From 6ed7ed47119acf3033a9a43da4b792b6ecb574bc Mon Sep 17 00:00:00 2001
From: Guy Harris <guy@alum.mit.edu>
Date: Mon, 29 Jan 2018 01:44:30 -0800
Subject: [PATCH] Another UN*Xism we need - isascii().

I guess it's not in ISO C because the character set of an ISO C
implementation isn't necessarily ASCII (EBCDIC, in IBM's C for z/OS and
IBM i).
---
 netdissect-stdinc.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/netdissect-stdinc.h b/netdissect-stdinc.h
index d78b6639..84f726a4 100644
--- a/netdissect-stdinc.h
+++ b/netdissect-stdinc.h
@@ -209,6 +209,12 @@
 #endif
 
 #ifdef _MSC_VER
+  /*
+   * Microsoft tries to avoid polluting the C namespace with UN*Xisms,
+   * by adding a preceding underscore; we *want* the UN*Xisms, so add
+   * #defines to let us use them.
+   */
+  #define isascii __isascii
   #define stat _stat
   #define strdup _strdup
   #define open _open
-- 
2.39.5