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-rw-r--r--resolv/gethnamaddr.c2
-rw-r--r--resolv/getnetnamadr.c4
-rw-r--r--resolv/herror.c2
3 files changed, 7 insertions, 1 deletions
diff --git a/resolv/gethnamaddr.c b/resolv/gethnamaddr.c
index 6962f59610..07da429cbf 100644
--- a/resolv/gethnamaddr.c
+++ b/resolv/gethnamaddr.c
@@ -133,7 +133,9 @@ typedef union {
     char ac;
 } align;
 
+#ifndef h_errno
 extern int h_errno;
+#endif
 
 #ifdef DEBUG
 static void
diff --git a/resolv/getnetnamadr.c b/resolv/getnetnamadr.c
index 6f5bf008c7..abbc3a3e6f 100644
--- a/resolv/getnetnamadr.c
+++ b/resolv/getnetnamadr.c
@@ -58,9 +58,11 @@ static char rcsid[] = "$Id$";
 #include <errno.h>
 #include <string.h>
 
+#ifndef h_errno
 extern int h_errno;
+#endif
 
-#if defined(mips) && defined(SYSTYPE_BSD43)
+#if defined(mips) && defined(SYSTYPE_BSD43) && !defined(errno)
 extern int errno;
 #endif
 
diff --git a/resolv/herror.c b/resolv/herror.c
index 70f13c3ad9..571d1a0478 100644
--- a/resolv/herror.c
+++ b/resolv/herror.c
@@ -78,7 +78,9 @@ const char *h_errlist[] = {
 };
 int	h_nerr = { sizeof h_errlist / sizeof h_errlist[0] };
 
+#ifndef h_errno
 extern int	h_errno;
+#endif
 
 /*
  * herror --