shadowed declaration warning

<Someone> complained that his compiler was giving these
warnings:
cmd.c:2119: warning: declaration of `expl' shadows a global declaration
dungeon.c:292: warning: declaration of `rand' shadows a global declaration
exper.c💯 warning: declaration of `exp' shadows a global declaration
files.c:278: warning: declaration of `basename' shadows a global declaration
hack.c:1102: warning: declaration of `expl' shadows a global declaration
pickup.c:2081: warning: declaration of `select' shadows a global declaration
role.c:1060: warning: declaration of `conj' shadows a global declaration

src/cmd.c

@@ -2202,7 +2202,7 @@ const char *msg;
 	char ctrl;
 	winid win;
 	static const char wiz_only_list[] = "EFGIOVW";
-	char buf[BUFSZ], buf2[BUFSZ], *expl;
+	char buf[BUFSZ], buf2[BUFSZ], *explain;
 
 	win = create_nhwindow(NHW_TEXT);
 	if (!win) return FALSE;
@@ -2214,7 +2214,7 @@ const char *msg;
 	if (letter(sym)) { 
 	    sym = highc(sym);
 	    ctrl = (sym - 'A') + 1;
-	    if ((expl = dowhatdoes_core(ctrl, buf2))
+	    if ((explain = dowhatdoes_core(ctrl, buf2))
 		&& (!index(wiz_only_list, sym)
 #ifdef WIZARD
 		    || wizard
@@ -2225,7 +2225,7 @@ const char *msg;
 			" as specified in the Guidebook");
 		putstr(win, 0, buf);
 		putstr(win, 0, "");
-		putstr(win, 0, expl);
+		putstr(win, 0, explain);
 		putstr(win, 0, "");
 		putstr(win, 0, "To use that command, you press");
 		Sprintf(buf,

src/dungeon.c

@@ -279,15 +279,15 @@ struct proto_dungeon *pd;
  * or dungeon entrance can occupy.
  *
  * Note: This follows the acouple (instead of the rcouple) rules for a
- *	 negative random component (rand < 0).  These rules are found
+ *	 negative random component (randc < 0).  These rules are found
  *	 in dgn_comp.y.  The acouple [absolute couple] section says that
  *	 a negative random component means from the (adjusted) base to the
  *	 end of the dungeon.
  */
 STATIC_OVL int
-level_range(dgn, base, rand, chain, pd, adjusted_base)
+level_range(dgn, base, randc, chain, pd, adjusted_base)
 	xchar	dgn;
-	int	base, rand, chain;
+	int	base, randc, chain;
 	struct proto_dungeon *pd;
 	int *adjusted_base;
 {
@@ -308,11 +308,11 @@ level_range(dgn, base, rand, chain, pd, adjusted_base)
 
 	*adjusted_base = base;
 
-	if (rand == -1) {	/* from base to end of dungeon */
+	if (randc == -1) {	/* from base to end of dungeon */
 	    return (lmax - base + 1);
-	} else if (rand) {
+	} else if (randc) {
 	    /* make sure we don't run off the end of the dungeon */
-	    return (((base + rand - 1) > lmax) ? lmax-base+1 : rand);
+	    return (((base + randc - 1) > lmax) ? lmax-base+1 : randc);
 	} /* else only one choice */
 	return 1;
 }

src/exper.c

@@ -97,20 +97,20 @@ experience(mtmp, nk)	/* return # of exp points for mtmp after nk killed */
 }
 
 void
-more_experienced(exp, rexp)
-	register int exp, rexp;
+more_experienced(exper, rexp)
+	register int exper, rexp;
 {
-	long newexp = u.uexp + exp;
-	long rexpincr = 4*exp + rexp;
+	long newexp = u.uexp + exper;
+	long rexpincr = 4*exper + rexp;
 	long newrexp = u.urexp + rexpincr;
 
 	/* cap experience and score on wraparound */
-	if (newexp < 0 && exp > 0) newexp = LONG_MAX;
+	if (newexp < 0 && exper > 0) newexp = LONG_MAX;
 	if (newrexp < 0 && rexpincr > 0) newrexp = LONG_MAX;
 	u.uexp = newexp;
 	u.urexp = newrexp;
 
-	if(exp
+	if(exper
 #ifdef SCORE_ON_BOTL
 	   || flags.showscore
 #endif

src/explode.c

@@ -5,7 +5,7 @@
 #include "hack.h"
 
 /* Note: Arrays are column first, while the screen is row first */
-static int expl[3][3] = {
+static int explosion[3][3] = {
 	{ S_explode1, S_explode4, S_explode7 },
 	{ S_explode2, S_explode5, S_explode8 },
 	{ S_explode3, S_explode6, S_explode9 }
@@ -189,7 +189,7 @@ int expltype;
 		for (i=0; i<3; i++) for (j=0; j<3; j++) {
 			if (explmask[i][j] == 2) continue;
 			tmp_at(starting ? DISP_BEAM : DISP_CHANGE,
-				explosion_to_glyph(expltype,expl[i][j]));
+				explosion_to_glyph(expltype,explosion[i][j]));
 			tmp_at(i+x-1, j+y-1);
 			starting = 0;
 		}
@@ -215,7 +215,7 @@ int expltype;
 		    for (i=0; i<3; i++) for (j=0; j<3; j++) {
 			if (explmask[i][j] == 1)
 			    show_glyph(i+x-1,j+y-1,
-					explosion_to_glyph(expltype, expl[i][j]));
+					explosion_to_glyph(expltype, explosion[i][j]));
 		    }
 
 		} else {		/* delay a little bit. */

src/files.c

@@ -280,30 +280,30 @@ int bufsz;
 /*ARGSUSED*/
 #endif
 const char *
-fqname(basename, whichprefix, buffnum)
-const char *basename;
+fqname(basenam, whichprefix, buffnum)
+const char *basenam;
 int whichprefix, buffnum;
 {
 #ifndef PREFIXES_IN_USE
-	return basename;
+	return basenam;
 #else
-	if (!basename || whichprefix < 0 || whichprefix >= PREFIX_COUNT)
-		return basename;
+	if (!basenam || whichprefix < 0 || whichprefix >= PREFIX_COUNT)
+		return basenam;
 	if (!fqn_prefix[whichprefix])
-		return basename;
+		return basenam;
 	if (buffnum < 0 || buffnum >= FQN_NUMBUF) {
 		impossible("Invalid fqn_filename_buffer specified: %d",
 								buffnum);
 		buffnum = 0;
 	}
-	if (strlen(fqn_prefix[whichprefix]) + strlen(basename) >=
+	if (strlen(fqn_prefix[whichprefix]) + strlen(basenam) >=
 						    FQN_MAX_FILENAME) {
 		impossible("fqname too long: %s + %s", fqn_prefix[whichprefix],
-						basename);
-		return basename;	/* XXX */
+						basenam);
+		return basenam;	/* XXX */
 	}
 	Strcpy(fqn_filename_buffer[buffnum], fqn_prefix[whichprefix]);
-	return strcat(fqn_filename_buffer[buffnum], basename);
+	return strcat(fqn_filename_buffer[buffnum], basenam);
 #endif
 }
 

src/hack.c

@@ -1132,17 +1132,17 @@ domove()
 	if (context.forcefight ||
 	    /* remembered an 'I' && didn't use a move command */
 	    (glyph_is_invisible(levl[x][y].glyph) && !context.nopick)) {
-		boolean expl = (Upolyd && attacktype(youmonst.data, AT_EXPL));
+		boolean explo = (Upolyd && attacktype(youmonst.data, AT_EXPL));
 	    	char buf[BUFSZ];
 		Sprintf(buf,"a vacant spot on the %s", surface(x,y));
 		You("%s %s.",
-		    expl ? "explode at" : "attack",
+		    explo ? "explode at" : "attack",
 		    !Underwater ? "thin air" :
 		    is_pool(x,y) ? "empty water" : buf);
 		unmap_object(x, y); /* known empty -- remove 'I' if present */
 		newsym(x, y);
 		nomul(0);
-		if (expl) {
+		if (explo) {
 		    u.mh = -1;		/* dead in the current form */
 		    rehumanize();
 		}

src/pickup.c

@@ -2077,7 +2077,7 @@ register int held;
 #endif
 	boolean one_by_one, allflag, quantum_cat = FALSE,
 		loot_out = FALSE, loot_in = FALSE;
-	char select[MAXOCLASSES+1];
+	char selection[MAXOCLASSES+1];
 	char qbuf[BUFSZ], emptymsg[BUFSZ], pbuf[QBUFSZ];
 	long loss = 0L;
 	int cnt = 0, used = 0,
@@ -2182,7 +2182,7 @@ ask_again2:
 		    container_contents(current_container, FALSE, FALSE);
 		    goto ask_again2;
 		case 'y':
-		    if (query_classes(select, &one_by_one, &allflag,
+		    if (query_classes(selection, &one_by_one, &allflag,
 				      "take out", current_container->cobj,
 				      FALSE,
 #ifndef GOLDOBJ
@@ -2190,7 +2190,7 @@ ask_again2:
 #endif
 				      &menu_on_request)) {
 			if (askchain((struct obj **)&current_container->cobj,
-				     (one_by_one ? (char *)0 : select),
+				     (one_by_one ? (char *)0 : selection),
 				     allflag, out_container,
 				     (int FDECL((*),(OBJ_P)))0,
 				     0, "nodot"))
@@ -2273,14 +2273,14 @@ ask_again2:
 	    } else {
 		/* traditional code */
 		menu_on_request = 0;
-		if (query_classes(select, &one_by_one, &allflag, "put in",
+		if (query_classes(selection, &one_by_one, &allflag, "put in",
 				   invent, FALSE,
 #ifndef GOLDOBJ
 				   (u.ugold != 0L),
 #endif
 				   &menu_on_request)) {
 		    (void) askchain((struct obj **)&invent,
-				    (one_by_one ? (char *)0 : select), allflag,
+				    (one_by_one ? (char *)0 : selection), allflag,
 				    in_container, ck_bag, 0, "nodot");
 		    used = 1;
 		} else if (menu_on_request < 0) {

src/role.c

@@ -1057,13 +1057,13 @@ promptsep(buf, num_post_attribs)
 char *buf;
 int num_post_attribs;
 {
-	const char *conj = "and ";
+	const char *conjuct = "and ";
 	if (num_post_attribs > 1
 	    && post_attribs < num_post_attribs && post_attribs > 1)
 	 	Strcat(buf, ","); 
 	Strcat(buf, " ");
 	--post_attribs;
-	if (!post_attribs && num_post_attribs > 1) Strcat(buf, conj);
+	if (!post_attribs && num_post_attribs > 1) Strcat(buf, conjuct);
 	return buf;
 }