From 84e7d0704483ce39bbdeacd5e676168db6fa664f Mon Sep 17 00:00:00 2001
From: christos <christos@NetBSD.org>
Date: Sun, 19 Oct 1997 16:56:41 +0000
Subject: WARNsify...

---
 hack/hack.invent.c | 1090 +++++++++++++++++++++++++++++-----------------------
 1 file changed, 603 insertions(+), 487 deletions(-)

(limited to 'hack/hack.invent.c')

diff --git a/hack/hack.invent.c b/hack/hack.invent.c
index 3cc42763..2c8b94cf 100644
--- a/hack/hack.invent.c
+++ b/hack/hack.invent.c
@@ -1,106 +1,117 @@
+/*	$NetBSD: hack.invent.c,v 1.5 1997/10/19 16:58:05 christos Exp $	*/
+
 /*
  * Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985.
  */
 
+#include <sys/cdefs.h>
 #ifndef lint
-static char rcsid[] = "$NetBSD: hack.invent.c,v 1.4 1995/03/23 08:30:25 cgd Exp $";
-#endif /* not lint */
+__RCSID("$NetBSD: hack.invent.c,v 1.5 1997/10/19 16:58:05 christos Exp $");
+#endif				/* not lint */
 
-#include	"hack.h"
-#include	<stdio.h>
-extern struct obj *splitobj();
-extern struct obj zeroobj;
-extern char morc;
-extern char quitchars[];
-static char *xprname();
+#include <stdlib.h>
+#include "hack.h"
+#include "extern.h"
 
 #ifndef NOWORM
 #include	"def.wseg.h"
-extern struct wseg *wsegs[32];
-#endif NOWORM
+#endif	/* NOWORM */
 
 #define	NOINVSYM	'#'
 
-static int lastinvnr = 51;	/* 0 ... 51 */
-static
+static int      lastinvnr = 51;	/* 0 ... 51 */
+
+static void assigninvlet __P((struct obj *));
+static char *xprname __P((struct obj *, char));
+
+static void
 assigninvlet(otmp)
-register struct obj *otmp;
+	struct obj     *otmp;
 {
-	boolean inuse[52];
-	register int i;
-	register struct obj *obj;
-
-	for(i = 0; i < 52; i++) inuse[i] = FALSE;
-	for(obj = invent; obj; obj = obj->nobj) if(obj != otmp) {
-		i = obj->invlet;
-		if('a' <= i && i <= 'z') inuse[i - 'a'] = TRUE; else
-		if('A' <= i && i <= 'Z') inuse[i - 'A' + 26] = TRUE;
-		if(i == otmp->invlet) otmp->invlet = 0;
-	}
-	if((i = otmp->invlet) &&
+	boolean         inuse[52];
+	int             i;
+	struct obj     *obj;
+
+	for (i = 0; i < 52; i++)
+		inuse[i] = FALSE;
+	for (obj = invent; obj; obj = obj->nobj)
+		if (obj != otmp) {
+			i = obj->invlet;
+			if ('a' <= i && i <= 'z')
+				inuse[i - 'a'] = TRUE;
+			else if ('A' <= i && i <= 'Z')
+				inuse[i - 'A' + 26] = TRUE;
+			if (i == otmp->invlet)
+				otmp->invlet = 0;
+		}
+	if ((i = otmp->invlet) &&
 	    (('a' <= i && i <= 'z') || ('A' <= i && i <= 'Z')))
 		return;
-	for(i = lastinvnr+1; i != lastinvnr; i++) {
-		if(i == 52) { i = -1; continue; }
-		if(!inuse[i]) break;
+	for (i = lastinvnr + 1; i != lastinvnr; i++) {
+		if (i == 52) {
+			i = -1;
+			continue;
+		}
+		if (!inuse[i])
+			break;
 	}
 	otmp->invlet = (inuse[i] ? NOINVSYM :
-			(i < 26) ? ('a'+i) : ('A'+i-26));
+			(i < 26) ? ('a' + i) : ('A' + i - 26));
 	lastinvnr = i;
 }
 
-struct obj *
+struct obj     *
 addinv(obj)
-register struct obj *obj;
+	struct obj     *obj;
 {
-	register struct obj *otmp;
+	struct obj     *otmp;
 
 	/* merge or attach to end of chain */
-	if(!invent) {
+	if (!invent) {
 		invent = obj;
 		otmp = 0;
 	} else
-	for(otmp = invent; /* otmp */; otmp = otmp->nobj) {
-		if(merged(otmp, obj, 0))
-			return(otmp);
-		if(!otmp->nobj) {
-			otmp->nobj = obj;
-			break;
+		for (otmp = invent; /* otmp */ ; otmp = otmp->nobj) {
+			if (merged(otmp, obj, 0))
+				return (otmp);
+			if (!otmp->nobj) {
+				otmp->nobj = obj;
+				break;
+			}
 		}
-	}
 	obj->nobj = 0;
 
-	if(flags.invlet_constant) {
+	if (flags.invlet_constant) {
 		assigninvlet(obj);
 		/*
 		 * The ordering of the chain is nowhere significant
 		 * so in case you prefer some other order than the
 		 * historical one, change the code below.
 		 */
-		if(otmp) {	/* find proper place in chain */
+		if (otmp) {	/* find proper place in chain */
 			otmp->nobj = 0;
-			if((invent->invlet ^ 040) > (obj->invlet ^ 040)) {
+			if ((invent->invlet ^ 040) > (obj->invlet ^ 040)) {
 				obj->nobj = invent;
 				invent = obj;
 			} else
-			for(otmp = invent; ; otmp = otmp->nobj) {
-			    if(!otmp->nobj ||
-				(otmp->nobj->invlet ^ 040) > (obj->invlet ^ 040)){
-				obj->nobj = otmp->nobj;
-				otmp->nobj = obj;
-				break;
-			    }
-			}
+				for (otmp = invent;; otmp = otmp->nobj) {
+					if (!otmp->nobj ||
+					    (otmp->nobj->invlet ^ 040) > (obj->invlet ^ 040)) {
+						obj->nobj = otmp->nobj;
+						otmp->nobj = obj;
+						break;
+					}
+				}
 		}
 	}
-
-	return(obj);
+	return (obj);
 }
 
+void
 useup(obj)
-register struct obj *obj;
+	struct obj     *obj;
 {
-	if(obj->quan > 1){
+	if (obj->quan > 1) {
 		obj->quan--;
 		obj->owt = weight(obj);
 	} else {
@@ -110,174 +121,202 @@ register struct obj *obj;
 	}
 }
 
+void
 freeinv(obj)
-register struct obj *obj;
+	struct obj     *obj;
 {
-	register struct obj *otmp;
+	struct obj     *otmp;
 
-	if(obj == invent)
+	if (obj == invent)
 		invent = invent->nobj;
 	else {
-		for(otmp = invent; otmp->nobj != obj; otmp = otmp->nobj)
-			if(!otmp->nobj) panic("freeinv");
+		for (otmp = invent; otmp->nobj != obj; otmp = otmp->nobj)
+			if (!otmp->nobj)
+				panic("freeinv");
 		otmp->nobj = obj->nobj;
 	}
 }
 
 /* destroy object in fobj chain (if unpaid, it remains on the bill) */
-delobj(obj) register struct obj *obj; {
+void
+delobj(obj)
+	struct obj     *obj;
+{
 	freeobj(obj);
 	unpobj(obj);
 	obfree(obj, (struct obj *) 0);
 }
 
 /* unlink obj from chain starting with fobj */
-freeobj(obj) register struct obj *obj; {
-	register struct obj *otmp;
+void
+freeobj(obj)
+	struct obj     *obj;
+{
+	struct obj     *otmp;
 
-	if(obj == fobj) fobj = fobj->nobj;
+	if (obj == fobj)
+		fobj = fobj->nobj;
 	else {
-		for(otmp = fobj; otmp->nobj != obj; otmp = otmp->nobj)
-			if(!otmp) panic("error in freeobj");
+		for (otmp = fobj; otmp->nobj != obj; otmp = otmp->nobj)
+			if (!otmp)
+				panic("error in freeobj");
 		otmp->nobj = obj->nobj;
 	}
 }
 
 /* Note: freegold throws away its argument! */
-freegold(gold) register struct gold *gold; {
-	register struct gold *gtmp;
+void
+freegold(gold)
+	struct gold    *gold;
+{
+	struct gold    *gtmp;
 
-	if(gold == fgold) fgold = gold->ngold;
+	if (gold == fgold)
+		fgold = gold->ngold;
 	else {
-		for(gtmp = fgold; gtmp->ngold != gold; gtmp = gtmp->ngold)
-			if(!gtmp) panic("error in freegold");
+		for (gtmp = fgold; gtmp->ngold != gold; gtmp = gtmp->ngold)
+			if (!gtmp)
+				panic("error in freegold");
 		gtmp->ngold = gold->ngold;
 	}
 	free((char *) gold);
 }
 
+void
 deltrap(trap)
-register struct trap *trap;
+	struct trap    *trap;
 {
-	register struct trap *ttmp;
+	struct trap    *ttmp;
 
-	if(trap == ftrap)
+	if (trap == ftrap)
 		ftrap = ftrap->ntrap;
 	else {
-		for(ttmp = ftrap; ttmp->ntrap != trap; ttmp = ttmp->ntrap) ;
+		for (ttmp = ftrap; ttmp->ntrap != trap; ttmp = ttmp->ntrap);
 		ttmp->ntrap = trap->ntrap;
 	}
 	free((char *) trap);
 }
 
-struct wseg *m_atseg;
+struct wseg    *m_atseg;
 
-struct monst *
-m_at(x,y)
-register x,y;
+struct monst   *
+m_at(x, y)
+	int x, y;
 {
-	register struct monst *mtmp;
+	struct monst   *mtmp;
 #ifndef NOWORM
-	register struct wseg *wtmp;
-#endif NOWORM
+	struct wseg    *wtmp;
+#endif	/* NOWORM */
 
 	m_atseg = 0;
-	for(mtmp = fmon; mtmp; mtmp = mtmp->nmon){
-		if(mtmp->mx == x && mtmp->my == y)
-			return(mtmp);
+	for (mtmp = fmon; mtmp; mtmp = mtmp->nmon) {
+		if (mtmp->mx == x && mtmp->my == y)
+			return (mtmp);
 #ifndef NOWORM
-		if(mtmp->wormno){
-		    for(wtmp = wsegs[mtmp->wormno]; wtmp; wtmp = wtmp->nseg)
-		    if(wtmp->wx == x && wtmp->wy == y){
-			m_atseg = wtmp;
-			return(mtmp);
-		    }
+		if (mtmp->wormno) {
+			for (wtmp = wsegs[mtmp->wormno]; wtmp; wtmp = wtmp->nseg)
+				if (wtmp->wx == x && wtmp->wy == y) {
+					m_atseg = wtmp;
+					return (mtmp);
+				}
 		}
-#endif NOWORM
+#endif	/* NOWORM */
 	}
-	return(0);
+	return (0);
 }
 
-struct obj *
-o_at(x,y)
-register x,y;
+struct obj     *
+o_at(x, y)
+	int x, y;
 {
-	register struct obj *otmp;
+	struct obj     *otmp;
 
-	for(otmp = fobj; otmp; otmp = otmp->nobj)
-		if(otmp->ox == x && otmp->oy == y) return(otmp);
-	return(0);
+	for (otmp = fobj; otmp; otmp = otmp->nobj)
+		if (otmp->ox == x && otmp->oy == y)
+			return (otmp);
+	return (0);
 }
 
-struct obj *
-sobj_at(n,x,y)
-register n,x,y;
+struct obj     *
+sobj_at(n, x, y)
+	int n, x, y;
 {
-	register struct obj *otmp;
+	struct obj     *otmp;
 
-	for(otmp = fobj; otmp; otmp = otmp->nobj)
-		if(otmp->ox == x && otmp->oy == y && otmp->otyp == n)
-			return(otmp);
-	return(0);
+	for (otmp = fobj; otmp; otmp = otmp->nobj)
+		if (otmp->ox == x && otmp->oy == y && otmp->otyp == n)
+			return (otmp);
+	return (0);
 }
 
-carried(obj) register struct obj *obj; {
-register struct obj *otmp;
-	for(otmp = invent; otmp; otmp = otmp->nobj)
-		if(otmp == obj) return(1);
-	return(0);
+int
+carried(obj)
+	struct obj     *obj;
+{
+	struct obj     *otmp;
+	for (otmp = invent; otmp; otmp = otmp->nobj)
+		if (otmp == obj)
+			return (1);
+	return (0);
 }
 
+int
 carrying(type)
-register int type;
+	int             type;
 {
-	register struct obj *otmp;
+	struct obj     *otmp;
 
-	for(otmp = invent; otmp; otmp = otmp->nobj)
-		if(otmp->otyp == type)
-			return(TRUE);
-	return(FALSE);
+	for (otmp = invent; otmp; otmp = otmp->nobj)
+		if (otmp->otyp == type)
+			return (TRUE);
+	return (FALSE);
 }
 
-struct obj *
-o_on(id, objchn) unsigned int id; register struct obj *objchn; {
-	while(objchn) {
-		if(objchn->o_id == id) return(objchn);
+struct obj     *
+o_on(id, objchn)
+	unsigned int    id;
+	struct obj     *objchn;
+{
+	while (objchn) {
+		if (objchn->o_id == id)
+			return (objchn);
 		objchn = objchn->nobj;
 	}
-	return((struct obj *) 0);
+	return ((struct obj *) 0);
 }
 
-struct trap *
-t_at(x,y)
-register x,y;
+struct trap    *
+t_at(x, y)
+	int x, y;
 {
-	register struct trap *trap = ftrap;
-	while(trap) {
-		if(trap->tx == x && trap->ty == y) return(trap);
+	struct trap    *trap = ftrap;
+	while (trap) {
+		if (trap->tx == x && trap->ty == y)
+			return (trap);
 		trap = trap->ntrap;
 	}
-	return(0);
+	return (0);
 }
 
-struct gold *
-g_at(x,y)
-register x,y;
+struct gold    *
+g_at(x, y)
+	int x, y;
 {
-	register struct gold *gold = fgold;
-	while(gold) {
-		if(gold->gx == x && gold->gy == y) return(gold);
+	struct gold    *gold = fgold;
+	while (gold) {
+		if (gold->gx == x && gold->gy == y)
+			return (gold);
 		gold = gold->ngold;
 	}
-	return(0);
+	return (0);
 }
 
 /* make dummy object structure containing gold - for temporary use only */
-struct obj *
+struct obj     *
 mkgoldobj(q)
-register long q;
+	long            q;
 {
-	register struct obj *otmp;
+	struct obj     *otmp;
 
 	otmp = newobj(0);
 	/* should set o_id etc. but otmp will be freed soon */
@@ -285,7 +324,7 @@ register long q;
 	u.ugold -= q;
 	OGOLD(otmp) = q;
 	flags.botl = 1;
-	return(otmp);
+	return (otmp);
 }
 
 /*
@@ -294,61 +333,72 @@ register long q;
  *	(struct obj *) 0	error return: no object.
  *	&zeroobj		explicitly no object (as in w-).
  */
-struct obj *
-getobj(let,word)
-register char *let,*word;
-{
-	register struct obj *otmp;
-	register char ilet,ilet1,ilet2;
-	char buf[BUFSZ];
-	char lets[BUFSZ];
-	register int foo = 0, foo2;
-	register char *bp = buf;
-	xchar allowcnt = 0;	/* 0, 1 or 2 */
-	boolean allowgold = FALSE;
-	boolean allowall = FALSE;
-	boolean allownone = FALSE;
-	xchar foox = 0;
-	long cnt;
-
-	if(*let == '0') let++, allowcnt = 1;
-	if(*let == '$') let++, allowgold = TRUE;
-	if(*let == '#') let++, allowall = TRUE;
-	if(*let == '-') let++, allownone = TRUE;
-	if(allownone) *bp++ = '-';
-	if(allowgold) *bp++ = '$';
-	if(bp > buf && bp[-1] == '-') *bp++ = ' ';
+struct obj     *
+getobj(let, word)
+	char           *let, *word;
+{
+	struct obj     *otmp;
+	char            ilet, ilet1, ilet2;
+	char            buf[BUFSZ];
+	char            lets[BUFSZ];
+	int             foo = 0, foo2;
+	char           *bp = buf;
+	xchar           allowcnt = 0;	/* 0, 1 or 2 */
+	boolean         allowgold = FALSE;
+	boolean         allowall = FALSE;
+	boolean         allownone = FALSE;
+	xchar           foox = 0;
+	long            cnt;
+
+	if (*let == '0')
+		let++, allowcnt = 1;
+	if (*let == '$')
+		let++, allowgold = TRUE;
+	if (*let == '#')
+		let++, allowall = TRUE;
+	if (*let == '-')
+		let++, allownone = TRUE;
+	if (allownone)
+		*bp++ = '-';
+	if (allowgold)
+		*bp++ = '$';
+	if (bp > buf && bp[-1] == '-')
+		*bp++ = ' ';
 
 	ilet = 'a';
-	for(otmp = invent; otmp; otmp = otmp->nobj){
-	    if(!*let || index(let, otmp->olet)) {
-		bp[foo++] = flags.invlet_constant ? otmp->invlet : ilet;
-
-		/* ugly check: remove inappropriate things */
-		if((!strcmp(word, "take off") &&
-		    !(otmp->owornmask & (W_ARMOR - W_ARM2)))
-		|| (!strcmp(word, "wear") &&
-		    (otmp->owornmask & (W_ARMOR | W_RING)))
-		|| (!strcmp(word, "wield") &&
-		    (otmp->owornmask & W_WEP))) {
-			foo--;
-			foox++;
+	for (otmp = invent; otmp; otmp = otmp->nobj) {
+		if (!*let || strchr(let, otmp->olet)) {
+			bp[foo++] = flags.invlet_constant ? otmp->invlet : ilet;
+
+			/* ugly check: remove inappropriate things */
+			if ((!strcmp(word, "take off") &&
+			     !(otmp->owornmask & (W_ARMOR - W_ARM2)))
+			    || (!strcmp(word, "wear") &&
+				(otmp->owornmask & (W_ARMOR | W_RING)))
+			    || (!strcmp(word, "wield") &&
+				(otmp->owornmask & W_WEP))) {
+				foo--;
+				foox++;
+			}
 		}
-	    }
-	    if(ilet == 'z') ilet = 'A'; else ilet++;
+		if (ilet == 'z')
+			ilet = 'A';
+		else
+			ilet++;
 	}
 	bp[foo] = 0;
-	if(foo == 0 && bp > buf && bp[-1] == ' ') *--bp = 0;
-	(void) strcpy(lets, bp);	/* necessary since we destroy buf */
-	if(foo > 5) {			/* compactify string */
+	if (foo == 0 && bp > buf && bp[-1] == ' ')
+		*--bp = 0;
+	(void) strcpy(lets, bp);/* necessary since we destroy buf */
+	if (foo > 5) {		/* compactify string */
 		foo = foo2 = 1;
 		ilet2 = bp[0];
 		ilet1 = bp[1];
-		while(ilet = bp[++foo2] = bp[++foo]){
-			if(ilet == ilet1+1){
-				if(ilet1 == ilet2+1)
+		while ((ilet = bp[++foo2] = bp[++foo]) != '\0') {
+			if (ilet == ilet1 + 1) {
+				if (ilet1 == ilet2 + 1)
 					bp[foo2 - 1] = ilet1 = '-';
-				else if(ilet2 == '-') {
+				else if (ilet2 == '-') {
 					bp[--foo2] = ++ilet1;
 					continue;
 				}
@@ -357,162 +407,180 @@ register char *let,*word;
 			ilet1 = ilet;
 		}
 	}
-	if(!foo && !allowall && !allowgold && !allownone) {
+	if (!foo && !allowall && !allowgold && !allownone) {
 		pline("You don't have anything %sto %s.",
-			foox ? "else " : "", word);
-		return(0);
+		      foox ? "else " : "", word);
+		return (0);
 	}
-	for(;;) {
-		if(!buf[0])
+	for (;;) {
+		if (!buf[0])
 			pline("What do you want to %s [*]? ", word);
 		else
 			pline("What do you want to %s [%s or ?*]? ",
-				word, buf);
+			      word, buf);
 
 		cnt = 0;
 		ilet = readchar();
-		while(digit(ilet) && allowcnt) {
+		while (digit(ilet) && allowcnt) {
 			if (cnt < 100000000)
-			    cnt = 10*cnt + (ilet - '0');
+				cnt = 10 * cnt + (ilet - '0');
 			else
-			    cnt = 999999999;
+				cnt = 999999999;
 			allowcnt = 2;	/* signal presence of cnt */
 			ilet = readchar();
 		}
-		if(digit(ilet)) {
+		if (digit(ilet)) {
 			pline("No count allowed with this command.");
 			continue;
 		}
-		if(index(quitchars,ilet))
-			return((struct obj *)0);
-		if(ilet == '-') {
-			return(allownone ? &zeroobj : (struct obj *) 0);
+		if (strchr(quitchars, ilet))
+			return ((struct obj *) 0);
+		if (ilet == '-') {
+			return (allownone ? &zeroobj : (struct obj *) 0);
 		}
-		if(ilet == '$') {
-			if(!allowgold){
+		if (ilet == '$') {
+			if (!allowgold) {
 				pline("You cannot %s gold.", word);
 				continue;
 			}
-			if(!(allowcnt == 2 && cnt < u.ugold))
+			if (!(allowcnt == 2 && cnt < u.ugold))
 				cnt = u.ugold;
-			return(mkgoldobj(cnt));
+			return (mkgoldobj(cnt));
 		}
-		if(ilet == '?') {
+		if (ilet == '?') {
 			doinv(lets);
-			if(!(ilet = morc)) continue;
+			if (!(ilet = morc))
+				continue;
 			/* he typed a letter (not a space) to more() */
-		} else if(ilet == '*') {
+		} else if (ilet == '*') {
 			doinv((char *) 0);
-			if(!(ilet = morc)) continue;
+			if (!(ilet = morc))
+				continue;
 			/* ... */
 		}
-		if(flags.invlet_constant) {
-			for(otmp = invent; otmp; otmp = otmp->nobj)
-				if(otmp->invlet == ilet) break;
+		if (flags.invlet_constant) {
+			for (otmp = invent; otmp; otmp = otmp->nobj)
+				if (otmp->invlet == ilet)
+					break;
 		} else {
-			if(ilet >= 'A' && ilet <= 'Z') ilet += 'z'-'A'+1;
+			if (ilet >= 'A' && ilet <= 'Z')
+				ilet += 'z' - 'A' + 1;
 			ilet -= 'a';
-			for(otmp = invent; otmp && ilet;
-					ilet--, otmp = otmp->nobj) ;
+			for (otmp = invent; otmp && ilet;
+			     ilet--, otmp = otmp->nobj);
 		}
-		if(!otmp) {
+		if (!otmp) {
 			pline("You don't have that object.");
 			continue;
 		}
-		if(cnt < 0 || otmp->quan < cnt) {
+		if (cnt < 0 || otmp->quan < cnt) {
 			pline("You don't have that many! [You have %u]"
-			, otmp->quan);
+			      ,otmp->quan);
 			continue;
 		}
 		break;
 	}
-	if(!allowall && let && !index(let,otmp->olet)) {
-		pline("That is a silly thing to %s.",word);
-		return(0);
+	if (!allowall && let && !strchr(let, otmp->olet)) {
+		pline("That is a silly thing to %s.", word);
+		return (0);
 	}
-	if(allowcnt == 2) {	/* cnt given */
-		if(cnt == 0) return(0);
-		if(cnt != otmp->quan) {
-			register struct obj *obj;
+	if (allowcnt == 2) {	/* cnt given */
+		if (cnt == 0)
+			return (0);
+		if (cnt != otmp->quan) {
+			struct obj     *obj;
 			obj = splitobj(otmp, (int) cnt);
-			if(otmp == uwep) setuwep(obj);
+			if (otmp == uwep)
+				setuwep(obj);
 		}
 	}
-	return(otmp);
+	return (otmp);
 }
 
-ckunpaid(otmp) register struct obj *otmp; {
-	return( otmp->unpaid );
+int
+ckunpaid(otmp)
+	struct obj     *otmp;
+{
+	return (otmp->unpaid);
 }
 
 /* interactive version of getobj - used for Drop and Identify */
 /* return the number of times fn was called successfully */
+int
 ggetobj(word, fn, max)
-char *word;
-int (*fn)(),  max;
-{
-char buf[BUFSZ];
-register char *ip;
-register char sym;
-register int oletct = 0, iletct = 0;
-register boolean allflag = FALSE;
-char olets[20], ilets[20];
-int (*ckfn)() = (int (*)()) 0;
-xchar allowgold = (u.ugold && !strcmp(word, "drop")) ? 1 : 0;	/* BAH */
-	if(!invent && !allowgold){
+	char *word;
+	int (*fn)  __P((struct obj *));
+	int max;
+{
+	char            buf[BUFSZ];
+	char           *ip;
+	char            sym;
+	int             oletct = 0, iletct = 0;
+	boolean         allflag = FALSE;
+	char            olets[20], ilets[20];
+	int           (*ckfn) __P((struct obj *)) =
+	    (int (*) __P((struct obj *))) 0;
+	xchar           allowgold = (u.ugold && !strcmp(word, "drop")) ? 1 : 0;	/* BAH */
+	if (!invent && !allowgold) {
 		pline("You have nothing to %s.", word);
-		return(0);
+		return (0);
 	} else {
-		register struct obj *otmp = invent;
-		register int uflg = 0;
+		struct obj     *otmp = invent;
+		int             uflg = 0;
 
-		if(allowgold) ilets[iletct++] = '$';
+		if (allowgold)
+			ilets[iletct++] = '$';
 		ilets[iletct] = 0;
-		while(otmp) {
-			if(!index(ilets, otmp->olet)){
+		while (otmp) {
+			if (!strchr(ilets, otmp->olet)) {
 				ilets[iletct++] = otmp->olet;
 				ilets[iletct] = 0;
 			}
-			if(otmp->unpaid) uflg = 1;
+			if (otmp->unpaid)
+				uflg = 1;
 			otmp = otmp->nobj;
 		}
 		ilets[iletct++] = ' ';
-		if(uflg) ilets[iletct++] = 'u';
-		if(invent) ilets[iletct++] = 'a';
+		if (uflg)
+			ilets[iletct++] = 'u';
+		if (invent)
+			ilets[iletct++] = 'a';
 		ilets[iletct] = 0;
 	}
 	pline("What kinds of thing do you want to %s? [%s] ",
-		word, ilets);
+	      word, ilets);
 	getlin(buf);
-	if(buf[0] == '\033') {
+	if (buf[0] == '\033') {
 		clrlin();
-		return(0);
+		return (0);
 	}
 	ip = buf;
 	olets[0] = 0;
-	while(sym = *ip++){
-		if(sym == ' ') continue;
-		if(sym == '$') {
-			if(allowgold == 1)
-				(*fn)(mkgoldobj(u.ugold));
-			else if(!u.ugold)
+	while ((sym = *ip++) != '\0') {
+		if (sym == ' ')
+			continue;
+		if (sym == '$') {
+			if (allowgold == 1)
+				(*fn) (mkgoldobj(u.ugold));
+			else if (!u.ugold)
 				pline("You have no gold.");
 			allowgold = 2;
-		} else
-		if(sym == 'a' || sym == 'A') allflag = TRUE; else
-		if(sym == 'u' || sym == 'U') ckfn = ckunpaid; else
-		if(index("!%?[()=*/\"0", sym)){
-			if(!index(olets, sym)){
+		} else if (sym == 'a' || sym == 'A')
+			allflag = TRUE;
+		else if (sym == 'u' || sym == 'U')
+			ckfn = ckunpaid;
+		else if (strchr("!%?[()=*/\"0", sym)) {
+			if (!strchr(olets, sym)) {
 				olets[oletct++] = sym;
 				olets[oletct] = 0;
 			}
-		}
-		else pline("You don't have any %c's.", sym);
+		} else
+			pline("You don't have any %c's.", sym);
 	}
-	if(allowgold == 2 && !oletct)
-		return(1);	/* he dropped gold (or at least tried to) */
+	if (allowgold == 2 && !oletct)
+		return (1);	/* he dropped gold (or at least tried to) */
 	else
-		return(askchain(invent, olets, allflag, fn, ckfn, max));
+		return (askchain(invent, olets, allflag, fn, ckfn, max));
 }
 
 /*
@@ -522,35 +590,43 @@ xchar allowgold = (u.ugold && !strcmp(word, "drop")) ? 1 : 0;	/* BAH */
  * If allflag then no questions are asked. Max gives the max nr of
  * objects to be treated. Return the number of objects treated.
  */
+int
 askchain(objchn, olets, allflag, fn, ckfn, max)
-struct obj *objchn;
-register char *olets;
-int allflag;
-int (*fn)(), (*ckfn)();
-int max;
-{
-register struct obj *otmp, *otmp2;
-register char sym, ilet;
-register int cnt = 0;
-	ilet = 'a'-1;
-	for(otmp = objchn; otmp; otmp = otmp2){
-		if(ilet == 'z') ilet = 'A'; else ilet++;
+	struct obj     *objchn;
+	char           *olets;
+	int             allflag;
+	int           (*fn) __P((struct obj *));
+	int	      (*ckfn) __P((struct obj *));
+	int             max;
+{
+	struct obj     *otmp, *otmp2;
+	char            sym, ilet;
+	int             cnt = 0;
+	ilet = 'a' - 1;
+	for (otmp = objchn; otmp; otmp = otmp2) {
+		if (ilet == 'z')
+			ilet = 'A';
+		else
+			ilet++;
 		otmp2 = otmp->nobj;
-		if(olets && *olets && !index(olets, otmp->olet)) continue;
-		if(ckfn && !(*ckfn)(otmp)) continue;
-		if(!allflag) {
+		if (olets && *olets && !strchr(olets, otmp->olet))
+			continue;
+		if (ckfn && !(*ckfn) (otmp))
+			continue;
+		if (!allflag) {
 			pline(xprname(otmp, ilet));
 			addtopl(" [nyaq]? ");
 			sym = readchar();
-		}
-		else	sym = 'y';
+		} else
+			sym = 'y';
 
-		switch(sym){
+		switch (sym) {
 		case 'a':
 			allflag = 1;
 		case 'y':
-			cnt += (*fn)(otmp);
-			if(--max == 0) goto ret;
+			cnt += (*fn) (otmp);
+			if (--max == 0)
+				goto ret;
 		case 'n':
 		default:
 			break;
@@ -560,258 +636,281 @@ register int cnt = 0;
 	}
 	pline(cnt ? "That was all." : "No applicable objects.");
 ret:
-	return(cnt);
+	return (cnt);
 }
 
-obj_to_let(obj)	/* should of course only be called for things in invent */
-register struct obj *obj;
+char
+obj_to_let(obj)			/* should of course only be called for things
+				 * in invent */
+	struct obj     *obj;
 {
-	register struct obj *otmp;
-	register char ilet;
+	struct obj     *otmp;
+	char            ilet;
 
-	if(flags.invlet_constant)
-		return(obj->invlet);
+	if (flags.invlet_constant)
+		return (obj->invlet);
 	ilet = 'a';
-	for(otmp = invent; otmp && otmp != obj; otmp = otmp->nobj)
-		if(++ilet > 'z') ilet = 'A';
-	return(otmp ? ilet : NOINVSYM);
+	for (otmp = invent; otmp && otmp != obj; otmp = otmp->nobj)
+		if (++ilet > 'z')
+			ilet = 'A';
+	return (otmp ? ilet : NOINVSYM);
 }
 
+void
 prinv(obj)
-register struct obj *obj;
+	struct obj     *obj;
 {
 	pline(xprname(obj, obj_to_let(obj)));
 }
 
-static char *
-xprname(obj,let)
-register struct obj *obj;
-register char let;
+static char    *
+xprname(obj, let)
+	struct obj     *obj;
+	char            let;
 {
-	static char li[BUFSZ];
+	static char     li[BUFSZ];
 
 	(void) sprintf(li, "%c - %s.",
-		flags.invlet_constant ? obj->invlet : let,
-		doname(obj));
-	return(li);
+		       flags.invlet_constant ? obj->invlet : let,
+		       doname(obj));
+	return (li);
 }
 
+int
 ddoinv()
 {
 	doinv((char *) 0);
-	return(0);
+	return (0);
 }
 
 /* called with 0 or "": all objects in inventory */
 /* otherwise: all objects with (serial) letter in lets */
+void
 doinv(lets)
-register char *lets;
+	char           *lets;
 {
-	register struct obj *otmp;
-	register char ilet;
-	int ct = 0;
-	char any[BUFSZ];
+	struct obj     *otmp;
+	char            ilet;
+	int             ct = 0;
+	char            any[BUFSZ];
 
 	morc = 0;		/* just to be sure */
 
-	if(!invent){
+	if (!invent) {
 		pline("Not carrying anything.");
 		return;
 	}
-
 	cornline(0, (char *) 0);
 	ilet = 'a';
-	for(otmp = invent; otmp; otmp = otmp->nobj) {
-	    if(flags.invlet_constant) ilet = otmp->invlet;
-	    if(!lets || !*lets || index(lets, ilet)) {
-		    cornline(1, xprname(otmp, ilet));
-		    any[ct++] = ilet;
-	    }
-	    if(!flags.invlet_constant) if(++ilet > 'z') ilet = 'A';
+	for (otmp = invent; otmp; otmp = otmp->nobj) {
+		if (flags.invlet_constant)
+			ilet = otmp->invlet;
+		if (!lets || !*lets || strchr(lets, ilet)) {
+			cornline(1, xprname(otmp, ilet));
+			any[ct++] = ilet;
+		}
+		if (!flags.invlet_constant)
+			if (++ilet > 'z')
+				ilet = 'A';
 	}
 	any[ct] = 0;
 	cornline(2, any);
 }
 
-dotypeinv ()				/* free after Robert Viduya */
-/* Changed to one type only, so he doesnt have to type cr */
-{
-    char c, ilet;
-    char stuff[BUFSZ];
-    register int stct;
-    register struct obj *otmp;
-    boolean billx = inshop() && doinvbill(0);
-    boolean unpd = FALSE;
+int
+dotypeinv()
+{				/* free after Robert Viduya */
+	/* Changed to one type only, so he doesnt have to type cr */
+	char            c, ilet;
+	char            stuff[BUFSZ];
+	int             stct;
+	struct obj     *otmp;
+	boolean         billx = inshop() && doinvbill(0);
+	boolean         unpd = FALSE;
 
 	if (!invent && !u.ugold && !billx) {
-	    pline ("You aren't carrying anything.");
-	    return(0);
+		pline("You aren't carrying anything.");
+		return (0);
 	}
-
 	stct = 0;
-	if(u.ugold) stuff[stct++] = '$';
+	if (u.ugold)
+		stuff[stct++] = '$';
 	stuff[stct] = 0;
-	for(otmp = invent; otmp; otmp = otmp->nobj) {
-	    if (!index (stuff, otmp->olet)) {
-		stuff[stct++] = otmp->olet;
-		stuff[stct] = 0;
-	    }
-	    if(otmp->unpaid)
-		unpd = TRUE;
-	}
-	if(unpd) stuff[stct++] = 'u';
-	if(billx) stuff[stct++] = 'x';
+	for (otmp = invent; otmp; otmp = otmp->nobj) {
+		if (!strchr(stuff, otmp->olet)) {
+			stuff[stct++] = otmp->olet;
+			stuff[stct] = 0;
+		}
+		if (otmp->unpaid)
+			unpd = TRUE;
+	}
+	if (unpd)
+		stuff[stct++] = 'u';
+	if (billx)
+		stuff[stct++] = 'x';
 	stuff[stct] = 0;
 
-	if(stct > 1) {
-	    pline ("What type of object [%s] do you want an inventory of? ",
-		stuff);
-	    c = readchar();
-	    if(index(quitchars,c)) return(0);
+	if (stct > 1) {
+		pline("What type of object [%s] do you want an inventory of? ",
+		      stuff);
+		c = readchar();
+		if (strchr(quitchars, c))
+			return (0);
 	} else
-	    c = stuff[0];
+		c = stuff[0];
 
-	if(c == '$')
-	    return(doprgold());
+	if (c == '$')
+		return (doprgold());
 
-	if(c == 'x' || c == 'X') {
-	    if(billx)
-		(void) doinvbill(1);
-	    else
-		pline("No used-up objects on the shopping bill.");
-	    return(0);
+	if (c == 'x' || c == 'X') {
+		if (billx)
+			(void) doinvbill(1);
+		else
+			pline("No used-up objects on the shopping bill.");
+		return (0);
 	}
-
-	if((c == 'u' || c == 'U') && !unpd) {
+	if ((c == 'u' || c == 'U') && !unpd) {
 		pline("You are not carrying any unpaid objects.");
-		return(0);
+		return (0);
 	}
-
 	stct = 0;
 	ilet = 'a';
-	for (otmp = invent; otmp; otmp = otmp -> nobj) {
-	    if(flags.invlet_constant) ilet = otmp->invlet;
-	    if (c == otmp -> olet || (c == 'u' && otmp -> unpaid))
-		stuff[stct++] = ilet;
-	    if(!flags.invlet_constant) if(++ilet > 'z') ilet = 'A';
+	for (otmp = invent; otmp; otmp = otmp->nobj) {
+		if (flags.invlet_constant)
+			ilet = otmp->invlet;
+		if (c == otmp->olet || (c == 'u' && otmp->unpaid))
+			stuff[stct++] = ilet;
+		if (!flags.invlet_constant)
+			if (++ilet > 'z')
+				ilet = 'A';
 	}
 	stuff[stct] = '\0';
-	if(stct == 0)
+	if (stct == 0)
 		pline("You have no such objects.");
 	else
-		doinv (stuff);
+		doinv(stuff);
 
-	return(0);
+	return (0);
 }
 
 /* look at what is here */
-dolook() {
-    register struct obj *otmp, *otmp0;
-    register struct gold *gold;
-    char *verb = Blind ? "feel" : "see";
-    int	ct = 0;
-
-    if(!u.uswallow) {
-	if(Blind) {
-	    pline("You try to feel what is lying here on the floor.");
-	    if(Levitation) {				/* ab@unido */
-		pline("You cannot reach the floor!");
-		return(1);
-	    }
-	}
-	otmp0 = o_at(u.ux, u.uy);
-	gold = g_at(u.ux, u.uy);
-    }
-
-    if(u.uswallow || (!otmp0 && !gold)) {
-	pline("You %s no objects here.", verb);
-	return(!!Blind);
-    }
-
-    cornline(0, "Things that are here:");
-    for(otmp = otmp0; otmp; otmp = otmp->nobj) {
-	if(otmp->ox == u.ux && otmp->oy == u.uy) {
-	    ct++;
-	    cornline(1, doname(otmp));
-	    if(Blind && otmp->otyp == DEAD_COCKATRICE && !uarmg) {
-		pline("Touching the dead cockatrice is a fatal mistake ...");
-		pline("You die ...");
-		killer = "dead cockatrice";
-		done("died");
-	    }
-	}
-    }
-
-    if(gold) {
-	char gbuf[30];
-
-	(void) sprintf(gbuf, "%ld gold piece%s",
-		gold->amount, plur(gold->amount));
-	if(!ct++)
-	    pline("You %s here %s.", verb, gbuf);
-	else
-	    cornline(1, gbuf);
-    }
+int
+dolook()
+{
+	struct obj     *otmp, *otmp0;
+	struct gold    *gold;
+	char           *verb = Blind ? "feel" : "see";
+	int             ct = 0;
+
+	if (!u.uswallow) {
+		if (Blind) {
+			pline("You try to feel what is lying here on the floor.");
+			if (Levitation) {	/* ab@unido */
+				pline("You cannot reach the floor!");
+				return (1);
+			}
+		}
+		otmp0 = o_at(u.ux, u.uy);
+		gold = g_at(u.ux, u.uy);
+	}
+	if (u.uswallow || (!otmp0 && !gold)) {
+		pline("You %s no objects here.", verb);
+		return (!!Blind);
+	}
+	cornline(0, "Things that are here:");
+	for (otmp = otmp0; otmp; otmp = otmp->nobj) {
+		if (otmp->ox == u.ux && otmp->oy == u.uy) {
+			ct++;
+			cornline(1, doname(otmp));
+			if (Blind && otmp->otyp == DEAD_COCKATRICE && !uarmg) {
+				pline("Touching the dead cockatrice is a fatal mistake ...");
+				pline("You die ...");
+				killer = "dead cockatrice";
+				done("died");
+			}
+		}
+	}
+
+	if (gold) {
+		char            gbuf[30];
 
-    if(ct == 1 && !gold) {
-	pline("You %s here %s.", verb, doname(otmp0));
-	cornline(3, (char *) 0);
-    }
-    if(ct > 1)
-	cornline(2, (char *) 0);
-    return(!!Blind);
+		(void) sprintf(gbuf, "%ld gold piece%s",
+			       gold->amount, plur(gold->amount));
+		if (!ct++)
+			pline("You %s here %s.", verb, gbuf);
+		else
+			cornline(1, gbuf);
+	}
+	if (ct == 1 && !gold) {
+		pline("You %s here %s.", verb, doname(otmp0));
+		cornline(3, (char *) 0);
+	}
+	if (ct > 1)
+		cornline(2, (char *) 0);
+	return (!!Blind);
 }
 
-stackobj(obj) register struct obj *obj; {
-register struct obj *otmp = fobj;
-	for(otmp = fobj; otmp; otmp = otmp->nobj) if(otmp != obj)
-	if(otmp->ox == obj->ox && otmp->oy == obj->oy &&
-		merged(obj,otmp,1))
-			return;
+void
+stackobj(obj)
+	struct obj     *obj;
+{
+	struct obj     *otmp = fobj;
+	for (otmp = fobj; otmp; otmp = otmp->nobj)
+		if (otmp != obj)
+			if (otmp->ox == obj->ox && otmp->oy == obj->oy &&
+			    merged(obj, otmp, 1))
+				return;
 }
 
 /* merge obj with otmp and delete obj if types agree */
-merged(otmp,obj,lose) register struct obj *otmp, *obj; {
-	if(obj->otyp == otmp->otyp &&
-	  obj->unpaid == otmp->unpaid &&
-	  obj->spe == otmp->spe &&
-	  obj->dknown == otmp->dknown &&
-	  obj->cursed == otmp->cursed &&
-	  (index("%*?!", obj->olet) ||
-	    (obj->known == otmp->known &&
-		(obj->olet == WEAPON_SYM && obj->otyp < BOOMERANG)))) {
+int
+merged(otmp, obj, lose)
+	struct obj     *otmp, *obj;
+{
+	if (obj->otyp == otmp->otyp &&
+	    obj->unpaid == otmp->unpaid &&
+	    obj->spe == otmp->spe &&
+	    obj->dknown == otmp->dknown &&
+	    obj->cursed == otmp->cursed &&
+	    (strchr("%*?!", obj->olet) ||
+	     (obj->known == otmp->known &&
+	      (obj->olet == WEAPON_SYM && obj->otyp < BOOMERANG)))) {
 		otmp->quan += obj->quan;
 		otmp->owt += obj->owt;
-		if(lose) freeobj(obj);
-		obfree(obj,otmp);	/* free(obj), bill->otmp */
-		return(1);
-	} else	return(0);
+		if (lose)
+			freeobj(obj);
+		obfree(obj, otmp);	/* free(obj), bill->otmp */
+		return (1);
+	} else
+		return (0);
 }
 
+static long goldcounted;
 /*
  * Gold is no longer displayed; in fact, when you have a lot of money,
  * it may take a while before you have counted it all.
  * [Bug: d$ and pickup still tell you how much it was.]
  */
-extern int (*occupation)();
-extern char *occtxt;
-static long goldcounted;
-
-countgold(){
-	if((goldcounted += 100*(u.ulevel + 1)) >= u.ugold) {
-		long eps = 0;
-		if(!rn2(2)) eps = rnd((int) (u.ugold/100 + 1));
+int
+countgold()
+{
+	if ((goldcounted += 100 * (u.ulevel + 1)) >= u.ugold) {
+		long            eps = 0;
+		if (!rn2(2))
+			eps = rnd((int) (u.ugold / 100 + 1));
 		pline("You probably have about %ld gold pieces.",
-			u.ugold + eps);
-		return(0);	/* done */
+		      u.ugold + eps);
+		return (0);	/* done */
 	}
-	return(1);		/* continue */
+	return (1);		/* continue */
 }
 
-doprgold(){
-	if(!u.ugold)
+int
+doprgold()
+{
+	if (!u.ugold)
 		pline("You do not carry any gold.");
-	else if(u.ugold <= 500)
+	else if (u.ugold <= 500)
 		pline("You are carrying %ld gold pieces.", u.ugold);
 	else {
 		pline("You sit down in order to count your gold pieces.");
@@ -819,50 +918,67 @@ doprgold(){
 		occupation = countgold;
 		occtxt = "counting your gold";
 	}
-	return(1);
+	return (1);
 }
 
 /* --- end of gold counting section --- */
-
-doprwep(){
-	if(!uwep) pline("You are empty handed.");
-	else prinv(uwep);
-	return(0);
+int
+doprwep()
+{
+	if (!uwep)
+		pline("You are empty handed.");
+	else
+		prinv(uwep);
+	return (0);
 }
 
-doprarm(){
-	if(!uarm && !uarmg && !uarms && !uarmh)
+int
+doprarm()
+{
+	if (!uarm && !uarmg && !uarms && !uarmh)
 		pline("You are not wearing any armor.");
 	else {
-		char lets[6];
-		register int ct = 0;
-
-		if(uarm) lets[ct++] = obj_to_let(uarm);
-		if(uarm2) lets[ct++] = obj_to_let(uarm2);
-		if(uarmh) lets[ct++] = obj_to_let(uarmh);
-		if(uarms) lets[ct++] = obj_to_let(uarms);
-		if(uarmg) lets[ct++] = obj_to_let(uarmg);
+		char            lets[6];
+		int             ct = 0;
+
+		if (uarm)
+			lets[ct++] = obj_to_let(uarm);
+		if (uarm2)
+			lets[ct++] = obj_to_let(uarm2);
+		if (uarmh)
+			lets[ct++] = obj_to_let(uarmh);
+		if (uarms)
+			lets[ct++] = obj_to_let(uarms);
+		if (uarmg)
+			lets[ct++] = obj_to_let(uarmg);
 		lets[ct] = 0;
 		doinv(lets);
 	}
-	return(0);
+	return (0);
 }
 
-doprring(){
-	if(!uleft && !uright)
+int
+doprring()
+{
+	if (!uleft && !uright)
 		pline("You are not wearing any rings.");
 	else {
-		char lets[3];
-		register int ct = 0;
+		char            lets[3];
+		int             ct = 0;
 
-		if(uleft) lets[ct++] = obj_to_let(uleft);
-		if(uright) lets[ct++] = obj_to_let(uright);
+		if (uleft)
+			lets[ct++] = obj_to_let(uleft);
+		if (uright)
+			lets[ct++] = obj_to_let(uright);
 		lets[ct] = 0;
 		doinv(lets);
 	}
-	return(0);
+	return (0);
 }
 
-digit(c) char c; {
-	return(c >= '0' && c <= '9');
+int
+digit(c)
+	char            c;
+{
+	return (c >= '0' && c <= '9');
 }
-- 
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