From f42137f5ab9cf07d1e62edc05e0212688d3ebaa2 Mon Sep 17 00:00:00 2001
From: Sergey Poznyakoff <gray@gnu.org>
Date: Tue, 6 May 2025 21:02:43 +0300
Subject: [PATCH 1/1] Fix c23 conformity

---
 src/extern.h | 4 ++--
 src/global.c | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/extern.h b/src/extern.h
index bf3d5b3..455119b 100644
--- a/src/extern.h
+++ b/src/extern.h
@@ -96,8 +96,8 @@ extern char input_is_special;
 extern char output_is_special;
 extern char input_is_seekable;
 extern char output_is_seekable;
-extern int (*xstat) ();
-extern void (*copy_function) ();
+extern int (*xstat) (const char *, struct stat *);
+extern void (*copy_function) (void);
 extern char *change_directory_option;
 
 #define STRINGIFY_BIGINT(i, b) umaxtostr (i, b)
diff --git a/src/global.c b/src/global.c
index 66686f2..5c6ab16 100644
--- a/src/global.c
+++ b/src/global.c
@@ -184,10 +184,10 @@ bool to_stdout_option = false;
 
 /* A pointer to either lstat or stat, depending on whether
    dereferencing of symlinks is done for input files.  */
-int (*xstat) ();
+int (*xstat) (const char *, struct stat *);
 
 /* Which copy operation to perform. (-i, -o, -p) */
-void (*copy_function) () = 0;
+void (*copy_function) (void) = 0;
 
 char *change_directory_option;
 
-- 
2.50.0

