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()

---
 libc/misc/ctype/ctype.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'libc/misc/ctype/ctype.c')

diff --git a/libc/misc/ctype/ctype.c b/libc/misc/ctype/ctype.c
index 5dc35cc72..a077dbf3c 100644
--- a/libc/misc/ctype/ctype.c
+++ b/libc/misc/ctype/ctype.c
@@ -118,6 +118,15 @@ isspace( int c )
 }
 #endif
 
+#ifdef L_isblank
+#undef isblank
+int
+isblank( int c )
+{
+    return (c == ' ' || c == '\t');
+}
+#endif
+
 #ifdef L_isupper
 #undef isupper
 int
@@ -266,6 +275,15 @@ isspace( int c )
 }
 #endif
 
+#ifdef L_isblank
+#undef isblank
+int
+isblank( int c )
+{
+    return _UC_ISCTYPE(c, ISblank);
+}
+#endif
+
 #ifdef L_isupper
 #undef isupper
 int
-- 
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