--- init.c.orig	1996-01-29 23:21:02.000000000 +0100
+++ init.c	2023-01-21 08:35:20.788823913 +0100
@@ -164,13 +164,19 @@
  *	%B = VARIABLE NUMBER OF BLANKS
  *	%! = THE ENTIRE MESSAGE SHOULD BE SUPPRESSED */
 
-initialise() {
+static int quick_init();
+static int raw_init();
+static int finish_init();
+static void report();
+static int quick_save();
+
+void initialise() {
 	printf("Initialising...\n");
 	if(!quick_init()){raw_init(); report(); quick_save();}
 	finish_init();
 }
 
-static raw_init() {
+static int raw_init() {
 	printf("Couldn't find adventure.data, using adventure.text...\n");
 
 /*  CLEAR OUT THE VARIOUS TEXT-POINTER ARRAYS.  ALL TEXT IS STORED IN ARRAY
@@ -366,7 +372,7 @@
  *  CORRECT LINK TO USE.)  ABB IS ZEROED; IT CONTROLS WHETHER THE ABBREVIATED
  *  DESCRIPTION IS PRINTED.  COUNTS MOD 5 UNLESS "LOOK" IS USED. */
 
-static finish_init() {
+static int finish_init() {
 	/* 1101 */ for (I=1; I<=100; I++) {
 	PLACE[I]=0;
 	PROP[I]=0;
@@ -590,7 +596,7 @@
 
 /*  REPORT ON AMOUNT OF ARRAYS ACTUALLY USED, TO PERMIT REDUCTIONS. */
 
-static report() {
+static void report() {
 	/* 1998 */ for (K=1; K<=LOCSIZ; K++) {
 	KK=LOCSIZ+1-K;
 	if(LTEXT[KK] != 0) goto L1997;
@@ -631,8 +637,9 @@
 
 static void quick_item(long*);
 static void quick_array(long*, long);
+static int quick_io();
 
-static quick_init() {
+static int quick_init() {
 #ifdef AMIGA
 	f = fopen("ram:adventure.data", READ_MODE);
 #else
@@ -652,7 +659,7 @@
 	return(init_cksum == 0);
 }
 
-static quick_save() {
+static int quick_save() {
 	printf("Writing adventure.data...\n");
 	f = fopen("adventure.data",WRITE_MODE);
 	if(f == NULL){printf("Can't open file!\n"); return(0);}
@@ -664,7 +671,7 @@
 	return(0);
 }
 
-static quick_io() {
+static int quick_io() {
 	quick_item(&LINUSE);
 	quick_item(&TRVS);
 	quick_item(&CLSSES);