1 files changed, 28 insertions, 5 deletions

diff --git a/src/screen.h b/src/screen.h
index 5d0837e..9419d5c 100644
--- a/src/screen.h
+++ b/src/screen.h
@@ -53,7 +53,31 @@ enum customcolor_pairs {
 };
 
 struct funcholder {
-    int (*callback)(void);
+    int (*callback)(void*);
+    enum type {
+        FH_UNSPEC,
+
+        FH_SPIN,
+        FH_BUY,
+        FH_QUIT,
+
+        FH_TOOBIG
+    } type;
+
+    union param {
+        struct spinp {
+            WINDOW *bannerwin;
+            int phrasenum;
+        } spinp;
+
+        struct buyp {
+
+        } buyp;
+
+        struct quitp {
+
+        } quitp;
+    } params;
     
 };
 
@@ -63,9 +87,8 @@ static float normalize(float value, float oldmin, float oldmax, float newmin, fl
 // Initialize a new curses color using standard rgb values (0-255) instead of curses' 0-1000 range
 static int init_rgb_color(int colornum, int red, int green, int blue);
 
-int spin(void);
-int buy(void);
-int quit(void);
-#define USERFUNCS (int (* [])(void)){spin, buy, quit}
+int spin(void *spinp);
+int buy(void *buyp);
+int quit(void *quitp);
 
 #endif
\ No newline at end of file