From e306be411d1b43b701ebff14af03f98d4ab27556 Mon Sep 17 00:00:00 2001
From: Eric Andersen <andersen@codepoet.org>
Date: Sat, 23 Feb 2002 13:42:45 +0000
Subject: Support isblank()

---
 include/ctype.h | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'include/ctype.h')

diff --git a/include/ctype.h b/include/ctype.h
index 8f1bb9d99..a7e397e3d 100644
--- a/include/ctype.h
+++ b/include/ctype.h
@@ -34,6 +34,7 @@ __BEGIN_DECLS
 extern int isalnum(int c);
 extern int isalpha(int c);
 extern int isascii(int c);
+extern int isblank(int c);
 extern int iscntrl(int c);
 extern int isdigit(int c);
 extern int isgraph(int c);
@@ -57,6 +58,7 @@ extern int toupper(int c);
 #define isalnum(c)  (isalpha(c) || isdigit(c))
 #define isalpha(c)  (isupper(c) || islower(c))
 #define isascii(c)  (c > 0 && c <= 0x7f)
+#define isblank(c)  (c == ' ' || c == '\t')
 #define iscntrl(c)  ((c >= 0) && ((c <= 0x1F) || (c == 0x7f)))
 #define isdigit(c)  (c >= '0' && c <= '9')
 #define isgraph(c)  (c != ' ' && isprint(c))
-- 
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