/* screen.c */
void update_screenline __PARMS((void));
void redraw_later __PARMS((int type));
void redraw_all_later __PARMS((int type));
void redraw_curbuf_later __PARMS((int type));
void update_curbuf __PARMS((int type));
void update_screen __PARMS((int type));
void updateWindow __PARMS((WIN *wp));
void update_other_win __PARMS((void));
void status_redraw_all __PARMS((void));
void win_redr_status __PARMS((WIN *wp));
void screen_putchar __PARMS((int c, int row, int col, int attr));
void screen_puts __PARMS((char_u *text, int row, int col, int attr));
void screen_start __PARMS((void));
void screen_down __PARMS((void));
void screen_stop_highlight __PARMS((void));
void screen_fill __PARMS((int start_row, int end_row, int start_col, int end_col, int c1, int c2, int attr));
void screenalloc __PARMS((int clear));
void screenclear __PARMS((void));
void update_topline_redraw __PARMS((void));
void update_topline __PARMS((void));
void update_curswant __PARMS((void));
void windgoto __PARMS((int row, int col));
void setcursor __PARMS((void));
void scroll_cursor_top __PARMS((int min_scroll, int always));
void scroll_cursor_bot __PARMS((int min_scroll, int set_topbot));
void scroll_cursor_halfway __PARMS((int atend));
void cursor_correct __PARMS((void));
void changed_cline_bef_curs __PARMS((void));
void changed_cline_aft_curs __PARMS((void));
void changed_line_abv_curs __PARMS((void));
void set_topline __PARMS((WIN *wp, linenr_t lnum));
void validate_botline __PARMS((void));
void invalidate_botline __PARMS((void));
void invalidate_botline_win __PARMS((WIN *wp));
void approximate_botline __PARMS((void));
int botline_valid __PARMS((void));
int botline_approximated __PARMS((void));
int cursor_valid __PARMS((void));
void validate_cursor __PARMS((void));
void validate_cline_row __PARMS((void));
int may_validate_crow __PARMS((void));
void validate_virtcol __PARMS((void));
void validate_cheight __PARMS((void));
void validate_cursor_col __PARMS((void));
void curs_columns __PARMS((int scroll));
void scrolldown __PARMS((long line_count));
void scrollup __PARMS((long line_count));
void scrolldown_clamp __PARMS((void));
void scrollup_clamp __PARMS((void));
int win_ins_lines __PARMS((WIN *wp, int row, int line_count, int invalid, int mayclear));
int win_del_lines __PARMS((WIN *wp, int row, int line_count, int invalid, int mayclear));
void win_rest_invalid __PARMS((WIN *wp));
int screen_del_lines __PARMS((int off, int row, int line_count, int end, int force));
int showmode __PARMS((void));
void unshowmode __PARMS((int force));
void showruler __PARMS((int always));
void check_for_delay __PARMS((int check_msg_scroll));
int screen_valid __PARMS((int clear));
int jump_to_mouse __PARMS((int flags, int *inclusive));
int redrawing __PARMS((void));
int messaging __PARMS((void));
int onepage __PARMS((int dir, long count));
void halfpage __PARMS((int flag, linenr_t Prenum));
void do_intro __PARMS((void));