diff -Nru linux86-0.16.17/debian/changelog linux86-0.16.17/debian/changelog
--- linux86-0.16.17/debian/changelog	2024-05-05 17:26:06.000000000 +0200
+++ linux86-0.16.17/debian/changelog	2024-10-04 08:02:45.000000000 +0200
@@ -1,3 +1,10 @@
+linux86 (0.16.17-3.7) unstable; urgency=medium
+
+  * Non-maintainer upload.
+  * Fix function declarations. Closes: #1075226
+
+ -- Bastian Germann <bage@debian.org>  Fri, 04 Oct 2024 08:02:45 +0200
+
 linux86 (0.16.17-3.6) unstable; urgency=medium

   * Non-maintainer upload.
diff -Nru linux86-0.16.17/debian/.debhelper/generated/bin86/installed-by-dh_installman linux86-0.16.17/debian/.debhelper/generated/bin86/installed-by-dh_installman
--- linux86-0.16.17/debian/.debhelper/generated/bin86/installed-by-dh_installman	2024-05-05 17:26:06.000000000 +0200
+++ linux86-0.16.17/debian/.debhelper/generated/bin86/installed-by-dh_installman	1970-01-01 01:00:00.000000000 +0100
@@ -1,8 +0,0 @@
-./debian/man/ar86.1
-./debian/man/objdump86.1
-./debian/man/ar86.1
-./debian/man/objdump86.1
-./debian/man/ar86.1
-./debian/man/objdump86.1
-./debian/man/ar86.1
-./debian/man/objdump86.1
diff -Nru linux86-0.16.17/debian/patches/function-declaration.patch linux86-0.16.17/debian/patches/function-declaration.patch
--- linux86-0.16.17/debian/patches/function-declaration.patch	1970-01-01 01:00:00.000000000 +0100
+++ linux86-0.16.17/debian/patches/function-declaration.patch	2024-10-04 08:02:45.000000000 +0200
@@ -0,0 +1,91 @@
+Description: Fix missing/conflicting function declarations
+Author: Bastian Germann <bage@debian.org>
+Bug-Debian: https://bugs.debian.org/1075226
+---
+--- linux86-0.16.17.orig/cpp/cpp.c
++++ linux86-0.16.17/cpp/cpp.c
+@@ -545,7 +545,7 @@ chget()
+ }
+
+ static void
+-unchget(ch)
++unchget(int ch)
+ {
+ #if CPP_DEBUG
+    fprintf(stderr, "\b", ch);
+--- linux86-0.16.17.orig/ld/dumps.c
++++ linux86-0.16.17/ld/dumps.c
+@@ -6,6 +6,7 @@
+ #include "obj.h"
+ #include "type.h"
+ #include "globvar.h"
++#include <string.h>
+
+ /* print list of modules and whether they are loaded */
+
+--- linux86-0.16.17.orig/unproto/Makefile
++++ linux86-0.16.17/unproto/Makefile
+@@ -83,7 +83,7 @@ OBJECTS	= tok_io.o tok_class.o tok_pool.
+
+ CFLAGS	= -O
+ LDFLAGS =
+-CCFLAGS = $(CFLAGS) -w $(PIPE) $(SKIP) $(BELL) $(MAP) $(ALIAS) -DREOPEN
++CCFLAGS = $(CFLAGS) -w $(PIPE) $(SKIP) $(BELL) $(MAP) $(ALIAS) -DREOPEN -Wno-error=implicit-function-declaration
+
+ #CFLAGS	= -O $(PIPE) $(SKIP) $(BELL) $(MAP) $(ALIAS) -p -Dstatic=
+ #CFLAGS	= -g $(PIPE) $(SKIP) $(BELL) $(MAP) $(ALIAS) -DDEBUG
+--- linux86-0.16.17.orig/unproto/symbol.c
++++ linux86-0.16.17/unproto/symbol.c
+@@ -42,6 +42,7 @@ static char symbol_sccsid[] = "@(#) symb
+
+ /* C library */
+
++#include <string.h>
+ extern char *strcpy();
+ extern char *malloc();
+
+--- linux86-0.16.17.orig/unproto/tok_class.c
++++ linux86-0.16.17/unproto/tok_class.c
+@@ -49,6 +49,7 @@ static char class_sccsid[] = "@(#) tok_c
+ /* C library */
+
+ #include <stdio.h>
++#include <string.h>
+
+ extern char *strcpy();
+ extern long time();
+--- linux86-0.16.17.orig/unproto/tok_io.c
++++ linux86-0.16.17/unproto/tok_io.c
+@@ -79,11 +79,11 @@ static char io_sccsid[] = "@(#) tok_io.c
+ /* C library */
+
+ #include <stdio.h>
++#include <stdlib.h>
++#include <string.h>
+ #include <ctype.h>
+
+ extern char *strchr();
+-extern char *malloc();
+-extern char *realloc();
+ extern char *strcpy();
+
+ /* Application-specific stuff */
+@@ -189,7 +189,7 @@ static char *ignore_directives[] = {
+
+ /* do_control - parse control line */
+
+-static int do_control()
++static void do_control()
+ {
+     struct token *t;
+     int     line;
+--- linux86-0.16.17.orig/unproto/unproto.c
++++ linux86-0.16.17/unproto/unproto.c
+@@ -137,6 +137,7 @@ static char unproto_sccsid[] = "@(#) unp
+ #include <sys/types.h>
+ #include <sys/stat.h>
+ #include <stdio.h>
++#include <string.h>
+ #include <errno.h>
+
+ extern void exit();
diff -Nru linux86-0.16.17/debian/patches/makefile.in.patch linux86-0.16.17/debian/patches/makefile.in.patch
--- linux86-0.16.17/debian/patches/makefile.in.patch	1970-01-01 01:00:00.000000000 +0100
+++ linux86-0.16.17/debian/patches/makefile.in.patch	2024-10-04 08:02:45.000000000 +0200
@@ -0,0 +1,11 @@
+--- linux86-0.16.17.orig/makefile.in
++++ linux86-0.16.17/makefile.in
+@@ -39,7 +39,7 @@ WALL  =-Wall -Wtraditional -Wshadow -Wid
+        -Wstrict-prototypes -Wmissing-prototypes -Wredundant-decls \
+        -Wnested-externs -Winline
+
+-WALL  =-Wall -Wstrict-prototypes
++WALL  =-Wall -Wstrict-prototypes -Wno-error=implicit-function-declaration
+
+ CC	=%CC%
+ CFLAGS	=$(GCCFLAG) $(WALL) -O2 -g
diff -Nru linux86-0.16.17/debian/patches/missing-includes.patch linux86-0.16.17/debian/patches/missing-includes.patch
--- linux86-0.16.17/debian/patches/missing-includes.patch	1970-01-01 01:00:00.000000000 +0100
+++ linux86-0.16.17/debian/patches/missing-includes.patch	2024-10-04 08:02:45.000000000 +0200
@@ -0,0 +1,15 @@
+Description: Add missing includes
+Author: Bastian Germann <bage@debian.org>
+Bug-Debian: https://bugs.debian.org/1075226
+---
+--- linux86-0.16.17.orig/bcc/dbprintf.c
++++ linux86-0.16.17/bcc/dbprintf.c
+@@ -1,6 +1,8 @@
+
+ #include <sys/types.h>
+ #include <fcntl.h>
++#include <string.h>
++#include <unistd.h>
+
+ #if defined(__STDC__) && !defined(__FIRST_ARG_IN_AX__)
+ #include <stdarg.h>
diff -Nru linux86-0.16.17/debian/patches/series linux86-0.16.17/debian/patches/series
--- linux86-0.16.17/debian/patches/series	2024-02-21 14:47:40.000000000 +0100
+++ linux86-0.16.17/debian/patches/series	2024-10-04 08:02:45.000000000 +0200
@@ -1 +1,5 @@
 debian.patch
+vdbprintf-declaration.patch
+missing-includes.patch
+function-declaration.patch
+makefile.in.patch
diff -Nru linux86-0.16.17/debian/patches/vdbprintf-declaration.patch linux86-0.16.17/debian/patches/vdbprintf-declaration.patch
--- linux86-0.16.17/debian/patches/vdbprintf-declaration.patch	1970-01-01 01:00:00.000000000 +0100
+++ linux86-0.16.17/debian/patches/vdbprintf-declaration.patch	2024-10-04 08:02:45.000000000 +0200
@@ -0,0 +1,15 @@
+Description: Declare vdbprintf before using it
+Author: Bastian Germann <bage@debian.org>
+Bug-Debian: https://bugs.debian.org/1075226
+---
+--- linux86-0.16.17.orig/bcc/dbprintf.c
++++ linux86-0.16.17/bcc/dbprintf.c
+@@ -10,6 +10,8 @@
+ #define va_strt(p,i) va_start(p)
+ #endif
+
++int vdbprintf(register __const char *, register va_list);
++
+ #if defined(__STDC__) && !defined(__FIRST_ARG_IN_AX__)
+ int dbprintf(const char * fmt, ...)
+ #else