From b91b3a4302bca5c98a8d3ec218525721288461f3 Mon Sep 17 00:00:00 2001
From: Roland McGrath <roland@gnu.org>
Date: Sat, 8 Jan 1994 22:27:30 +0000
Subject: [! HAVE_STRERROR] (strerror): Define the function.

---
 lib-src/env.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'lib-src/env.c')

diff --git a/lib-src/env.c b/lib-src/env.c
index 282a94069df..35532e0360d 100644
--- a/lib-src/env.c
+++ b/lib-src/env.c
@@ -333,3 +333,18 @@ myindex (str, c)
     }
   return 0;
 }
+
+#ifndef HAVE_STRERROR
+char *
+strerror (errnum)
+     int errnum;
+{
+  extern char *sys_errlist[];
+  extern int sys_nerr;
+
+  if (errnum >= 0 && errnum < sys_nerr)
+    return sys_errlist[errnum];
+  return (char *) "Unknown error";
+}
+
+#endif /* ! HAVE_STRERROR */
-- 
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