
 	v3270_disable_updates(widget);
 	lib3270_unselect(v3270_get_session(widget));
@@ -539,13 +539,13 @@ gchar * v3270_get_region(GtkWidget *widget, gint start_pos, gint end_pos, gboole
 	return utftext;
 }
 
- void v3270_select_region(GtkWidget *widget, gint start, gint end)
- {
+LIB3270_EXPORT  void v3270_select_region(GtkWidget *widget, gint start, gint end)
+{
  	g_return_if_fail(GTK_IS_V3270(widget));
  	lib3270_select_region(GTK_V3270(widget)->host,start,end);
- }
+}
 
-void v3270_select_all(GtkWidget *widget)
+LIB3270_EXPORT void v3270_select_all(GtkWidget *widget)
 {
  	g_return_if_fail(GTK_IS_V3270(widget));
 	v3270_disable_updates(widget);
diff --git a/src/v3270/widget.c b/src/v3270/widget.c
index 9fa40ad..5c1f793 100644
--- a/src/v3270/widget.c
+++ b/src/v3270/widget.c
@@ -935,7 +935,7 @@ const GtkWidgetClass * v3270_get_parent_class(void)
 	return GTK_WIDGET_CLASS(v3270_parent_class);
 }
 
-GtkIMContext * v3270_get_im_context(GtkWidget *widget)
+LIB3270_EXPORT GtkIMContext * v3270_get_im_context(GtkWidget *widget)
 {
 	return GTK_V3270(widget)->input_method;
 }
--
libgit2 0.21.2