From 0f65f6be81e8117ab0ad67ad3945779f682870d8 Mon Sep 17 00:00:00 2001
From: Tod Bookless <tod@bookless.net>
Date: Wed, 3 Dec 2025 22:06:41 -0800
Subject: [PATCH 1/8] Replaced the old-style function declarations with modern
 C-style declarations for better readability and maintainability.

---
 villns.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/villns.c b/villns.c
index 373843c..f169d3a 100644
--- a/villns.c
+++ b/villns.c
@@ -7,8 +7,7 @@
 #include "funcs.h"
 #include "vars.h"
 
-logical trollp_(arg)
-integer arg;
+logical trollp_(integer arg)
 {
     /* System generated locals */
     logical ret_val;
@@ -167,8 +166,7 @@ integer arg;
 
 /* DECLARATIONS */
 
-logical cyclop_(arg)
-integer arg;
+logical cyclop_(integer arg)
 {
     /* System generated locals */
     integer i__1, i__2;
@@ -306,8 +304,7 @@ integer arg;
 
 /* DECLARATIONS */
 
-logical thiefp_(arg)
-integer arg;
+logical thiefp_(integer arg)
 {
     /* System generated locals */
     integer i__1;

From fdf80476094ed6a866be691eadfa8ae21ea9ae88 Mon Sep 17 00:00:00 2001
From: Tod Bookless <tod@bookless.net>
Date: Thu, 4 Dec 2025 12:15:09 -0800
Subject: [PATCH 2/8] Fixed a function definition without a prototype is
 deprecated in all versions of C and is not supported in C23

---
 actors.c |  3 +--
 ballop.c |  3 +--
 clockr.c |  7 +------
 demons.c | 10 ++--------
 dgame.c  |  6 ++----
 dinit.c  | 19 ++++++-------------
 dmain.c  |  4 +---
 dso1.c   | 11 +++--------
 dso2.c   | 10 +++-------
 dso3.c   | 17 +++--------------
 dso4.c   | 24 +++++-------------------
 dso5.c   | 16 ++++------------
 dso6.c   |  7 ++-----
 dso7.c   | 11 +++--------
 dsub.c   | 52 +++++++++++++---------------------------------------
 dverb1.c | 12 ++++--------
 dverb2.c |  3 +--
 lightp.c |  3 +--
 nobjs.c  |  8 ++------
 np.c     | 21 ++++-----------------
 np1.c    |  5 +----
 np2.c    | 19 +++----------------
 np3.c    | 20 ++++----------------
 nrooms.c | 14 +++-----------
 objcts.c |  4 +---
 rooms.c  |  3 +--
 sobjs.c  |  4 +---
 supp.c   | 11 +++--------
 sverbs.c |  3 +--
 verbs.c  |  3 +--
 30 files changed, 81 insertions(+), 252 deletions(-)

diff --git a/actors.c b/actors.c
index 6ac023d..5f158e2 100644
--- a/actors.c
+++ b/actors.c
@@ -7,8 +7,7 @@
 #include "funcs.h"
 #include "vars.h"
 
-logical aappli_(ri)
-integer ri;
+logical aappli_(integer ri)
 {
     /* System generated locals */
     logical ret_val;
diff --git a/ballop.c b/ballop.c
index d1ea8e2..e7f05ed 100644
--- a/ballop.c
+++ b/ballop.c
@@ -7,8 +7,7 @@
 #include "funcs.h"
 #include "vars.h"
 
-logical ballop_(arg)
-integer arg;
+logical ballop_(integer arg)
 {
     /* System generated locals */
     logical ret_val;
diff --git a/clockr.c b/clockr.c
index 24592ea..dfa4efc 100644
--- a/clockr.c
+++ b/clockr.c
@@ -763,12 +763,7 @@ integer ri;
 
 /* DECLARATIONS */
 
-static void litint_(obj, ctr, cev, ticks, tickln)
-integer obj;
-integer *ctr;
-integer cev;
-const integer *ticks;
-integer tickln;
+static void litint_(integer obj, integer *ctr, integer cev, const integer *ticks, integer tickln)
 {
     /* Parameter adjustments */
     --ticks;
diff --git a/demons.c b/demons.c
index 130c5ce..46253e0 100644
--- a/demons.c
+++ b/demons.c
@@ -175,12 +175,7 @@ void fightd_()
 
 /* DECLARATIONS */
 
-integer blow_(h, v, rmk, hflg, out)
-integer h;
-integer v;
-integer rmk;
-logical hflg;
-integer out;
+integer blow_(integer h, integer v, integer rmk, logical hflg, integer out)
 {
     /* Initialized data */
 
@@ -581,8 +576,7 @@ void swordd_()
 /* INFEST-	SUBROUTINE TO TEST FOR INFESTED ROOM */
 
 /* DECLARATIONS */
-static logical infest_(r)
-integer r;
+static logical infest_(integer r)
 {
     /* System generated locals */
     logical ret_val;
diff --git a/dgame.c b/dgame.c
index a211a14..bb94f23 100644
--- a/dgame.c
+++ b/dgame.c
@@ -205,8 +205,7 @@ void game_()
 
 /* DECLARATIONS */
 
-static void xendmv_(flag)
-logical flag;
+static void xendmv_(logical flag)
 {
     /* Local variables */
     logical f;
@@ -241,8 +240,7 @@ logical flag;
 
 /* DECLARATIONS */
 
-static logical xvehic_(n)
-integer n;
+static logical xvehic_(integer n)
 {
     /* System generated locals */
     logical ret_val;
diff --git a/dinit.c b/dinit.c
index d687cf4..cc85f99 100644
--- a/dinit.c
+++ b/dinit.c
@@ -26,7 +26,9 @@ FILE *dbfile;
 #ifdef unix
 #define TEXTFILE "/usr/games/lib/dunlib/dtextc.dat"
 #else /* ! unix */
- I need a definition for TEXTFILE
+/* I need a definition for TEXTFILE */
+/* Defaulting to the unix location to handle the error */
+#define TEXTFILE "/usr/games/lib/dunlib/dtextc.dat"
 #endif /* ! unix */
 #endif /* ! __AMOS__ */
 #endif /* ! TEXTFILE */
@@ -43,10 +45,7 @@ FILE *dbfile;
 
 /* Read a number of two byte integers from the index file */
 
-static void rdints(c, pi, indxfile)
-integer c;
-integer *pi;
-FILE *indxfile;
+static void rdints( integer c, integer *pi, FILE *indxfile)
 {
     integer ch;	/* Local variable for rdint */
 
@@ -58,10 +57,7 @@ FILE *indxfile;
  * pairs.
  */
 
-static void rdpartialints(c, pi, indxfile)
-integer c;
-integer *pi;
-FILE *indxfile;
+static void rdpartialints(integer c, integer *pi, FILE *indxfile)
 {
     integer ch;	/* Local variable for rdint */
 
@@ -85,10 +81,7 @@ FILE *indxfile;
 
 /* Read a number of one byte flags from the index file */
 
-static void rdflags(c, pf, indxfile)
-integer c;
-logical *pf;
-FILE *indxfile;
+static void rdflags(integer c, logical *pf, FILE *indxfile)
 {
     while (c-- != 0)
 	*pf++ = getc(indxfile);
diff --git a/dmain.c b/dmain.c
index 4144ff4..0d4edc2 100644
--- a/dmain.c
+++ b/dmain.c
@@ -10,9 +10,7 @@
 #include "funcs.h"
 #include "vars.h"
 
-void main(argc, argv)
-int argc;
-char **argv;
+void main(int argc, char **argv)
 {
 /* 1) INITIALIZE DATA STRUCTURES */
 /* 2) PLAY GAME */
diff --git a/dso1.c b/dso1.c
index e29750e..0b41769 100644
--- a/dso1.c
+++ b/dso1.c
@@ -7,9 +7,7 @@
 #include "funcs.h"
 #include "vars.h"
 
-void princr_(full, rm)
-logical full;
-integer rm;
+void princr_(logical full, integer rm)
 {
     /* System generated locals */
     integer i__1, i__2;
@@ -96,8 +94,7 @@ integer rm;
 
 /* DECLARATIONS */
 
-void invent_(adv)
-integer adv;
+void invent_(integer adv)
 {
     /* System generated locals */
     integer i__1;
@@ -158,9 +155,7 @@ integer adv;
 
 /* DECLARATIONS */
 
-void princo_(obj, desc)
-integer obj;
-integer desc;
+void princo_(integer obj, integer desc)
 {
     /* System generated locals */
     integer i__1;
diff --git a/dso2.c b/dso2.c
index dca841e..b35b573 100644
--- a/dso2.c
+++ b/dso2.c
@@ -8,9 +8,7 @@
 #include "funcs.h"
 #include "vars.h"
 
-logical moveto_(nr, who)
-integer nr;
-integer who;
+logical moveto_(integer nr, integer who)
 {
     /* System generated locals */
     logical ret_val;
@@ -94,8 +92,7 @@ integer who;
 
 /* DECLARATIONS */
 
-void score_(flg)
-logical flg;
+void score_(logical flg)
 {
     /* Initialized data */
 
@@ -162,8 +159,7 @@ logical flg;
 
 /* DECLARATIONS */
 
-void scrupd_(n)
-integer n;
+void scrupd_(integer n)
 {
     if (findex_1.endgmf) {
 	goto L100;
diff --git a/dso3.c b/dso3.c
index 8aa265d..d74de69 100644
--- a/dso3.c
+++ b/dso3.c
@@ -8,9 +8,7 @@
 #include "funcs.h"
 #include "vars.h"
 
-logical findxt_(dir, rm)
-integer dir;
-integer rm;
+logical findxt_(integer dir, integer rm)
 {
     /* System generated locals */
     logical ret_val;
@@ -70,13 +68,7 @@ integer rm;
 
 /* DECLARATIONS */
 
-integer fwim_(f1, f2, rm, con, adv, nocare)
-integer f1;
-integer f2;
-integer rm;
-integer con;
-integer adv;
-logical nocare;
+integer fwim_(integer f1, integer f2, integer rm, integer con, integer adv, logical nocare)
 {
     /* System generated locals */
     integer ret_val, i__1, i__2;
@@ -160,10 +152,7 @@ logical nocare;
 
 /* 	YES-IS-TRUE=YESNO(QUESTION,YES-STRING,NO-STRING) */
 
-logical yesno_(q, y, n)
-integer q;
-integer y;
-integer n;
+logical yesno_(integer q, integer y, integer n)
 {
     /* System generated locals */
     logical ret_val;
diff --git a/dso4.c b/dso4.c
index 57f033d..8b60809 100644
--- a/dso4.c
+++ b/dso4.c
@@ -7,11 +7,7 @@
 #include "funcs.h"
 #include "vars.h"
 
-integer robadv_(adv, nr, nc, na)
-integer adv;
-integer nr;
-integer nc;
-integer na;
+integer robadv_(integer adv, integer nr, integer nc, integer na)
 {
     /* System generated locals */
     integer ret_val, i__1;
@@ -40,12 +36,7 @@ integer na;
 
 /* DECLARATIONS */
 
-integer robrm_(rm, pr, nr, nc, na)
-integer rm;
-integer pr;
-integer nr;
-integer nc;
-integer na;
+integer robrm_(integer rm, integer pr, integer nr, integer nc, integer na)
 {
     /* System generated locals */
     integer ret_val, i__1, i__2;
@@ -91,9 +82,7 @@ integer na;
 
 /* DECLARATIONS */
 
-logical winnin_(vl, hr)
-integer vl;
-integer hr;
+logical winnin_(integer vl, integer hr)
 {
     /* System generated locals */
     logical ret_val;
@@ -138,9 +127,7 @@ integer hr;
 
 /* DECLARATIONS */
 
-integer fights_(h, flg)
-integer h;
-logical flg;
+integer fights_(integer h, logical flg)
 {
     /* Initialized data */
 
@@ -162,8 +149,7 @@ logical flg;
 
 /* DECLARATIONS */
 
-integer vilstr_(v)
-integer v;
+integer vilstr_(integer v)
 {
     /* System generated locals */
     integer ret_val, i__1, i__2, i__3;
diff --git a/dso5.c b/dso5.c
index f360086..bc5698e 100644
--- a/dso5.c
+++ b/dso5.c
@@ -7,8 +7,7 @@
 
 /* GTTIME-- GET TOTAL TIME PLAYED */
 
-void gttime_(t)
-integer *t;
+void gttime_(integer *t)
 {
     integer h, m, s;
 
@@ -25,10 +24,7 @@ integer *t;
 
 /* DECLARATIONS */
 
-logical opncls_(obj, so, sc)
-integer obj;
-integer so;
-integer sc;
+logical opncls_(integer obj, integer so, integer sc)
 {
     /* System generated locals */
     integer i__1;
@@ -77,8 +73,7 @@ integer sc;
 
 /* DECLARATIONS */
 
-logical lit_(rm)
-integer rm;
+logical lit_(integer rm)
 {
     /* System generated locals */
     integer i__1, i__2;
@@ -144,10 +139,7 @@ integer rm;
 
 /* DECLARATIONS */
 
-integer weight_(rm, cn, ad)
-integer rm;
-integer cn;
-integer ad;
+integer weight_(integer rm, integer cn, integer ad)
 {
     /* System generated locals */
     integer ret_val, i__1;
diff --git a/dso6.c b/dso6.c
index 0fea115..721f03d 100644
--- a/dso6.c
+++ b/dso6.c
@@ -7,9 +7,7 @@
 #include "funcs.h"
 #include "vars.h"
 
-logical ghere_(obj, rm)
-integer obj;
-integer rm;
+logical ghere_(integer obj, integer rm)
 {
     /* System generated locals */
     logical ret_val;
@@ -130,8 +128,7 @@ integer rm;
 
 /* DECLARATIONS */
 
-integer mrhere_(rm)
-integer rm;
+integer mrhere_(integer rm)
 {
     /* System generated locals */
     integer ret_val, i__1;
diff --git a/dso7.c b/dso7.c
index 00e26a7..b84b669 100644
--- a/dso7.c
+++ b/dso7.c
@@ -8,9 +8,7 @@
 #include "funcs.h"
 #include "vars.h"
 
-void encryp_(inw, outw)
-const char *inw;
-char *outw;
+void encryp_(const char *inw, char *outw)
 {
     /* Initialized data */
 
@@ -62,8 +60,7 @@ char *outw;
 
 /* DECLARATIONS */
 
-void cpgoto_(st)
-integer st;
+void cpgoto_(integer st)
 {
     /* System generated locals */
     integer i__1, i__2;
@@ -92,9 +89,7 @@ integer st;
 
 /* DECLARATIONS */
 
-void cpinfo_(rmk, st)
-integer rmk;
-integer st;
+void cpinfo_(integer rmk, integer st)
 {
     /* Initialized data */
 
diff --git a/dsub.c b/dsub.c
index c6efcda..ada053f 100644
--- a/dsub.c
+++ b/dsub.c
@@ -22,8 +22,7 @@ static void rspsb2nl_ P((integer, integer, integer, logical));
 
 /* 	CALL RSPEAK(MSGNUM) */
 
-void rspeak_(n)
-integer n;
+void rspeak_(integer n)
 {
     rspsb2nl_(n, 0, 0, 1);
 } /* rspeak_ */
@@ -34,9 +33,7 @@ integer n;
 
 /* 	CALL RSPSUB(MSGNUM,SUBNUM) */
 
-void rspsub_(n, s1)
-integer n;
-integer s1;
+void rspsub_(integer n, integer s1)
 {
     rspsb2nl_(n, s1, 0, 1);
 } /* rspsub_ */
@@ -47,21 +44,14 @@ integer s1;
 
 /* 	CALL RSPSB2(MSGNUM,SUBNUM1,SUBNUM2) */
 
-void rspsb2_(n, s1, s2)
-integer n;
-integer s1;
-integer s2;
+void rspsb2_(integer n, integer s1, integer s2)
 {
     rspsb2nl_(n, s1, s2, 1);
 } /* rspsb2_ */
 
 /* rspsb2nl_ Display a substitutable message with an optional newline */
 
-static void rspsb2nl_(n, y, z, nl)
-integer n;
-integer y;
-integer z;
-logical nl;
+static void rspsb2nl_(integer n, integer y, integer z, logical nl)
 {
     const char *zkey = "IanLanceTaylorJr";
     long x;
@@ -167,9 +157,7 @@ logical objact_()
 
 /* 	CALL BUG(NO,PAR) */
 
-void bug_(a, b)
-integer a;
-integer b;
+void bug_(integer a, integer b)
 {
     /* Local variables */
 
@@ -189,12 +177,7 @@ integer b;
 
 /* 	CALL NEWSTA(OBJECT,STRING,NEWROOM,NEWCON,NEWADV) */
 
-void newsta_(o, r, rm, cn, ad)
-integer o;
-integer r;
-integer rm;
-integer cn;
-integer ad;
+void newsta_(integer o, integer r, integer rm, integer cn, integer ad)
 {
     rspeak_(r);
     objcts_1.oroom[o - 1] = rm;
@@ -206,9 +189,7 @@ integer ad;
 
 /* DECLARATIONS */
 
-logical qhere_(obj, rm)
-integer obj;
-integer rm;
+logical qhere_(integer obj, integer rm)
 {
     /* System generated locals */
     integer i__1;
@@ -240,8 +221,7 @@ integer rm;
 
 /* DECLARATIONS */
 
-logical qempty_(obj)
-integer obj;
+logical qempty_(integer obj)
 {
     /* System generated locals */
     integer i__1;
@@ -268,8 +248,7 @@ integer obj;
 
 /* DECLARATIONS */
 
-void jigsup_(desc)
-integer desc;
+void jigsup_(integer desc)
 {
     /* Initialized data */
 
@@ -436,8 +415,7 @@ integer desc;
 
 /* DECLARATIONS */
 
-integer oactor_(obj)
-integer obj;
+integer oactor_(integer obj)
 {
     /* System generated locals */
     integer ret_val = 1, i__1;
@@ -465,9 +443,7 @@ integer obj;
 
 /* DECLARATIONS */
 
-logical prob_(g, b)
-integer g;
-integer b;
+logical prob_(integer g, integer b)
 {
     /* System generated locals */
     logical ret_val;
@@ -491,8 +467,7 @@ integer b;
 /* RMDESC PRINTS A DESCRIPTION OF THE CURRENT ROOM. */
 /* IT IS ALSO THE PROCESSOR FOR VERBS 'LOOK' AND 'EXAMINE'. */
 
-logical rmdesc_(full)
-integer full;
+logical rmdesc_(integer full)
 {
     /* System generated locals */
     logical ret_val, L__1;
@@ -603,8 +578,7 @@ integer full;
 
 /* DECLARATIONS */
 
-logical rappli_(ri)
-integer ri;
+logical rappli_(integer ri)
 {
     /* Initialized data */
 
diff --git a/dverb1.c b/dverb1.c
index e6dedbd..72b6c56 100644
--- a/dverb1.c
+++ b/dverb1.c
@@ -9,8 +9,7 @@
 
 /* TAKE AN OBJECT (FOR VERBS TAKE, PUT, DROP, READ, ETC.) */
 
-logical take_(flg)
-logical flg;
+logical take_(logical flg)
 {
     /* System generated locals */
     integer i__1;
@@ -101,8 +100,7 @@ logical flg;
 
 /* DECLARATIONS */
 
-logical drop_(z)
-logical z;
+logical drop_(logical z)
 {
     /* System generated locals */
     logical ret_val;
@@ -190,8 +188,7 @@ logical z;
 
 /* DECLARATIONS */
 
-logical put_(flg)
-logical flg;
+logical put_(logical flg)
 {
     /* System generated locals */
     logical ret_val;
@@ -331,8 +328,7 @@ logical flg;
 
 /* VALUAC- HANDLES VALUABLES/EVERYTHING */
 
-void valuac_(v)
-integer v;
+void valuac_(integer v)
 {
     /* System generated locals */
     integer i__1;
diff --git a/dverb2.c b/dverb2.c
index ec06283..9eec639 100644
--- a/dverb2.c
+++ b/dverb2.c
@@ -351,8 +351,7 @@ logical walk_()
 
 /* DECLARATIONS */
 
-static integer cxappl_(ri)
-integer ri;
+static integer cxappl_(integer ri)
 {
     /* System generated locals */
     integer ret_val, i__1;
diff --git a/lightp.c b/lightp.c
index 6cb2a94..8a4d168 100644
--- a/lightp.c
+++ b/lightp.c
@@ -7,8 +7,7 @@
 #include "funcs.h"
 #include "vars.h"
 
-logical lightp_(obj)
-integer obj;
+logical lightp_(integer obj)
 {
     /* System generated locals */
     logical ret_val;
diff --git a/nobjs.c b/nobjs.c
index b201a55..97d8f9d 100644
--- a/nobjs.c
+++ b/nobjs.c
@@ -11,9 +11,7 @@
 
 static logical mirpan_ P((integer, logical));
 
-logical nobjs_(ri, arg)
-integer ri;
-integer arg;
+logical nobjs_(integer ri, integer arg)
 {
     /* System generated locals */
     integer i__1, i__2;
@@ -855,9 +853,7 @@ integer arg;
 
 /* DECLARATIONS */
 
-static logical mirpan_(st, pnf)
-integer st;
-logical pnf;
+static logical mirpan_(integer st, logical pnf)
 {
     /* System generated locals */
     integer i__1;
diff --git a/np.c b/np.c
index a0ab931..d0fa366 100644
--- a/np.c
+++ b/np.c
@@ -15,9 +15,7 @@ extern int system P((const char *));
 
 static logical lex_ P((char *, integer *, integer *, logical));
 
-void rdline_(buffer, who)
-char *buffer;
-integer who;
+void rdline_(char *buffer, integer who)
 {
     /* Local variables */
     char *z, *zlast;
@@ -63,9 +61,7 @@ integer who;
 
 /* THIS ROUTINE DETAILS ON BIT 0 OF PRSFLG */
 
-logical parse_(inbuf, vbflag)
-char *inbuf;
-logical vbflag;
+logical parse_(char *inbuf, logical vbflag)
 {
     /* System generated locals */
     integer i__1;
@@ -133,12 +129,7 @@ logical vbflag;
 
 /* DECLARATIONS */
 
-void orphan_(o1, o2, o3, o4, o5)
-integer o1;
-integer o2;
-integer o3;
-integer o4;
-integer o5;
+void orphan_(integer o1, integer o2, integer o3, integer o4, integer o5)
 {
     orphs_1.oflag = o1;
 /* 						!SET UP NEW ORPHANS. */
@@ -152,11 +143,7 @@ integer o5;
 
 /* THIS ROUTINE DETAILS ON BIT 1 OF PRSFLAG */
 
-static logical lex_(inbuf, outbuf, op, vbflag)
-char *inbuf;
-integer *outbuf;
-integer *op;
-logical vbflag;
+static logical lex_(char *inbuf, integer *outbuf, integer *op, logical vbflag)
 {
     /* Initialized data */
 
diff --git a/np1.c b/np1.c
index 5afc130..4bedcc3 100644
--- a/np1.c
+++ b/np1.c
@@ -15,10 +15,7 @@
 
 /* THIS ROUTINE DETAILS ON BIT 2 OF PRSFLG */
 
-integer sparse_(lbuf, llnt, vbflag)
-const integer *lbuf;
-integer llnt;
-logical vbflag;
+integer sparse_(const integer *lbuf, integer llnt, logical vbflag)
 {
     /* Initialized data */
 
diff --git a/np2.c b/np2.c
index ddca733..75856cb 100644
--- a/np2.c
+++ b/np2.c
@@ -12,10 +12,7 @@ static logical thisit_ P((integer, integer, integer, integer));
 
 /* THIS ROUTINE DETAILS ON BIT 3 OF PRSFLG */
 
-integer getobj_(oidx, aidx, spcobj)
-integer oidx;
-integer aidx;
-integer spcobj;
+integer getobj_(integer oidx, integer aidx, integer spcobj)
 {
     /* System generated locals */
     integer ret_val, i__1;
@@ -148,13 +145,7 @@ integer spcobj;
 
 /* DECLARATIONS */
 
-integer schlst_(oidx, aidx, rm, cn, ad, spcobj)
-integer oidx;
-integer aidx;
-integer rm;
-integer cn;
-integer ad;
-integer spcobj;
+integer schlst_(integer oidx, integer aidx, integer rm, integer cn, integer ad, integer spcobj)
 {
     /* System generated locals */
     integer ret_val, i__1, i__2;
@@ -252,11 +243,7 @@ integer spcobj;
 
 /* DECLARATIONS */
 
-static logical thisit_(oidx, aidx, obj, spcobj)
-integer oidx;
-integer aidx;
-integer obj;
-integer spcobj;
+static logical thisit_(integer oidx, integer aidx, integer obj, integer spcobj)
 {
     /* Initialized data */
 
diff --git a/np3.c b/np3.c
index 414f6b0..e60255b 100644
--- a/np3.c
+++ b/np3.c
@@ -206,9 +206,7 @@ logical synmch_()
 
 /* DECLARATIONS */
 
-static void unpack_(oldj, j)
-integer oldj;
-integer *j;
+static void unpack_(integer oldj, integer *j)
 {
     /* Local variables */
     integer i;
@@ -272,12 +270,7 @@ integer *j;
 
 /* DECLARATIONS */
 
-static logical syneql_(prep, obj, sprep, sfl1, sfl2)
-integer prep;
-integer obj;
-integer sprep;
-integer sfl1;
-integer sfl2;
+static logical syneql_(integer prep, integer obj, integer sprep, integer sfl1, integer sfl2)
 {
     /* System generated locals */
     logical ret_val;
@@ -300,9 +293,7 @@ integer sfl2;
 
 /* DECLARATIONS */
 
-static logical takeit_(obj, sflag)
-integer obj;
-integer sflag;
+static logical takeit_(integer obj, integer sflag)
 {
     /* System generated locals */
     logical ret_val;
@@ -419,10 +410,7 @@ integer sflag;
 
 /* DECLARATIONS */
 
-static integer gwim_(sflag, sfw1, sfw2)
-integer sflag;
-integer sfw1;
-integer sfw2;
+static integer gwim_(integer sflag, integer sfw1, integer sfw2)
 {
     /* System generated locals */
     integer ret_val;
diff --git a/nrooms.c b/nrooms.c
index 01c907d..4b7bf33 100644
--- a/nrooms.c
+++ b/nrooms.c
@@ -10,8 +10,7 @@
 static void ewtell_ P((integer, integer));
 static void lookto_ P((integer, integer, integer, integer, integer));
 
-logical rappl2_(ri)
-integer ri;
+logical rappl2_(integer ri)
 {
     /* Initialized data */
 
@@ -409,12 +408,7 @@ integer ri;
 
 /* DECLARATIONS */
 
-static void lookto_(nrm, srm, nt, st, ht)
-integer nrm;
-integer srm;
-integer nt;
-integer st;
-integer ht;
+static void lookto_(integer nrm, integer srm, integer nt, integer st, integer ht)
 {
     /* System generated locals */
     integer i__1;
@@ -492,9 +486,7 @@ integer ht;
 
 /* DECLARATIONS */
 
-static void ewtell_(rm, st)
-integer rm;
-integer st;
+static void ewtell_(integer rm, integer st)
 {
     /* System generated locals */
     integer i__1;
diff --git a/objcts.c b/objcts.c
index 2447392..2380766 100644
--- a/objcts.c
+++ b/objcts.c
@@ -7,9 +7,7 @@
 #include "funcs.h"
 #include "vars.h"
 
-logical oappli_(ri, arg)
-integer ri;
-integer arg;
+logical oappli_(integer ri, integer arg)
 {
     /* Initialized data */
 
diff --git a/rooms.c b/rooms.c
index 723ba54..6a6fea6 100644
--- a/rooms.c
+++ b/rooms.c
@@ -7,8 +7,7 @@
 #include "funcs.h"
 #include "vars.h"
 
-logical rappl1_(ri)
-integer ri;
+logical rappl1_(integer ri)
 {
     /* System generated locals */
     integer i__1, i__2;
diff --git a/sobjs.c b/sobjs.c
index 0cadc0b..782f13c 100644
--- a/sobjs.c
+++ b/sobjs.c
@@ -9,9 +9,7 @@
 #include "funcs.h"
 #include "vars.h"
 
-logical sobjs_(ri, arg)
-integer ri;
-integer arg;
+logical sobjs_(integer ri, integer arg)
 {
     /* System generated locals */
     integer i__1;
diff --git a/supp.c b/supp.c
index ef9a62a..432cc08 100644
--- a/supp.c
+++ b/supp.c
@@ -38,10 +38,7 @@ void exit_()
 
 /* Get time in hours, minutes and seconds */
 
-void itime_(hrptr, minptr, secptr)
-integer *hrptr;
-integer *minptr;
-integer *secptr;
+void itime_(integer *hrptr, integer *minptr, integer *secptr)
 {
 	time_t timebuf;
 	struct tm *tmptr;
@@ -55,8 +52,7 @@ integer *secptr;
 }
 /* Random number generator */
 
-integer rnd_(maxval)
-integer maxval;
+integer rnd_(integer maxval)
 {
 	return rand() % maxval;
 }
@@ -204,8 +200,7 @@ void more_init()
  * probably don't).
  */
 
-void more_output(z)
-const char *z;
+void more_output(const char *z)
 {
 /* pager code remarked out to allow streamed input and output */
 /*
diff --git a/sverbs.c b/sverbs.c
index 6a8d44a..3e2cc92 100644
--- a/sverbs.c
+++ b/sverbs.c
@@ -10,8 +10,7 @@
 #include "funcs.h"
 #include "vars.h"
 
-logical sverbs_(ri)
-integer ri;
+logical sverbs_(integer ri)
 {
     /* Initialized data */
 
diff --git a/verbs.c b/verbs.c
index d368c4c..62b3187 100644
--- a/verbs.c
+++ b/verbs.c
@@ -7,8 +7,7 @@
 #include "funcs.h"
 #include "vars.h"
 
-logical vappli_(ri)
-integer ri;
+logical vappli_(integer ri)
 {
     /* Initialized data */
 

From 9d03f188882ab9a930f5cba4416f01b00211ec96 Mon Sep 17 00:00:00 2001
From: Tod Bookless <tod@bookless.net>
Date: Thu, 4 Dec 2025 12:26:56 -0800
Subject: [PATCH 3/8] fixed a function definition without a prototype is
 deprecated in all versions of C and is not supported in C23

---
 clockr.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/clockr.c b/clockr.c
index dfa4efc..04803c6 100644
--- a/clockr.c
+++ b/clockr.c
@@ -10,8 +10,7 @@
 static void litint_ P((integer, integer *, integer, const integer *,
 		       integer));
 
-void cevapp_(ri)
-integer ri;
+void cevapp_(integer ri)
 {
     /* Initialized data */
 

From 11a060688ec05260012675a3e6bfdcbc33f6f71b Mon Sep 17 00:00:00 2001
From: Tod Bookless <tod@bookless.net>
Date: Thu, 4 Dec 2025 12:34:34 -0800
Subject: [PATCH 4/8] Standardized the return type of main

---
 dmain.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dmain.c b/dmain.c
index 0d4edc2..0091820 100644
--- a/dmain.c
+++ b/dmain.c
@@ -10,7 +10,7 @@
 #include "funcs.h"
 #include "vars.h"
 
-void main(int argc, char **argv)
+int main(int argc, char **argv)
 {
 /* 1) INITIALIZE DATA STRUCTURES */
 /* 2) PLAY GAME */

From 36af0f24bf4587925ec7a0ee1e5b5fef3dc9982e Mon Sep 17 00:00:00 2001
From: Tod Bookless <tod@bookless.net>
Date: Thu, 4 Dec 2025 12:35:33 -0800
Subject: [PATCH 5/8] Fixed the return type

---
 dmain.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/dmain.c b/dmain.c
index 0091820..8e4a4e2 100644
--- a/dmain.c
+++ b/dmain.c
@@ -20,5 +20,6 @@ int main(int argc, char **argv)
     }
 /* 						!IF INIT, PLAY GAME. */
     exit_();
+    return 0;
 /* 						!DONE */
-} /* MAIN__ */
+} /* MAIN__ */
\ No newline at end of file

From 94c58860f0046d83224fea4fbdbe4599945791d6 Mon Sep 17 00:00:00 2001
From: Tod Bookless <tod@bookless.net>
Date: Thu, 4 Dec 2025 12:44:35 -0800
Subject: [PATCH 6/8] fixed format specifies type 'int' but the argument has
 type 'long'

---
 dsub.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/dsub.c b/dsub.c
index ada053f..c1ea549 100644
--- a/dsub.c
+++ b/dsub.c
@@ -71,7 +71,7 @@ static void rspsb2nl_(integer n, integer y, integer z, logical nl)
 
     x = ((- x) - 1) * 8;
     if (fseek(dbfile, x + (long)rmsg_1.mrloc, SEEK_SET) == EOF) {
-	fprintf(stderr, "Error seeking database loc %d\n", x);
+	fprintf(stderr, "Error seeking database loc %ld\n", x);
 	exit_();
     }
 
@@ -83,7 +83,7 @@ static void rspsb2nl_(integer n, integer y, integer z, logical nl)
 
 	i = getc(dbfile);
 	if (i == EOF) {
-	    fprintf(stderr, "Error reading database loc %d\n", x);
+	    fprintf(stderr, "Error reading database loc %ld\n", x);
 	    exit_();
 	}
 	i ^= zkey[x & 0xf] ^ (x & 0xff);
@@ -101,7 +101,7 @@ static void rspsb2nl_(integer n, integer y, integer z, logical nl)
 	    iloc = ftell(dbfile);
 	    rspsb2nl_(y, 0, 0, 0);
 	    if (fseek(dbfile, iloc, SEEK_SET) == EOF) {
-		fprintf(stderr, "Error seeking database loc %d\n", iloc);
+		fprintf(stderr, "Error seeking database loc %ld\n", iloc);
 		exit_();
 	    }
 	    y = z;

From 32c28b6774850b16511a0ee0a12cf69f64522abb Mon Sep 17 00:00:00 2001
From: Tod Bookless <tod@bookless.net>
Date: Thu, 4 Dec 2025 12:54:49 -0800
Subject: [PATCH 7/8] fixed an uncommented comment

---
 supp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/supp.c b/supp.c
index 432cc08..4acca4f 100644
--- a/supp.c
+++ b/supp.c
@@ -184,7 +184,7 @@ void more_init()
 
 #else /* ! MORE_AMOS */
 
-    This should be impossible
+    /* This should be impossible */
 
 #endif /* ! MORE_AMOS */
 #endif /* ! MORE_TERMINFO */

From 7bf8111f970bb70d9fec1c740f02e8e813fc8f92 Mon Sep 17 00:00:00 2001
From: Tod Bookless <tod@bookless.net>
Date: Thu, 4 Dec 2025 13:03:25 -0800
Subject: [PATCH 8/8] Included a missing library

---
 local.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/local.c b/local.c
index c205c5c..a645041 100644
--- a/local.c
+++ b/local.c
@@ -1,6 +1,8 @@
 /* local.c -- dungeon functions which need local definition */
 
 #include "funcs.h"
+/* unistd.h needed for getuid() */
+#include <unistd.h> 
 
 #ifdef __AMOS__
 #include <moncal.h>