void SCR_Init (void); void SCR_UpdateScreen (void); void SCR_SizeUp (void);void SCR_SizeDown (void);void SCR_BringDownConsole (void);void SCR_CenterPrint (char *str); void SCR_BeginLoadingPlaque (void);void SCR_EndLoadingPlaque (void); int SCR_ModalMessage (char *text); extern float scr_con_current;extern float scr_conlines; // lines of console to display extern int scr_fullupdate; // set to 0 to force full redrawextern int sb_lines; extern int clearnotify; // set to 0 whenever notify text is drawnextern bool scr_disabled_for_loading;extern bool scr_skipupdate; extern cvar_t scr_viewsize; extern cvar_t scr_viewsize; // only the refresh window will be updated unless these variables are flaggedextern int scr_copytop;extern int scr_copyeverything; extern bool block_drawing; void SCR_UpdateWholeScreen (void);