remove support for non-ANSI compilation

@@ -20,21 +20,20 @@
  * CDDL HEADER END
  */
 /*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
 /*        All Rights Reserved   */
 
-
 /*
+ * Copyright 2014 Garrett D'Amore <garrett@damore.org>
+ *
  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 
 #ifndef _SYS_STATVFS_H
 #define _SYS_STATVFS_H
 
-#pragma ident   "%Z%%M% %I%     %E% SMI"        /* SVr4.0 1.10 */
-
 #include <sys/feature_tests.h>
 #include <sys/types.h>
 
 #ifdef  __cplusplus
 extern "C" {

@@ -186,21 +185,19 @@
 #define statvfs64               statvfs
 #define fstatvfs64              fstatvfs
 #endif
 #endif  /* _LP64 && _LARGEFILE64_SOURCE */
 
-#if defined(__STDC__)
 int statvfs(const char *_RESTRICT_KYWD, statvfs_t *_RESTRICT_KYWD);
 int fstatvfs(int, statvfs_t *);
 
 /* transitional large file interface versions */
 #if     defined(_LARGEFILE64_SOURCE) && !((_FILE_OFFSET_BITS == 64) && \
             !defined(__PRAGMA_REDEFINE_EXTNAME))
 int statvfs64(const char *_RESTRICT_KYWD, statvfs64_t *_RESTRICT_KYWD);
 int fstatvfs64(int, statvfs64_t *);
 #endif  /* _LARGEFILE64_SOURCE... */
-#endif  /* defined(__STDC__) */
 #endif  /* !defined(_KERNEL) */
 
 #ifdef  __cplusplus
 }
 #endif