protect all user-level include files against reinclusion

[unix-history] / usr / src / include / ctype.h

diff --git a/usr/src/include/ctype.h b/usr/src/include/ctype.h
index 814d348..881f0eb 100644 (file)
--- a/usr/src/include/ctype.h
+++ b/usr/src/include/ctype.h
@@ -4,9 +4,12 @@
  *
  * %sccs.include.redist.c%
  *
  *
  * %sccs.include.redist.c%
  *

- *     @(#)ctype.h     5.2 (Berkeley) %G%
+ *     @(#)ctype.h     5.3 (Berkeley) %G%

  */
 
  */
 

+#ifndef _CTYPE_H_
+#define _CTYPE_H_
+

 #define        _U      0x01
 #define        _L      0x02
 #define        _N      0x04
 #define        _U      0x01
 #define        _L      0x02
 #define        _N      0x04


@@ -33,3 +36,5 @@ extern char   _ctype_[];
 #define        toupper(c)      ((c) - 'a' + 'A')
 #define        tolower(c)      ((c) - 'A' + 'a')
 #define        toascii(c)      ((c) & 0177)
 #define        toupper(c)      ((c) - 'a' + 'A')
 #define        tolower(c)      ((c) - 'A' + 'a')
 #define        toascii(c)      ((c) & 0177)

+
+#endif /* !_CTYPE_H_ */