#ifndef LINE_ED_INPUT_H_ #define LINE_ED_INPUT_H_ struct line_ed; extern void put_char(struct line_ed *ed, char c); extern void backspace(struct line_ed *ed); extern void cursor_left(struct line_ed *ed); extern void cursor_right(struct line_ed *ed); extern void arrow_up(struct line_ed *ed); extern void arrow_down(struct line_ed *ed); #endif