scbuf.h

#ifndef _SCBUF_H_
#define _SCBUF_H_

#include <stdio.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <locale.h>
#include <wchar.h>
#include "rterm.h"

#define HOR_LINE 9472
#define VER_LINE 9474
#define UPPER_LEFT_CORNER 9484
#define LOWER_LEFT_CORNER 9492
#define UPPER_RIGHT_CORNER 9488
#define LOWER_RIGHT_CORNER 9496
#define UNICODEBAR1 0x2592

typedef struct _screencell {
	int index;
	char backColor;
	char foreColor;
	unsigned char toUpdate;
	//int char attrib; 
	wchar_t ch;
	struct _screencell *next;
} SCREENCELL;

/* Adapted from Kernighan and Pike's "The Practice of Programming"  pp.46 et 
seq. (Addison-Wesley 1999) - computerPhile */

// create new list element of type SCREENCELL from the supplied text string
SCREENCELL *newelement(SCREENCELL temp);
SCREENCELL *addfront(SCREENCELL * head, SCREENCELL * newp);
SCREENCELL *addend(SCREENCELL * head, SCREENCELL * newp);
void deleteList(SCREENCELL ** head);
int length(SCREENCELL ** head);
void reindex(SCREENCELL ** head);
//SCREEN BUFFER ROUTINES
int create_screen(SCREENCELL ** newScreen);
void update_ch(int x, int y, wchar_t ch, char backcolor, char forecolor);
void update_screen(SCREENCELL * newScreen);
void dump_screen(SCREENCELL * newScreen);
void write_ch(SCREENCELL * newScreen, int x, int y, wchar_t ch, char backcolor,
	      char forecolor, _Bool raw);
wchar_t read_char(SCREENCELL * newScreen, int x, int y);
SCREENCELL read_cell(SCREENCELL * newScreen, int x, int y);
void write_str(SCREENCELL * newScreen, int x, int y, char *str, char backcolor,
	       char forecolor, _Bool raw);
int write_num(SCREENCELL * newScreen, int x, int y, int num, char backcolor,
	      char forecolor, _Bool raw);
void screen_color(SCREENCELL * newScreen, char bcolor, char fcolor, wchar_t ch);
void copy_screen(SCREENCELL * destination, SCREENCELL * source);
void xor_update(SCREENCELL * screen1, SCREENCELL * screen2);
void xor_copy(SCREENCELL * screen1, SCREENCELL * screen2);
void draw_window(SCREENCELL * newScreen, int x1, int y1, int x2, int y2,
		 int backcolor, int bordercolor, int titlecolor, _Bool border,
		 _Bool title, _Bool shadow, _Bool raw);
#endif