--- a/srogue/pstats.c	Thu Jan 28 18:55:47 2016 -0500
+++ b/srogue/pstats.c	Sun Jan 31 13:45:07 2016 -0500
@@ -13,15 +13,15 @@
 #include "rogue.h"
 #include "rogue.ext"
 
+void updabil(int what, int amt, struct real *pst, int how);
+int hungdam(void);
 
 /*
  * chg_hpt:
  *	Changes players hit points
  */
-chg_hpt(howmany, alsomax, what)
-int howmany;
-bool alsomax;
-char what;
+void
+chg_hpt(int howmany, bool alsomax, char what)
 {
 	nochange = FALSE;
 	if(alsomax)
@@ -38,8 +38,8 @@
  * rchg_str:
  *	Update the players real strength 
  */
-rchg_str(amt)
-int amt;
+void
+rchg_str(int amt)
 {
 	chg_abil(STR,amt,TRUE);
 }
@@ -48,8 +48,8 @@
  * chg_abil:
  *	Used to modify the hero's abilities
  */
-chg_abil(what,amt,how)
-int amt, what, how;
+void
+chg_abil(int what, int amt, int how)
 {
 	if (amt == 0)
 		return;
@@ -66,9 +66,8 @@
  * updabil:
  *	Do the actual abilities updating
  */
-updabil(what, amt, pst, how)
-struct real *pst;
-int what, amt, how;
+void
+updabil(int what, int amt, struct real *pst, int how)
 {
 	register int *wh, *mx, *mr;
 	struct real *mst, *msr;
@@ -138,8 +137,8 @@
  * add_haste:
  *	add a haste to the player
  */
-add_haste(potion)
-bool potion;
+void
+add_haste(bool potion)
 {
 	if (pl_on(ISHASTE)) {
 		msg("You faint from exhaustion.");
@@ -160,9 +159,8 @@
  * getpdex:
  *	Gets players added dexterity for fighting
  */
-getpdex(who, heave)
-struct stats *who;
-bool heave;
+int
+getpdex(struct stats *who, bool heave)
 {
 	reg int edex;
 
@@ -217,8 +215,8 @@
  * getpwis:
  *	Get a players wisdom for fighting
  */
-getpwis(who)
-struct stats *who;
+int
+getpwis(struct stats *who)
 {
 	reg int ewis;
 
@@ -249,8 +247,8 @@
  * getpcon:
  *	Get added hit points from players constitution
  */
-getpcon(who)
-struct stats *who;
+int
+getpcon(struct stats *who)
 {
 	reg int econ;
 
@@ -282,8 +280,8 @@
  * str_plus:
  *	compute bonus/penalties for strength on the "to hit" roll
  */
-str_plus(who)
-struct stats *who;
+int
+str_plus(struct stats *who)
 {
 	reg int hitplus, str;
 
@@ -315,8 +313,8 @@
  * add_dam:
  *	Compute additional damage done depending on strength
  */
-add_dam(who)
-struct stats *who;
+int
+add_dam(struct stats *who)
 {
 	reg int exdam, str;
 
@@ -350,7 +348,8 @@
  * hungdam:
  *	Calculate damage depending on players hungry state
  */
-hungdam()
+int
+hungdam(void)
 {
 	switch (hungry_state) {
 		case F_OKAY:
@@ -364,9 +363,8 @@
  * heal_self:
  *	Heal the hero.
  */
-heal_self(factor, updmaxhp)
-int factor;
-bool updmaxhp;
+void
+heal_self(int factor, bool updmaxhp)
 {
 	him->s_hpt += roll(him->s_lvl + getpcon(him), factor);
 	if (updmaxhp)