diff --git a/include/extern.h b/include/extern.h
index 6ee59cc06..33e6c0c15 100644
--- a/include/extern.h
+++ b/include/extern.h
@@ -28,10 +28,7 @@ E void FDECL(welcome, (BOOLEAN_P));
 E time_t NDECL(get_realtime);
 E int FDECL(argcheck, (int, char **, enum earlyarg));
 E void NDECL(early_init);
-E void NDECL(fuzzer_start);
-E void NDECL(fuzzer_stop);
 E void NDECL(fuzzer_toggle);
-E void VDECL(fuzzer_log, (int, const char *, ...)) PRINTF_F(2, 3);
 E void NDECL(fuzzer_check);
 E void NDECL(fuzzer_auto_start);
 E boolean FDECL(fuzzer_msg_history, (const char *));
@@ -1942,6 +1939,9 @@ E void VDECL(raw_printf, (const char *, ...)) PRINTF_F(1, 2);
 E void VDECL(impossible, (const char *, ...)) PRINTF_F(1, 2);
 E void VDECL(config_error_add, (const char *, ...)) PRINTF_F(1, 2);
 E void FDECL(nhassert_failed, (const char *, int));
+E void NDECL(fuzzer_start);
+E void NDECL(fuzzer_stop);
+E void VDECL(fuzzer_log, (int, const char *, ...)) PRINTF_F(2, 3);
 
 /* ### polyself.c ### */
 
diff --git a/src/allmain.c b/src/allmain.c
index 761017e31..39c6f309c 100644
--- a/src/allmain.c
+++ b/src/allmain.c
@@ -4,7 +4,6 @@
 /* NetHack may be freely redistributed.  See license for details. */
 
 /* various code that was replicated in *main.c */
-#define NEED_VARARGS
 #include "hack.h"
 #include <ctype.h>
 
@@ -932,38 +931,6 @@ const char *opts;
     return;
 }
 
-static FILE * g_fuzzer_log_file = NULL;
-static int g_fuzzer_log_level = LOG_MINIMAL;
-
-/* fuzzer_start() starts the fuzzer opening the fuzzer log file */
-void
-fuzzer_start()
-{
-    if (!iflags.debug_fuzzer) {
-        const char * fq_replay;
-
-        iflags.debug_fuzzer = TRUE;
-        iflags.fuzzer_auto_start = FALSE;
-
-        nhassert(g_fuzzer_log_file == NULL);
-        fq_replay = fqname("fuzzer.log", SAVEPREFIX, 0);
-
-        g_fuzzer_log_file = fopen(fq_replay, "w");
-    }
-}
-
-/* fuzzer_stop() stops the fuzzer and close the fuzzer log file */
-void
-fuzzer_stop()
-{
-    if (iflags.debug_fuzzer) {
-        if(g_fuzzer_log_file != NULL) {
-            fclose(g_fuzzer_log_file);
-            g_fuzzer_log_file = NULL;
-        }
-    }
-}
-
 /* fuzzer_toggle() toggles fuzzer state */
 void
 fuzzer_toggle()
@@ -974,29 +941,6 @@ fuzzer_toggle()
         fuzzer_start();
 }
 
-/* fuzzer_log() is used to place messages in the file 'fuzzer.log'.  This
- * log is the primary tool for monitoring fuzzer activity and tracking down
- * issues that the fuzzer is able to reproduce.
- */
-void
-fuzzer_log
-VA_DECL2(int, level, const char *, str)
-{
-    VA_START(str);
-    VA_INIT(str, char *);
-
-    if (!g_fuzzer_log_file)
-        return;
-
-    if (iflags.verbose_logging_start != 0 && g.moves >= iflags.verbose_logging_start)
-        g_fuzzer_log_level = LOG_VERBOSE;
-
-    if (level <= g_fuzzer_log_level)
-        Vfprintf(g_fuzzer_log_file, str, VA_ARGS);
-
-    VA_END();
-}
-
 /* fuzzer_check() is called prior to rhack(0) to allow the fuzzer to
  * check if it should stop and to allow it to reseed the game.
  */
@@ -1005,6 +949,7 @@ fuzzer_check()
 {
     if (iflags.debug_fuzzer)
     {
+        unsigned long seed;
         if (g.moves >= iflags.fuzzer_stop_and_save) {
             iflags.fuzzer_saving = TRUE;
             dosave0();
@@ -1013,7 +958,7 @@ fuzzer_check()
             nh_terminate(EXIT_SUCCESS);
         }
 
-        unsigned long seed = rul();
+        seed = rul();
         set_random(seed, rn2);
         fuzzer_log(LOG_MINIMAL, "SEED:%ld:%lu\n", g.moves, seed);
 
@@ -1027,9 +972,10 @@ void
 fuzzer_auto_start()
 {
     if (iflags.fuzzer_auto_start) {
+        unsigned long seed;
         nhassert(!iflags.debug_fuzzer);
         fuzzer_start();
-        unsigned long seed = rul();
+        seed = rul();
         set_random(seed, rn2);
         fuzzer_log(LOG_MINIMAL, "START:%ld:%lu\n", g.moves, seed);
     }
diff --git a/src/pline.c b/src/pline.c
index 99ddb17d2..004c3ed40 100644
--- a/src/pline.c
+++ b/src/pline.c
@@ -589,4 +589,61 @@ nhassert_failed(filepath, line)
     impossible("nhassert failed in file '%s' at line %d", filename, line);
 }
 
+static FILE * g_fuzzer_log_file = NULL;
+static int g_fuzzer_log_level = LOG_MINIMAL;
+
+/* fuzzer_start() starts the fuzzer opening the fuzzer log file */
+void
+fuzzer_start()
+{
+    if (!iflags.debug_fuzzer) {
+        const char * fq_replay;
+
+        iflags.debug_fuzzer = TRUE;
+        iflags.fuzzer_auto_start = FALSE;
+
+        nhassert(g_fuzzer_log_file == NULL);
+        fq_replay = fqname("fuzzer.log", SAVEPREFIX, 0);
+
+        g_fuzzer_log_file = fopen(fq_replay, "w");
+    }
+}
+
+/* fuzzer_stop() stops the fuzzer and close the fuzzer log file */
+void
+fuzzer_stop()
+{
+    if (iflags.debug_fuzzer) {
+        if(g_fuzzer_log_file != NULL) {
+            fclose(g_fuzzer_log_file);
+            g_fuzzer_log_file = NULL;
+        }
+    }
+}
+
+/* fuzzer_log() is used to place messages in the file 'fuzzer.log'.  This
+ * log is the primary tool for monitoring fuzzer activity and tracking down
+ * issues that the fuzzer is able to reproduce.
+ */
+void
+fuzzer_log
+VA_DECL2(int, lvl, const char *, str)
+{
+    VA_START(str);
+    VA_INIT(str, char *);
+
+    if (!g_fuzzer_log_file)
+        return;
+
+    if (iflags.verbose_logging_start != 0 &&
+        moves >= iflags.verbose_logging_start)
+        g_fuzzer_log_level = LOG_VERBOSE;
+
+    if (lvl <= g_fuzzer_log_level)
+        Vfprintf(g_fuzzer_log_file, str, VA_ARGS);
+
+    VA_END();
+}
+
+
 /*pline.c*/
diff --git a/src/rnd.c b/src/rnd.c
index 5473be949..02ffddce3 100644
--- a/src/rnd.c
+++ b/src/rnd.c
@@ -62,7 +62,7 @@ rul()
     unsigned long value;
 
     value = (unsigned long) isaac64_next_uint64(&rnglist[CORE].rng_state);
-    fuzzer_log(LOG_VERBOSE, "RANDOM:%llu\n", value);
+    fuzzer_log(LOG_VERBOSE, "RANDOM:%lu\n", value);
 
     return value;
 }
diff --git a/src/sp_lev.c b/src/sp_lev.c
index b47b891d5..efb52de90 100644
--- a/src/sp_lev.c
+++ b/src/sp_lev.c
@@ -3742,7 +3742,7 @@ struct opvar *mc;
 {
     int x, y;
     schar mapc;
-    uchar lit;
+    xchar lit;
     struct opvar *ret = selection_opvar((char *) 0);
 
     if (!ov || !mc || !ret)
@@ -3762,7 +3762,7 @@ struct opvar *mc;
                     break;
                 case 0:
                 case 1:
-                    if (levl[x][y].lit == lit)
+                    if (levl[x][y].lit == (unsigned int) lit)
                         selection_setpoint(x, y, ret, 1);
                     break;
                 }
diff --git a/win/tty/topl.c b/win/tty/topl.c
index 820f5d41a..47e40c965 100644
--- a/win/tty/topl.c
+++ b/win/tty/topl.c
@@ -17,8 +17,6 @@
 STATIC_DCL void FDECL(redotoplin, (const char *));
 STATIC_DCL void FDECL(topl_putsym, (CHAR_P));
 STATIC_DCL void FDECL(removetopl, (int));
-STATIC_DCL void FDECL(msghistory_snapshot, (BOOLEAN_P));
-STATIC_DCL void FDECL(free_msghistory_snapshot, (BOOLEAN_P));
 
 int
 tty_doprev_message()
@@ -545,78 +543,6 @@ char def;
     return q;
 }
 
-/* shared by tty_getmsghistory() and tty_putmsghistory() */
-static char **snapshot_mesgs = 0;
-
-/* collect currently available message history data into a sequential array;
-   optionally, purge that data from the active circular buffer set as we go */
-STATIC_OVL void
-msghistory_snapshot(purge)
-boolean purge; /* clear message history buffer as we copy it */
-{
-    char *mesg;
-    int i, inidx, outidx;
-    struct WinDesc *cw;
-
-    /* paranoia (too early or too late panic save attempt?) */
-    if (WIN_MESSAGE == WIN_ERR || !wins[WIN_MESSAGE])
-        return;
-    cw = wins[WIN_MESSAGE];
-
-    /* flush g.toplines[], moving most recent message to history */
-    remember_topl();
-
-    /* for a passive snapshot, we just copy pointers, so can't allow further
-       history updating to take place because that could clobber them */
-    if (!purge)
-        cw->flags |= WIN_LOCKHISTORY;
-
-    snapshot_mesgs = (char **) alloc((cw->rows + 1) * sizeof(char *));
-    outidx = 0;
-    inidx = cw->maxrow;
-    for (i = 0; i < cw->rows; ++i) {
-        snapshot_mesgs[i] = (char *) 0;
-        mesg = cw->data[inidx];
-        if (mesg && *mesg) {
-            snapshot_mesgs[outidx++] = mesg;
-            if (purge) {
-                /* we're taking this pointer away; subsequest history
-                   updates will eventually allocate a new one to replace it */
-                cw->data[inidx] = (char *) 0;
-                cw->datlen[inidx] = 0;
-            }
-        }
-        inidx = (inidx + 1) % cw->rows;
-    }
-    snapshot_mesgs[cw->rows] = (char *) 0; /* sentinel */
-
-    /* for a destructive snapshot, history is now completely empty */
-    if (purge)
-        cw->maxcol = cw->maxrow = 0;
-}
-
-/* release memory allocated to message history snapshot */
-STATIC_OVL void
-free_msghistory_snapshot(purged)
-boolean purged; /* True: took history's pointers, False: just cloned them */
-{
-    if (snapshot_mesgs) {
-        /* snapshot pointers are no longer in use */
-        if (purged) {
-            int i;
-
-            for (i = 0; snapshot_mesgs[i]; ++i)
-                free((genericptr_t) snapshot_mesgs[i]);
-        }
-
-        free((genericptr_t) snapshot_mesgs), snapshot_mesgs = (char **) 0;
-
-        /* history can resume being updated at will now... */
-        if (!purged)
-            wins[WIN_MESSAGE]->flags &= ~WIN_LOCKHISTORY;
-    }
-}
-
 STATIC_OVL ptr_array_t *
 get_message_history()
 {