+extern struct cvar_s scr_viewsize;
+extern struct cvar_s scr_fov;
+extern struct cvar_s cl_showfps;
+extern struct cvar_s cl_showtime;
+extern struct cvar_s cl_showdate;
+
+extern struct cvar_s crosshair;
+extern struct cvar_s crosshair_size;
+
+extern struct cvar_s scr_conalpha;
+extern struct cvar_s scr_conalphafactor;
+extern struct cvar_s scr_conalpha2factor;
+extern struct cvar_s scr_conalpha3factor;
+extern struct cvar_s scr_conscroll_x;
+extern struct cvar_s scr_conscroll_y;
+extern struct cvar_s scr_conscroll2_x;
+extern struct cvar_s scr_conscroll2_y;
+extern struct cvar_s scr_conscroll3_x;
+extern struct cvar_s scr_conscroll3_y;
+extern struct cvar_s scr_conbrightness;
+extern struct cvar_s r_letterbox;
+
+extern struct cvar_s scr_refresh;
+extern struct cvar_s scr_stipple;
+
+extern struct cvar_s r_stereo_separation;
+extern struct cvar_s r_stereo_angle;
+qbool R_Stereo_Active(void);
+extern int r_stereo_side;