ftp.nice.ch/pub/next/games/card/Cribbage.1.1.s.tar.gz#/Cribbage/Cribbage-1.1/cards.c

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/*
 * Copyright (c) 1980 Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that this notice is preserved and that due credit is given
 * to the University of California at Berkeley. The name of the University
 * may not be used to endorse or promote products derived from this
 * software without specific prior written permission. This software
 * is provided ``as is'' without express or implied warranty.
 */

#ifndef lint
static char sccsid[] = "@(#)cards.c	5.2 (Berkeley) 3/10/88";
#endif /* not lint */

/* #include	<stdio.h> */
#include	"deck.h"

#ifndef TRUE
#	define		TRUE		1
#	define		FALSE		0
#endif


/*
 * initialize a deck of cards to contain one of each type
 */

void makedeck( d )

    CARD	d[];
{
	register  int		i, j, k;
	long			time();

	i = time( (long *) 0 );
	i = ( (i&0xff) << 8 ) | ( (i >> 8)&0xff ) | 1;
	srand( i );
	k = 0;
	for( i = 0; i < RANKS; i++ )  {
	    for( j = 0; j < SUITS; j++ )  {
		d[k].suit = j;
		d[k++].rank = i;
	    }
	}
}



/*
 * return true if the two cards are equal...
 */

BOOLEAN eq( a, b )

    CARD		a, b;
{
	return(  ( a.rank == b.rank )  &&  ( a.suit == b.suit )  );
}



/*
 * isone returns TRUE if a is in the set of cards b
 */

BOOLEAN isone( a, b, n )

    CARD		a, b[];
    int			n;
{
	register  int		i;

	for( i = 0; i < n; i++ )  {
	    if(  eq( a, b[i] )   )  return( TRUE );
	}
	return( FALSE );
}



/*
 * remove the card a from the deck d of n cards
 */

void remove_card( a, d, n )

    CARD		a, d[];
    int			n;
{
	register  int		i, j;

	j = 0;
	for( i = 0; i < n; i++ )  {
	    if(  !eq( a, d[i] )  )  d[j++] = d[i];
	}
	if(  j < n  )  d[j].suit = d[j].rank = EMPTY;
}



/*
 * sorthand:
 *	Sort a hand of n cards
 */
sorthand(h, n)
register CARD		h[];
int			n;
{
	register CARD		*cp, *endp;
	CARD			c;

	for (endp = &h[n]; h < endp - 1; h++)
	    for (cp = h + 1; cp < endp; cp++)
		if ((cp->rank < h->rank) ||
		     (cp->rank == h->rank && cp->suit < h->suit)) {
		    c = *h;
		    *h = *cp;
		    *cp = c;
		}
}

These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.