void unblank_screen(void);
void poke_blanked_console(void);
int con_font_op(int currcons, struct console_font_op *op);
-int con_font_set(int currcons, struct console_font_op *op);
-int con_font_get(int currcons, struct console_font_op *op);
-int con_font_default(int currcons, struct console_font_op *op);
-int con_font_copy(int currcons, struct console_font_op *op);
int con_set_cmap(unsigned char __user *cmap);
int con_get_cmap(unsigned char __user *cmap);
void scrollback(int);