https://cgit.openembedded.org/meta-openembedded/plain/meta-oe/recipes-extended/enscript/enscript/0001-getopt-Include-string.h-for-strcmp-stcncmp-functions.patch?h=master-next&id=6c251848590867debaaf87bfe12bed572d8f6a8d

From faec0206611f8ea4ca6f70987866077ac8c3c6c1 Mon Sep 17 00:00:00 2001
From: Khem Raj <raj.khem@gmail.com>
Date: Fri, 2 Sep 2022 21:24:27 -0700
Subject: [PATCH] getopt: Include string.h for strcmp/stcncmp functions

Upstream-Status: Pending

Signed-off-by: Khem Raj <raj.khem@gmail.com>
--- a/compat/getopt.c
+++ b/compat/getopt.c
@@ -43,6 +43,7 @@
 #endif
 
 #include <stdio.h>
+#include <string.h> /* strcmp */
 
 /* Comment out all this code if we are using the GNU C Library, and are not
    actually compiling the library itself.  This code is part of the GNU C