remove support for non-ANSI compilation

@@ -17,43 +17,32 @@
  * information: Portions Copyright [yyyy] [name of copyright owner]
  *
  * CDDL HEADER END
  */
 /*
+ * Copyright 2014 Garrett D'Amore <garrett@damore.org>
+ *
  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 
 #ifndef _ATTR_H
 #define _ATTR_H
 
-#pragma ident   "%Z%%M% %I%     %E% SMI"        /* SVr4.0 1.6.1.7 */
-
 #include <sys/types.h>
 #include <sys/nvpair.h>
 #include <sys/attr.h>
 
 #ifdef  __cplusplus
 extern "C" {
 #endif
 
-#if defined(__STDC__)
-
 extern int getattrat(int, xattr_view_t, const char *, nvlist_t **);
 extern int fgetattr(int, xattr_view_t, nvlist_t **);
 extern int setattrat(int, xattr_view_t, const char *, nvlist_t *);
 extern int fsetattr(int, xattr_view_t, nvlist_t *);
 
-#else   /* defined(__STDC__) */
-
-extern int getattrat();
-extern int fgetattr();
-extern int setattrat();
-extern int fsetattr();
-
-#endif  /* defined(__STDC__) */
-
 #ifdef  __cplusplus
 }
 #endif
 
 #endif  /* _ATTR_H */