fix main() prototype, as per PR#5867

[bsdgames-darwin.git] / worm / worm.c

diff --git a/worm/worm.c b/worm/worm.c
index 05671d4964518e2ba3dab60f114bd66728c9e393..0a7b96ef5eed80a50720a67191509af280a387df 100644 (file)
--- a/worm/worm.c
+++ b/worm/worm.c
@@ -1,6 +1,8 @@
+/*     $NetBSD: worm.c,v 1.8 1997/10/12 02:12:48 lukem Exp $   */
+
 /*
- * Copyright (c) 1980 Regents of the University of California.
- * All rights reserved.
+ * Copyright (c) 1980, 1993
+ *     The Regents of the University of California.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -31,15 +33,18 @@
  * SUCH DAMAGE.
  */
 
+#include <sys/cdefs.h>
 #ifndef lint
-char copyright[] =
-"@(#) Copyright (c) 1980 Regents of the University of California.\n\
- All rights reserved.\n";
+__COPYRIGHT("@(#) Copyright (c) 1980, 1993\n\
+       The Regents of the University of California.  All rights reserved.\n");
 #endif /* not lint */
 
 #ifndef lint
-/*static char sccsid[] = "from: @(#)worm.c     5.8 (Berkeley) 2/28/91";*/
-static char rcsid[] = "$Id: worm.c,v 1.3 1993/08/10 02:05:36 mycroft Exp $";
+#if 0
+static char sccsid[] = "@(#)worm.c     8.1 (Berkeley) 5/31/93";
+#else
+__RCSID("$NetBSD: worm.c,v 1.8 1997/10/12 02:12:48 lukem Exp $");
+#endif
 #endif /* not lint */
 
 /*
@@ -50,18 +55,16 @@ static char rcsid[] = "$Id: worm.c,v 1.3 1993/08/10 02:05:36 mycroft Exp $";
 #include <ctype.h>
 #include <curses.h>
 #include <signal.h>
+#include <stdlib.h>
+#include <termios.h>
+#include <unistd.h>
 
 #define newlink() (struct body *) malloc(sizeof (struct body));
 #define HEAD '@'
 #define BODY 'o'
 #define LENGTH 7
 #define RUNLEN 8
-#define when break;case
-#define otherwise break;default
 #define CNTRL(p) (p-'A'+1)
-#ifndef baudrate
-# define       baudrate()      _tty.sg_ospeed
-#endif
 
 WINDOW *tv;
 WINDOW *stw;
@@ -79,8 +82,20 @@ int start_len = LENGTH;
 char lastch;
 char outbuf[BUFSIZ];
 
-void leave(), wake(), suspend();
+void   crash __P((void));
+void   display __P((struct body *, char));
+int    main __P((int, char **));
+void   leave __P((int));
+void   life __P((void));
+void   newpos __P((struct body *));
+void   process __P((char));
+void   prize __P((void));
+int    rnd __P((int));
+void   setup __P((void));
+void   suspend __P((int));
+void   wake __P((int));
 
+int
 main(argc, argv)
        int argc;
        char **argv;
@@ -130,11 +145,13 @@ main(argc, argv)
        }
 }
 
+void
 life()
 {
-       register struct body *bp, *np;
-       register int i;
+       struct body *bp, *np;
+       int i;
 
+       np = NULL;
        head = newlink();
        head->x = start_len+2;
        head->y = 12;
@@ -152,36 +169,42 @@ life()
        tail->prev = NULL;
 }
 
+void
 display(pos, chr)
-struct body *pos;
-char chr;
+       struct body *pos;
+       char chr;
 {
        wmove(tv, pos->y, pos->x);
        waddch(tv, chr);
 }
 
 void
-leave()
+leave(dummy)
+       int dummy;
 {
        endwin();
        exit(0);
 }
 
 void
-wake()
+wake(dummy)
+       int dummy;
 {
        signal(SIGALRM, wake);
        fflush(stdout);
        process(lastch);
 }
 
+int
 rnd(range)
+       int range;
 {
        return abs((rand()>>5)+(rand()>>5)) % range;
 }
 
+void
 newpos(bp)
-struct body * bp;
+       struct body * bp;
 {
        do {
                bp->y = rnd(LINES-3)+ 2;
@@ -190,6 +213,7 @@ struct body * bp;
        } while(winch(tv) != ' ');
 }
 
+void
 prize()
 {
        int value;
@@ -200,10 +224,11 @@ prize()
        wrefresh(tv);
 }
 
+void
 process(ch)
-char ch;
+       char ch;
 {
-       register int x,y;
+       int x,y;
        struct body *nh;
 
        alarm(0);
@@ -211,19 +236,19 @@ char ch;
        y = head->y;
        switch(ch)
        {
-               when 'h': x--;
-               when 'j': y++;
-               when 'k': y--;
-               when 'l': x++;
-               when 'H': x--; running = RUNLEN; ch = tolower(ch);
-               when 'J': y++; running = RUNLEN/2; ch = tolower(ch);
-               when 'K': y--; running = RUNLEN/2; ch = tolower(ch);
-               when 'L': x++; running = RUNLEN; ch = tolower(ch);
-               when '\f': setup(); return;
-               when CNTRL('Z'): suspend(); return;
-               when CNTRL('C'): crash(); return;
-               when CNTRL('D'): crash(); return;
-               otherwise: if (! running) alarm(1);
+               case 'h': x--; break;
+               case 'j': y++; break;
+               case 'k': y--; break;
+               case 'l': x++; break;
+               case 'H': x--; running = RUNLEN; ch = tolower(ch); break;
+               case 'J': y++; running = RUNLEN/2; ch = tolower(ch); break;
+               case 'K': y--; running = RUNLEN/2; ch = tolower(ch); break;
+               case 'L': x++; running = RUNLEN; ch = tolower(ch); break;
+               case '\f': setup(); return;
+               case CNTRL('Z'): suspend(0); return;
+               case CNTRL('C'): crash(); return;
+               case CNTRL('D'): crash(); return;
+               default: if (! running) alarm(1);
                           return;
        }
        lastch = ch;
@@ -263,6 +288,7 @@ char ch;
                alarm(1);
 }
 
+void
 crash()
 {
        sleep(2);
@@ -271,14 +297,13 @@ crash()
        refresh();
        printf("Well, you ran into something and the game is over.\n");
        printf("Your final score was %d\n", score);
-       leave();
+       leave(0);
 }
 
 void
-suspend()
+suspend(dummy)
+       int dummy;
 {
-       char *sh;
-
        move(LINES-1, 0);
        refresh();
        endwin();
@@ -290,6 +315,7 @@ suspend()
        setup();
 }
 
+void
 setup()
 {
        clear();