From 55b0b396dc41822d719c165ebc239cefc5109269 Mon Sep 17 00:00:00 2001
From: Lucas <lucas@domain.invalid>
Date: Sun, 14 Jun 2020 15:00:33 +0000
Subject: [PATCH] Small update to err.[ch]

---
 cli.c | 2 ++
 err.c | 7 +++++++
 err.h | 2 --
 3 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/cli.c b/cli.c
index 7c0c50a..87e0215 100644
--- a/cli.c
+++ b/cli.c
@@ -24,6 +24,8 @@
 #include "err.h"
 #include "otp.h"
 
+extern const char *__progname;
+
 static void
 usage(void)
 {
diff --git a/err.c b/err.c
index 42bc596..172be6a 100644
--- a/err.c
+++ b/err.c
@@ -12,6 +12,11 @@
  * along with this software. If not, see
  * <http://creativecommons.org/publicdomain/zero/1.0/>.
  */
+/*
+ * Inspired by OpenBSD's `err.h' header, found at
+ * http://man.openbsd.org/err.3
+ * http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/lib/libc/gen/verr.c
+ */
 
 #include <errno.h>
 #include <stdarg.h>
@@ -21,6 +26,8 @@
 
 #include "err.h"
 
+extern const char *__progname;
+
 void
 err(int eval, const char *fmt, ...)
 {
diff --git a/err.h b/err.h
index 427744c..15b3675 100644
--- a/err.h
+++ b/err.h
@@ -13,8 +13,6 @@
  * <http://creativecommons.org/publicdomain/zero/1.0/>.
  */
 
-extern const char *__progname;
-
 void err(int, const char *, ...);
 void errx(int, const char *, ...);
 void warn(const char *, ...);