5007142 Add ntohll and htonll to sys/byteorder.h
6717509 Need to use bswap/bswapq for byte swap of 64-bit integer on x32/x64
PSARC 2008/474

*** 18,33 ****
   *
   * CDDL HEADER END
   */
  
  /*
!  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
- #pragma ident   "%Z%%M% %I%     %E% SMI"
- 
  #include <sys/isa_defs.h>
  #include <sys/types.h>
  
  
  #if defined(_LITTLE_ENDIAN) && !defined(__lint)
--- 18,31 ----
   *
   * CDDL HEADER END
   */
  
  /*
!  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
  #include <sys/isa_defs.h>
  #include <sys/types.h>
  
  
  #if defined(_LITTLE_ENDIAN) && !defined(__lint)
*** 34,43 ****
--- 32,60 ----
  
  #error  Use ISA-specific byteorder.s on a little-endian machine.
  
  #else   /* !_LITTLE_ENDIAN */
  
+ /*
+  * htonll(), ntohll(), htonl(), ntohl(), htons(), ntohs()
+  * These functions just return the input parameter, as the host
+  * byte order is the same as the network byte order (big endian).
+  * On little endian machines, these functions byte swap.
+  */
+ 
+ uint64_t
+ htonll(uint64_t in)
+ {
+         return (in);
+ }
+ 
+ uint64_t
+ ntohll(uint64_t in)
+ {
+         return (in);
+ }
+ 
  uint32_t
  htonl(uint32_t in)
  {
          return (in);
  }