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-rw-r--r--src/engine/interface.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/engine/interface.h b/src/engine/interface.h
index 5d3e2fe6..7809d810 100644
--- a/src/engine/interface.h
+++ b/src/engine/interface.h
@@ -350,6 +350,8 @@ bool snd_shutdown();
 */
 void inp_mouse_relative(int *x, int *y);
 
+int inp_mouse_scroll();
+
 /*
 	Function: inp_key_pressed
 		Checks if a key is pressed.