--- lout-3.19-src/z10.c	Thu Mar  9 15:40:47 2000
+++ lout-3.19/z10.c	Sat Apr  1 21:52:21 2000
@@ -66,7 +66,7 @@
 #define	crtab_chain(S,i) (S)->tab_chains[i]
 
 #define hash(pos, sym, fnum, S)						\
-{ pos = ( ((long) sym) + fnum ) % crtab_size(S);				\
+{ pos = ( ((unsigned long) sym) + fnum ) % crtab_size(S);		\
 }
 
 static CROSSREF_TABLE crtab_new(int newsize)
@@ -85,7 +85,7 @@
 } /* end crtab_new */
 
 static CROSSREF_TABLE crtab_rehash(CROSSREF_TABLE S, int newsize)
-{ CROSSREF_TABLE NewS;  int i;  long newpos;  CROSSREF_ENTRY p, q;
+{ CROSSREF_TABLE NewS;  int i;  unsigned long newpos;  CROSSREF_ENTRY p, q;
   NewS = crtab_new(newsize);
   for( i = 0;  i < crtab_size(S);  i++ )
   { p = crtab_chain(S, i);
@@ -105,7 +105,7 @@
 } /* end crtab_rehash */
 
 static int crtab_getnext(OBJECT sym, FILE_NUM fnum, CROSSREF_TABLE *S)
-{ CROSSREF_ENTRY x;  OBJECT t;  long pos;
+{ CROSSREF_ENTRY x;  OBJECT t;  unsigned long pos;
 
   /* if S is NULL, create a new table */
   if( *S == NULL )  *S = crtab_new(INIT_CROSSREF_NUM);
--- lout-3.19-src/z33.c	Thu Mar  9 15:41:03 2000
+++ lout-3.19/z33.c	Sat Apr  1 21:50:37 2000
@@ -59,7 +59,7 @@
 
 #define hash(pos, sym, tag, S)						\
 { FULL_CHAR *p = tag;							\
-  pos = (long) sym;							\
+  pos = (unsigned long) sym;						\
   while( *p ) pos += *p++;						\
   pos = pos % dtab_size(S);						\
 }
@@ -101,7 +101,7 @@
 } /* end dtab_rehash */
 
 static void dtab_insert(OBJECT x, DBCHECK_TABLE *S)
-{ long pos;  OBJECT z, link, y;
+{ unsigned long pos;  OBJECT z, link, y;
   if( dtab_count(*S) == dtab_size(*S) - 1 )	/* one less since 0 unused */
     *S = dtab_rehash(*S, 2*dtab_size(*S));
   dtab_count(*S)++;
@@ -118,7 +118,7 @@
 } /* end dtab_insert */
 
 static OBJECT dtab_retrieve(OBJECT sym, FULL_CHAR *tag, DBCHECK_TABLE S)
-{ OBJECT x, link, y;  long pos;
+{ OBJECT x, link, y;  unsigned long pos;
   hash(pos, sym, tag, S);
   x = dtab_item(S, pos);
   if( x == nilobj )  return nilobj;
--- lout-3.19-src/z47.c	Thu Mar  9 15:41:13 2000
+++ lout-3.19/z47.c	Sat Apr  1 21:51:55 2000
@@ -48,7 +48,7 @@
 
 #define hash1(pos, env, fnum)						\
 {									\
-  pos = ( (int) env + fnum ) % TAB_SIZE;				\
+  pos = ( (unsigned int) env + fnum ) % TAB_SIZE;			\
 }
 
 #define hash2(pos, fnum, offset)					\
@@ -91,7 +91,7 @@
 /*****************************************************************************/
 
 BOOLEAN EnvWriteRetrieve(OBJECT env, FILE_NUM fnum, int *offset, int *lnum)
-{ int pos;  OBJECT link, y, z;
+{ unsigned int pos;  OBJECT link, y, z;
   debug2(DET, DD, "EnvWriteRetrieve(env %d, %s)", (int) env, FileName(fnum));
   debug1(DET, DDD, "  %s", EchoObject(env));
   stat_writes++;
@@ -127,7 +127,7 @@
 /*****************************************************************************/
 
 void EnvWriteInsert(OBJECT env, FILE_NUM fnum, int offset, int lnum)
-{ int pos;  OBJECT loser, x;
+{ unsigned int pos;  OBJECT loser, x;
   debug3(DET, DD, "EnvWriteInsert(env %d, %s, %d)", (int) env,
     FileName(fnum), offset);