--- a/arogue7/trader.c	Sun Feb 07 14:39:21 2016 -0500
+++ b/arogue7/trader.c	Fri Feb 19 21:02:28 2016 -0500
@@ -16,18 +16,22 @@
  * Anything to do with trading posts
  */
 
+#include <ctype.h>
+#include <string.h>
 #include "curses.h"
 #include "rogue.h"
 
-
-
+bool open_market(void);
+void trans_line(void);
+char *typ_name(struct object *obj);
 
 
 /*
  * buy_it:
  *	Buy the item on which the hero stands
  */
-buy_it()
+void
+buy_it(void)
 {
 	reg int wh;
 	struct linked_list *item;
@@ -79,9 +83,10 @@
 /*
  * do_post:
  *	Put a trading post room and stuff on the screen
+ * startup: True if equipping the player at the beginning of the game
  */
-do_post(startup)
-bool startup;	/* True if equipping the player at the beginning of the game */
+void
+do_post(bool startup)
 {
 	coord tp;
 	reg int i, j, k;
@@ -322,8 +327,8 @@
  * get_worth:
  *	Calculate an objects worth in gold
  */
-get_worth(obj)
-reg struct object *obj;
+int
+get_worth(struct object *obj)
 {
 	reg int worth, wh;
 
@@ -393,7 +398,8 @@
  * open_market:
  *	Retruns TRUE when ok do to transacting
  */
-open_market()
+bool
+open_market(void)
 {
 	if (trader >= MAXPURCH && !wizard && level != 0) {
 	    msg("The market is closed. The stairs are that-a-way.");
@@ -408,7 +414,8 @@
  * price_it:
  *	Price the object that the hero stands on
  */
-price_it()
+bool
+price_it(void)
 {
 	reg struct linked_list *item;
 	reg struct object *obj;
@@ -445,7 +452,8 @@
  * sell_it:
  *	Sell an item to the trading post
  */
-sell_it()
+void
+sell_it(void)
 {
 	reg struct linked_list *item;
 	reg struct object *obj;
@@ -491,7 +499,8 @@
  * trans_line:
  *	Show how many transactions the hero has left
  */
-trans_line()
+void
+trans_line(void)
 {
 	if (level == 0)
 	    sprintf(prbuf, "You are welcome to spend whatever you have.");
@@ -511,8 +520,7 @@
  * 	Return the name for this type of object
  */
 char *
-typ_name(obj)
-reg struct object *obj;
+typ_name(struct object *obj)
 {
 	static char buff[20];
 	reg int wh;