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Old October 9, 2017, 12:13   #26
Gwarl
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Join Date: Jan 2017
Posts: 590
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Okay after all my complaining it's finally up!

here's the altered main-gcu.c


Code:
/* File: main-gcu.c */

/*
 * Copyright (c) 1997 Ben Harrison, and others
 *
 * This software may be copied and distributed for educational, research,
 * and not for profit purposes provided that this copyright and statement
 * are included in all such copies.
 */


/*
 * This file helps Angband run on Unix/Curses machines.
 *
 *
 * To use this file, you must define "USE_GCU" in the Makefile.
 *
 *
 * Note that this file is not "intended" to support non-Unix machines,
 * nor is it intended to support VMS or other bizarre setups.
 *
 * Also, this package assumes that the underlying "curses" handles both
 * the "nonl()" and "cbreak()" commands correctly, see the "OPTION" below.
 *
 * This code should work with most versions of "curses" or "ncurses",
 * and the "main-ncu.c" file (and USE_NCU define) are no longer used.
 *
 * This file provides up to 4 term windows.
 *
 * This file will attempt to redefine the screen colors to conform to
 * standard Angband colors.  It will only do so if the terminal type
 * indicates that it can do so.  See the page:
 *
 *     http://www.umr.edu/~keldon/ang-patch/ncurses_color.html
 *
 * for information on this.
 *
 * Consider the use of "savetty()" and "resetty()".  XXX XXX XXX
 */

#include "main.h"
#include "util.h"
#include "variable.h"


#include <limits.h>

/*
 * Hack -- play games with "bool" and "term"
 */
#undef bool

/* Avoid 'struct term' name conflict with <curses.h> (via <term.h>) on AIX */
#define term System_term

/*
 * Include the proper "header" file
 */
#ifdef USE_NCURSES
# include <ncurses.h>
#else
# include <curses.h>
#endif

#undef term

/*
 * Try redefining the colors at startup.
 */
#define REDEFINE_COLORS


/*
 * Hack -- try to guess which systems use what commands
 * Hack -- allow one of the "USE_Txxxxx" flags to be pre-set.
 * Mega-Hack -- try to guess when "POSIX" is available.
 * If the user defines two of these, we will probably crash.
 */
#if !defined(USE_TPOSIX)
# if !defined(USE_TERMIO) && !defined(USE_TCHARS)
# if defined(_POSIX_VERSION)
# define USE_TPOSIX
# else
# if defined(linux)
# define USE_TERMIO
# else
# define USE_TCHARS
# endif
# endif
# endif
#endif

/*
 * POSIX stuff
 */
#ifdef USE_TPOSIX
# include <sys/ioctl.h>
# include <termios.h>
#endif

/*
 * One version needs these files
 */
#ifdef USE_TERMIO
# include <sys/ioctl.h>
# include <termio.h>
#endif

/*
 * The other needs these files
 */
#ifdef USE_TCHARS
# include <sys/ioctl.h>
# include <sys/resource.h>
# include <sys/param.h>
# include <sys/file.h>
#endif

#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <dirent.h>



/*
 * XXX XXX Hack -- POSIX uses "O_NONBLOCK" instead of "O_NDELAY"
 *
 * They should both work due to the "(i != 1)" test below.
 */
#ifndef O_NDELAY
# define O_NDELAY O_NONBLOCK
#endif


/*
 * OPTION: some machines lack "cbreak()"
 * On these machines, we use an older definition
 */
/* #define cbreak() crmode() */


/*
 * OPTION: some machines cannot handle "nonl()" and "nl()"
 * On these machines, we can simply ignore those commands.
 */
/* #define nonl() */
/* #define nl() */


/*
 * Save the "normal" and "angband" terminal settings
 */

#ifdef USE_TPOSIX

static struct termios norm_termios;

static struct termios game_termios;

#endif

#ifdef USE_TERMIO

static struct termio norm_termio;

static struct termio game_termio;

#endif

#ifdef USE_TCHARS

static struct ltchars norm_special_chars;
static struct sgttyb norm_ttyb;
static struct tchars norm_tchars;
static int norm_local_chars;

static struct ltchars game_special_chars;
static struct sgttyb game_ttyb;
static struct tchars game_tchars;
static int game_local_chars;

#endif

/*
 * Information about a term
 */
typedef struct term_data term_data;

struct term_data
{
	term t;                  /* All term info */

	WINDOW *win;             /* Pointer to the curses window */
};

/* Max number of windows on screen */
#define MAX_TERM_DATA 4

/* Information about our windows */
static term_data data[MAX_TERM_DATA];


/*
 * Hack -- Number of initialized "term" structures
 */
static int active = 0;


#ifdef A_COLOR

/*
 * Hack -- define "A_BRIGHT" to be "A_BOLD", because on many
 * machines, "A_BRIGHT" produces ugly "inverse" video.
 */
#ifndef A_BRIGHT
# define A_BRIGHT A_BOLD
#endif

/*
 * Software flag -- we are allowed to use color
 */
static int can_use_color = FALSE;

/*
 * Software flag -- we are allowed to change the colors
 */
static int can_fix_color = FALSE;

/*
 * Simple Angband to Curses color conversion table
 */
static int colortable[16];

/**
 * Background color we should draw with; either BLACK or DEFAULT
 */
static int bg_color = COLOR_BLACK;

#endif



/*
 * Place the "keymap" into its "normal" state
 */
static void keymap_norm(void)
{

#ifdef USE_TPOSIX

	/* restore the saved values of the special chars */
	(void)tcsetattr(0, TCSAFLUSH, &norm_termios);

#endif

#ifdef USE_TERMIO

	/* restore the saved values of the special chars */
	(void)ioctl(0, TCSETA, (char *)&norm_termio);

#endif

#ifdef USE_TCHARS

	/* restore the saved values of the special chars */
	(void)ioctl(0, TIOCSLTC, (char *)&norm_special_chars);
	(void)ioctl(0, TIOCSETP, (char *)&norm_ttyb);
	(void)ioctl(0, TIOCSETC, (char *)&norm_tchars);
	(void)ioctl(0, TIOCLSET, (char *)&norm_local_chars);

#endif

}


/*
 * Place the "keymap" into the "game" state
 */
static void keymap_game(void)
{

#ifdef USE_TPOSIX

	/* restore the saved values of the special chars */
	(void)tcsetattr(0, TCSAFLUSH, &game_termios);

#endif

#ifdef USE_TERMIO

	/* restore the saved values of the special chars */
	(void)ioctl(0, TCSETA, (char *)&game_termio);

#endif

#ifdef USE_TCHARS

	/* restore the saved values of the special chars */
	(void)ioctl(0, TIOCSLTC, (char *)&game_special_chars);
	(void)ioctl(0, TIOCSETP, (char *)&game_ttyb);
	(void)ioctl(0, TIOCSETC, (char *)&game_tchars);
	(void)ioctl(0, TIOCLSET, (char *)&game_local_chars);

#endif

}


/*
 * Save the normal keymap
 */
static void keymap_norm_prepare(void)
{

#ifdef USE_TPOSIX

	/* Get the normal keymap */
	tcgetattr(0, &norm_termios);

#endif

#ifdef USE_TERMIO

	/* Get the normal keymap */
	(void)ioctl(0, TCGETA, (char *)&norm_termio);

#endif

#ifdef USE_TCHARS

	/* Get the normal keymap */
	(void)ioctl(0, TIOCGETP, (char *)&norm_ttyb);
	(void)ioctl(0, TIOCGLTC, (char *)&norm_special_chars);
	(void)ioctl(0, TIOCGETC, (char *)&norm_tchars);
	(void)ioctl(0, TIOCLGET, (char *)&norm_local_chars);

#endif

}


/*
 * Save the keymaps (normal and game)
 */
static void keymap_game_prepare(void)
{

#ifdef USE_TPOSIX

	/* Acquire the current mapping */
	tcgetattr(0, &game_termios);

	/* Force "Ctrl-C" to interupt */
	game_termios.c_cc[VINTR] = (char)3;

	/* Force "Ctrl-Z" to suspend */
	game_termios.c_cc[VSUSP] = (char)26;

	/* Hack -- Leave "VSTART/VSTOP" alone */

	/* Disable the standard control characters */
	game_termios.c_cc[VQUIT] = (char) - 1;
	game_termios.c_cc[VERASE] = (char) - 1;
	game_termios.c_cc[VKILL] = (char) - 1;
	game_termios.c_cc[VEOF] = (char) - 1;
	game_termios.c_cc[VEOL] = (char) - 1;

	/* Normally, block until a character is read */
	game_termios.c_cc[VMIN] = 1;
	game_termios.c_cc[VTIME] = 0;

#endif

#ifdef USE_TERMIO

	/* Acquire the current mapping */
	(void)ioctl(0, TCGETA, (char *)&game_termio);

	/* Force "Ctrl-C" to interupt */
	game_termio.c_cc[VINTR] = (char)3;

	/* Force "Ctrl-Z" to suspend */
	game_termio.c_cc[VSUSP] = (char)26;

	/* Hack -- Leave "VSTART/VSTOP" alone */

	/* Disable the standard control characters */
	game_termio.c_cc[VQUIT] = (char) - 1;
	game_termio.c_cc[VERASE] = (char) - 1;
	game_termio.c_cc[VKILL] = (char) - 1;
	game_termio.c_cc[VEOF] = (char) - 1;
	game_termio.c_cc[VEOL] = (char) - 1;

	/* Normally, block until a character is read */
	game_termio.c_cc[VMIN] = 1;
	game_termio.c_cc[VTIME] = 0;

#endif

#ifdef USE_TCHARS

	/* Get the default game characters */
	(void)ioctl(0, TIOCGETP, (char *)&game_ttyb);
	(void)ioctl(0, TIOCGLTC, (char *)&game_special_chars);
	(void)ioctl(0, TIOCGETC, (char *)&game_tchars);
	(void)ioctl(0, TIOCLGET, (char *)&game_local_chars);

	/* Force suspend (^Z) */
	game_special_chars.t_suspc = (char)26;

	/* Cancel some things */
	game_special_chars.t_dsuspc = (char) - 1;
	game_special_chars.t_rprntc = (char) - 1;
	game_special_chars.t_flushc = (char) - 1;
	game_special_chars.t_werasc = (char) - 1;
	game_special_chars.t_lnextc = (char) - 1;

	/* Force interupt (^C) */
	game_tchars.t_intrc = (char)3;

	/* Force start/stop (^Q, ^S) */
	game_tchars.t_startc = (char)17;
	game_tchars.t_stopc = (char)19;

	/* Cancel some things */
	game_tchars.t_quitc = (char) - 1;
	game_tchars.t_eofc = (char) - 1;
	game_tchars.t_brkc = (char) - 1;

#endif

}




/*
 * Suspend/Resume
 */
static errr Term_xtra_gcu_alive(int v)
{
	int x, y;


	/* Suspend */
	if (!v)
	{
		/* Go to normal keymap mode */
		keymap_norm();

		/* Restore modes */
		noraw();
		echo();
		nl();

		/* Hack -- make sure the cursor is visible */
		Term_xtra(TERM_XTRA_SHAPE, 1);

		/* Flush the curses buffer */
		(void)refresh();

		/* Get current cursor position */
		getyx(curscr, y, x);

		/* Move the cursor to bottom right corner */
		mvcur(y, x, LINES - 1, 0);

		/* Exit curses */
		endwin();

		/* Flush the output */
		(void)fflush(stdout);
	}

	/* Resume */
	else
	{
		/* Refresh */
		/* (void)touchwin(curscr); */
		/* (void)wrefresh(curscr); */

		/* Restore the settings */
		raw();
		noecho();
		nonl();

		/* Go to angband keymap mode */
		keymap_game();
	}

	/* Success */
	return (0);
}


/*
 * Init the "curses" system
 */
static void Term_init_gcu(term *t)
{
	term_data *td = (term_data *)(t->data);

	/* Count init's, handle first */
	if (active++ != 0) return;

	/* Erase the window */
	(void)wclear(td->win);

	/* Reset the cursor */
	(void)wmove(td->win, 0, 0);

	/* Flush changes */
	(void)wrefresh(td->win);

	/* Game keymap */
	keymap_game();
}


/*
 * Nuke the "curses" system
 */
static void Term_nuke_gcu(term *t)
{
	int x, y;
	term_data *td = (term_data *)(t->data);

	/* Delete this window */
	delwin(td->win);

	/* Count nuke's, handle last */
	if (--active != 0) return;

	/* Hack -- make sure the cursor is visible */
	Term_xtra(TERM_XTRA_SHAPE, 1);

#ifdef A_COLOR
	/* Reset colors to defaults */
	start_color();
#endif

	/* Get current cursor position */
	getyx(curscr, y, x);

	/* Move the cursor to bottom right corner */
	mvcur(y, x, LINES - 1, 0);

	/* Flush the curses buffer */
	(void)refresh();

	/* Exit curses */
	endwin();

	/* Flush the output */
	(void)fflush(stdout);

	/* Normal keymap */
	keymap_norm();
}


/*
* Process events (with optional wait)
*/
static errr Term_xtra_gcu_event(int v)
{
	int i, k;

	char buf[2];

	/* Wait */
	if (v)
	{
		/* Wait for one byte */
		i = read(0, buf, 1);

		/* Hack -- Handle bizarre "errors" */
		if ((i <= 0) && (errno != EINTR)) abort();
	}

	/* Do not wait */
	else
	{
		/* Get the current flags for stdin */
		k = fcntl(0, F_GETFL, 0);

		/* Oops */
		if (k < 0) return (1);

		/* Tell stdin not to block */
		if (fcntl(0, F_SETFL, k | O_NDELAY) < 0) return (1);

		/* Read one byte, if possible */
		i = read(0, buf, 1);

		/* Replace the flags for stdin */
		if (fcntl(0, F_SETFL, k)) return (1);
	}

	/* Ignore "invalid" keys */
	if ((i != 1) || (!buf[0])) return (1);

	/* Enqueue the keypress */
	Term_keypress(buf[0]);

	/* Success */
	return (0);
}

static int scale_color(int i, int j, int scale)
{
    return (angband_color_table[i][j] * (scale - 1) + 127) / 255;
}

static int create_color(int i, int scale)
{
    int r = scale_color(i, 1, scale);
    int g = scale_color(i, 2, scale);
    int b = scale_color(i, 3, scale);
    int rgb = 16 + scale * scale * r + scale * g + b;
    /* In the case of white and black we need to use the ANSI colors */
    if (r == g && g == b)
    {
        if (b == 0) rgb = 0;
        if (b == scale) rgb = 15;
    }
    return rgb;
}

/*
 * React to changes
 */
static errr Term_xtra_gcu_react(void)
{

#ifdef A_COLOR
    if (COLORS == 256 || COLORS == 88)
    {
        /* CTK: I snagged this color handling from current Vanilla */
        /* If we have more than 16 colors, find the best matches. These numbers
        * correspond to xterm/rxvt's builtin color numbers--they do not
        * correspond to curses' constants OR with curses' color pairs.
        *
        * XTerm has 216 (6*6*6) RGB colors, with each RGB setting 0-5.
        * RXVT has 64 (4*4*4) RGB colors, with each RGB setting 0-3.
        *
        * Both also have the basic 16 ANSI colors, plus some extra grayscale
        * colors which we do not use.
        */
        int i;
        int scale = COLORS == 256 ? 6 : 4;
        for (i = 0; i < 16; i++)
        {
            int fg = create_color(i, scale);
            init_pair(i + 1, fg, bg_color);
            colortable[i] = COLOR_PAIR(i + 1) | A_NORMAL;
        }
    }

#endif

	/* Success */
	return (0);
}


/*
 * Handle a "special request"
 */
static errr Term_xtra_gcu(int n, int v)
{
	term_data *td = (term_data *)(Term->data);

	/* Analyze the request */
	switch (n)
	{
		/* Clear screen */
	case TERM_XTRA_CLEAR:
		touchwin(td->win);
		(void)wclear(td->win);
		return (0);

		/* Make a noise */
	case TERM_XTRA_NOISE:
		(void)write(1, "\007", 1);
		return (0);

		/* Flush the Curses buffer */
	case TERM_XTRA_FRESH:
		(void)wrefresh(td->win);
		return (0);


		/* Suspend/Resume curses */
	case TERM_XTRA_ALIVE:
		return (Term_xtra_gcu_alive(v));

		/* Process events */
	case TERM_XTRA_EVENT:
		return (Term_xtra_gcu_event(v));

		/* Flush events */
	case TERM_XTRA_FLUSH:
		while (!Term_xtra_gcu_event(FALSE));
		return (0);

		/* React to events */
	case TERM_XTRA_REACT:
		Term_xtra_gcu_react();
		return (0);
	}

	/* Unknown */
	return (1);
}


/*
 * Actually MOVE the hardware cursor
 */
static errr Term_curs_gcu(int x, int y)
{
	term_data *td = (term_data *)(Term->data);

	/* Literally move the cursor */
	wmove(td->win, y, x);

	/* Success */
	return (0);
}


/*
 * Place some text on the screen using an attribute
 */
static errr Term_text_gcu(int x, int y, int n, byte a, cptr s)
{
	term_data *td = (term_data *)(Term->data);

	int i;

#ifdef A_COLOR
	/* Set the color */
	if (can_use_color) wattrset(td->win, colortable[a & 0x0F]);
#endif

	/* Move the cursor */
	wmove(td->win, y, x);

	/* Draw each character */
	for (i = 0; i < n; i++)
	{

		/* Draw a normal character */
		waddch(td->win, (byte)s[i]);
	}

	/* Success */
	return (0);
}


/*
 * Create a window for the given "term_data" argument.
 *
 * Assumes legal arguments.
 */
static errr term_data_init_gcu(term_data *td, int rows, int cols, int y, int x)
{
	term *t = &td->t;

	/* Create new window */
	td->win = newwin(rows, cols, y, x);

	/* Check for failure */
	if (!td->win)
	{
		/* Error */
		quit("Failed to setup curses window.");
	}

	/* Initialize the term */
	term_init(t, cols, rows, 256);

	/* Avoid bottom right corner */
	t->icky_corner = TRUE;

	/* Set some hooks */
	t->init_hook = Term_init_gcu;
	t->nuke_hook = Term_nuke_gcu;

	/* Set some more hooks */
	t->text_hook = Term_text_gcu;
	t->curs_hook = Term_curs_gcu;
	t->xtra_hook = Term_xtra_gcu;

	/* Save the data */
	t->data = td;

	/* Activate it */
	Term_activate(t);

	/* Success */
	return (0);
}


static void hook_quit(cptr str)
{
	/* Unused */
	(void)str;

	/* Exit curses */
	endwin();
}


/*
 * Prepare "curses" for use by the file "z-term.c"
 *
 * Installs the "hook" functions defined above, and then activates
 * the main screen "term", which clears the screen and such things.
 *
 * Someone should really check the semantics of "initscr()"
 */
int init_gcu(int argc, char **argv)
{
	int i;

	int num_term = MAX_TERM_DATA, next_win = 0;

	bool_ use_big_screen = FALSE;


	/* Parse args */
	for (i = 1; i < argc; i++)
	{
		if (prefix(argv[i], "-b"))
		{
			use_big_screen = TRUE;
			continue;
		}

		fprintf(stderr, "Ignoring option: %s", argv[i]);
	}


	/* Extract the normal keymap */
	keymap_norm_prepare();


/* Initialize for other systems */
	if (initscr() == (WINDOW*)ERR) return ( -1);

	/* Activate hooks */
	quit_aux = hook_quit;

	/* Require standard size screen */
	if ((LINES < 24) || (COLS < 80))
	{
		quit("Angband needs at least an 80x24 'curses' screen");
	}



#ifdef A_COLOR

	/*** Init the Color-pairs and set up a translation table ***/

	/* Do we have color, and enough color, available? */
	can_use_color = ((start_color() != ERR) && has_colors() &&
	                 (COLORS >= 8) && (COLOR_PAIRS >= 8));

#ifdef REDEFINE_COLORS

	/* Can we change colors? */
	can_fix_color = (can_use_color && can_change_color() &&
	                 (COLORS >= 16) && (COLOR_PAIRS > 8));

#endif

	/* Attempt to use customized colors */
	if (can_fix_color)
	{
		/* Prepare the color pairs */
		for (i = 1; i <= 8; i++)
		{
			/* Reset the color */
			if (init_pair(i, i - 1, 0) == ERR)
			{
				quit("Color pair init failed");
			}

			/* Set up the colormap */
			colortable[i - 1] = (COLOR_PAIR(i) | A_NORMAL);
			colortable[i + 7] = (COLOR_PAIR(i) | A_BRIGHT);
		}

		/* Take account of "gamma correction" XXX XXX XXX */

		/* Prepare the "Angband Colors" */
		Term_xtra_gcu_react();
	}

	/* Attempt to use colors */
	else if (can_use_color)
	{
		/* Color-pair 0 is *always* WHITE on BLACK */

		/* Prepare the color pairs */
		init_pair(1, COLOR_RED, COLOR_BLACK);
		init_pair(2, COLOR_GREEN, COLOR_BLACK);
		init_pair(3, COLOR_YELLOW, COLOR_BLACK);
		init_pair(4, COLOR_BLUE, COLOR_BLACK);
		init_pair(5, COLOR_MAGENTA, COLOR_BLACK);
		init_pair(6, COLOR_CYAN, COLOR_BLACK);
		init_pair(7, COLOR_BLACK, COLOR_BLACK);

		/* Prepare the "Angband Colors" -- Bright white is too bright */
		colortable[0] = (COLOR_PAIR(7) | A_NORMAL); 	/* Black */
		colortable[1] = (COLOR_PAIR(0) | A_NORMAL); 	/* White */
		colortable[2] = (COLOR_PAIR(6) | A_NORMAL); 	/* Grey XXX */
		colortable[3] = (COLOR_PAIR(1) | A_BRIGHT); 	/* Orange XXX */
		colortable[4] = (COLOR_PAIR(1) | A_NORMAL); 	/* Red */
		colortable[5] = (COLOR_PAIR(2) | A_NORMAL); 	/* Green */
		colortable[6] = (COLOR_PAIR(4) | A_NORMAL); 	/* Blue */
		colortable[7] = (COLOR_PAIR(3) | A_NORMAL); 	/* Umber */
		colortable[8] = (COLOR_PAIR(7) | A_BRIGHT); 	/* Dark-grey XXX */
		colortable[9] = (COLOR_PAIR(6) | A_BRIGHT); 	/* Light-grey XXX */
		colortable[10] = (COLOR_PAIR(5) | A_NORMAL); 	/* Purple */
		colortable[11] = (COLOR_PAIR(3) | A_BRIGHT); 	/* Yellow */
		colortable[12] = (COLOR_PAIR(5) | A_BRIGHT); 	/* Light Red XXX */
		colortable[13] = (COLOR_PAIR(2) | A_BRIGHT); 	/* Light Green */
		colortable[14] = (COLOR_PAIR(4) | A_BRIGHT); 	/* Light Blue */
		colortable[15] = (COLOR_PAIR(3) | A_NORMAL); 	/* Light Umber XXX */
	}

#endif


	/*** Low level preparation ***/


	/* Prepare */
	raw();
	noecho();
	nonl();

	/* Extract the game keymap */
	keymap_game_prepare();


	/*** Now prepare the term(s) ***/

	/* Big screen -- one big term */
	if (use_big_screen)
	{
		/* Create a term */
		term_data_init_gcu(&data[0], LINES, COLS, 0, 0);

		/* Remember the term */
		angband_term[0] = &data[0].t;
	}

	/* No big screen -- create as many term windows as possible */
	else
	{
		/* Create several terms */
		for (i = 0; i < num_term; i++)
		{
			int rows, cols, y, x;

			/* Decide on size and position */
			switch (i)
			{
				/* Upper left */
			case 0:
				{
					rows = 24;
					cols = 80;
					y = x = 0;
					break;
				}

				/* Lower left */
			case 1:
				{
					rows = LINES - 25;
					cols = 80;
					y = 25;
					x = 0;
					break;
				}

				/* Upper right */
			case 2:
				{
					rows = 24;
					cols = COLS - 81;
					y = 0;
					x = 81;
					break;
				}

				/* Lower right */
			case 3:
				{
					rows = LINES - 25;
					cols = COLS - 81;
					y = 25;
					x = 81;
					break;
				}

				/* XXX */
			default:
				{
					rows = cols = y = x = 0;
					break;
				}
			}

			/* Skip non-existant windows */
			if (rows <= 0 || cols <= 0) continue;

			/* Create a term */
			term_data_init_gcu(&data[next_win], rows, cols, y, x);

			/* Remember the term */
			angband_term[next_win] = &data[next_win].t;

			/* One more window */
			next_win++;
		}
	}

	/* Activate the "Angband" window screen */
	Term_activate(&data[0].t);

	/* Remember the active screen */
	term_screen = &data[0].t;

	/* Success */
	return (0);
}

int main(int argc, char *argv[])
{
	return main_real(
		argc,
		argv,
		"gcu",
		init_gcu,
		"  -- -b              Requests big screen\n");
}
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