The original Quake 2 sources as originally released under the GPL license on December 21, 2001.

linux/rw_linux.h

@@ -0,0 +1,16 @@
+
+
+typedef void (*Key_Event_fp_t)(int key, qboolean down);
+
+extern void (*KBD_Update_fp)(void);
+extern void (*KBD_Init_fp)(Key_Event_fp_t fp);
+extern void (*KBD_Close_fp)(void);
+
+typedef struct in_state {
+	// Pointers to functions back in client, set by vid_so
+	void (*IN_CenterView_fp)(void);
+	Key_Event_fp_t Key_Event_fp;
+	vec_t *viewangles;
+	int *in_strafe_state;
+} in_state_t;
+