remove support for non-ANSI compilation

@@ -18,19 +18,19 @@
  * information: Portions Copyright [yyyy] [name of copyright owner]
  *
  * CDDL HEADER END
  */
 /*
+ * Copyright 2014 Garrett D'Amore <garrett@damore.org>
+ *
  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 
 #ifndef _AIO_H
 #define _AIO_H
 
-#pragma ident   "%Z%%M% %I%     %E% SMI"
-
 #include <sys/feature_tests.h>
 #include <sys/types.h>
 #include <sys/fcntl.h>
 #include <sys/siginfo.h>
 #include <sys/aiocb.h>

@@ -102,11 +102,10 @@
 #endif  /* _LP64 && _LARGEFILE64_SOURCE */
 
 /*
  * function prototypes
  */
-#if     defined(__STDC__)
 extern int      aio_read(aiocb_t *);
 extern int      aio_write(aiocb_t *);
 extern int      lio_listio(int,
                     aiocb_t *_RESTRICT_KYWD const *_RESTRICT_KYWD,
                     int, struct sigevent *_RESTRICT_KYWD);

@@ -135,36 +134,10 @@
 extern int      aio_fsync64(int, aiocb64_t *);
 extern int      aio_waitn64(aiocb64_t *[], uint_t, uint_t *,
                     const struct timespec *);
 #endif  /* _LARGEFILE64_SOURCE */
 
-#else
-extern int      aio_read();
-extern int      aio_write();
-extern int      lio_listio();
-extern int      aio_error();
-extern ssize_t  aio_return();
-extern int      aio_cancel();
-extern int      aio_suspend();
-extern int      aio_fsync();
-extern int      aio_waitn();
-
-#if defined(_LARGEFILE64_SOURCE) && !((_FILE_OFFSET_BITS == 64) && \
-        !defined(__PRAGMA_REDEFINE_EXTNAME))
-extern int      aio_read64();
-extern int      aio_write64();
-extern int      lio_listio64();
-extern int      aio_error64();
-extern ssize_t  aio_return64();
-extern int      aio_cancel64();
-extern int      aio_suspend64();
-extern int      aio_fsync64();
-extern int      aio_waitn64();
-#endif  /* _LARGEFILE64_SOURCE */
-
-#endif  /* __STDC__ */
-
 #ifdef  __cplusplus
 }
 #endif
 
 #endif  /* _AIO_H */