use our own ISBLANK macro

diff --git a/setup_once.h b/setup_once.h
index 0ff1d65..6cfa526 100644 (file)
--- a/setup_once.h
+++ b/setup_once.h
@@ -115,6 +115,7 @@
  */
 
 #define ISSPACE(x)  (isspace((int)  ((unsigned char)x)))
+#define ISBLANK(x)  (isblank((int)  ((unsigned char)x)))
 #define ISDIGIT(x)  (isdigit((int)  ((unsigned char)x)))
 #define ISALNUM(x)  (isalnum((int)  ((unsigned char)x)))
 #define ISXDIGIT(x) (isxdigit((int) ((unsigned char)x)))