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Prevent double inclusion.
This commit is contained in:
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@ -1,5 +1,5 @@
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/* Macros to swap the order of bytes in integer values.
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/* Macros to swap the order of bytes in integer values.
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Copyright (C) 1997, 1998, 2000, 2001 Free Software Foundation, Inc.
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Copyright (C) 1997, 1998, 2000, 2001, 2002 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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The GNU C Library is free software; you can redistribute it and/or
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@ -21,6 +21,9 @@
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# error "Never use <bits/byteswap.h> directly; include <byteswap.h> instead."
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# error "Never use <bits/byteswap.h> directly; include <byteswap.h> instead."
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#endif
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#endif
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#ifndef _BITS_BYTESWAP_H
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#define _BITS_BYTESWAP_H 1
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/* Swap bytes in 16 bit value. */
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/* Swap bytes in 16 bit value. */
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#ifdef __GNUC__
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#ifdef __GNUC__
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# define __bswap_16(x) \
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# define __bswap_16(x) \
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@ -77,3 +80,5 @@ __bswap_32 (unsigned int __bsx)
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} \
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} \
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__r.__ll; }))
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__r.__ll; }))
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#endif
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#endif
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#endif /* _BITS_BYTESWAP_H */
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@ -1,5 +1,5 @@
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/* Macros to swap the order of bytes in integer values.
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/* Macros to swap the order of bytes in integer values.
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Copyright (C) 1997, 1998, 2000, 2001 Free Software Foundation, Inc.
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Copyright (C) 1997, 1998, 2000, 2001, 2002 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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The GNU C Library is free software; you can redistribute it and/or
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@ -21,6 +21,9 @@
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# error "Never use <bits/byteswap.h> directly; include <byteswap.h> instead."
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# error "Never use <bits/byteswap.h> directly; include <byteswap.h> instead."
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#endif
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#endif
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#ifndef _BITS_BYTESWAP_H
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#define _BITS_BYTESWAP_H 1
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/* Swap bytes in 16 bit value. */
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/* Swap bytes in 16 bit value. */
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#ifdef __GNUC__
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#ifdef __GNUC__
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# define __bswap_16(x) \
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# define __bswap_16(x) \
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@ -77,3 +80,5 @@ __bswap_32 (unsigned int __bsx)
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} \
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} \
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__r.__ll; }))
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__r.__ll; }))
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#endif
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#endif
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#endif /* _BITS_BYTESWAP_H */
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@ -1,5 +1,5 @@
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/* Macros to swap the order of bytes in integer values.
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/* Macros to swap the order of bytes in integer values.
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Copyright (C) 1997, 1998, 2000 Free Software Foundation, Inc.
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Copyright (C) 1997, 1998, 2000, 2002 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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The GNU C Library is free software; you can redistribute it and/or
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@ -21,6 +21,9 @@
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# error "Never use <bits/byteswap.h> directly; include <byteswap.h> instead."
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# error "Never use <bits/byteswap.h> directly; include <byteswap.h> instead."
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#endif
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#endif
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#ifndef _BITS_BYTESWAP_H
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#define _BITS_BYTESWAP_H 1
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/* Swap bytes in 16 bit value. */
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/* Swap bytes in 16 bit value. */
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#define __bswap_constant_16(x) \
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#define __bswap_constant_16(x) \
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((((x) >> 8) & 0xff) | (((x) & 0xff) << 8))
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((((x) >> 8) & 0xff) | (((x) & 0xff) << 8))
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@ -108,3 +111,5 @@
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} \
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} \
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__r.__ll; }))
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__r.__ll; }))
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#endif
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#endif
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#endif /* _BITS_BYTESWAP_H */
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@ -1,5 +1,5 @@
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/* Macros to swap the order of bytes in integer values.
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/* Macros to swap the order of bytes in integer values.
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Copyright (C) 1997, 1998, 2000 Free Software Foundation, Inc.
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Copyright (C) 1997, 1998, 2000, 2002 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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The GNU C Library is free software; you can redistribute it and/or
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@ -21,6 +21,9 @@
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# error "Never use <bits/byteswap.h> directly; include <byteswap.h> instead."
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# error "Never use <bits/byteswap.h> directly; include <byteswap.h> instead."
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#endif
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#endif
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#ifndef _BITS_BYTESWAP_H
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#define _BITS_BYTESWAP_H 1
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/* Swap bytes in 16 bit value. */
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/* Swap bytes in 16 bit value. */
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#define __bswap_constant_16(x) \
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#define __bswap_constant_16(x) \
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((((x) >> 8) & 0xff) | (((x) & 0xff) << 8))
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((((x) >> 8) & 0xff) | (((x) & 0xff) << 8))
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@ -91,3 +94,5 @@
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#else
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#else
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# define __bswap_64(x) __bswap_constant_64 (x)
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# define __bswap_64(x) __bswap_constant_64 (x)
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#endif
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#endif
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#endif /* _BITS_BYTESWAP_H */
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/* Macros to swap the order of bytes in integer values. m68k version.
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/* Macros to swap the order of bytes in integer values. m68k version.
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Copyright (C) 1997 Free Software Foundation, Inc.
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Copyright (C) 1997, 2002 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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The GNU C Library is free software; you can redistribute it and/or
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@ -21,6 +21,9 @@
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# error "Never use <bits/byteswap.h> directly; include <byteswap.h> instead."
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# error "Never use <bits/byteswap.h> directly; include <byteswap.h> instead."
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#endif
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#endif
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#ifndef _BITS_BYTESWAP_H
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#define _BITS_BYTESWAP_H 1
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/* Swap bytes in 16 bit value. We don't provide an assembler version
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/* Swap bytes in 16 bit value. We don't provide an assembler version
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because GCC is smart enough to generate optimal assembler output, and
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because GCC is smart enough to generate optimal assembler output, and
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this allows for better cse. */
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this allows for better cse. */
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@ -60,3 +63,5 @@
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__bswap_64_r.__l[1] = __bswap_32 (__bswap_64_v.__l[0]); \
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__bswap_64_r.__l[1] = __bswap_32 (__bswap_64_v.__l[0]); \
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__bswap_64_r.__ll; })
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__bswap_64_r.__ll; })
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#endif
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#endif
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#endif /* _BITS_BYTESWAP_H */
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/* Macros to swap the order of bytes in integer values. s390 version.
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/* Macros to swap the order of bytes in integer values. s390 version.
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Copyright (C) 2000, 2001 Free Software Foundation, Inc.
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Copyright (C) 2000, 2001, 2002 Free Software Foundation, Inc.
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Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
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Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
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This file is part of the GNU C Library.
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This file is part of the GNU C Library.
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# error "Never use <bits/byteswap.h> directly; include <byteswap.h> instead."
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# error "Never use <bits/byteswap.h> directly; include <byteswap.h> instead."
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#endif
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#endif
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#ifndef _BITS_BYTESWAP_H
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#define _BITS_BYTESWAP_H 1
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#define __bswap_constant_16(x) \
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#define __bswap_constant_16(x) \
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((((x) >> 8) & 0xff) | (((x) & 0xff) << 8))
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((((x) >> 8) & 0xff) | (((x) & 0xff) << 8))
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@ -84,3 +87,5 @@
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__r.__l[1] = __bswap_32 (__w.__l[0]); \
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__r.__l[1] = __bswap_32 (__w.__l[0]); \
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__r.__ll; })
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__r.__ll; })
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#endif
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#endif
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#endif /* _BITS_BYTESWAP_H */
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/* Macros to swap the order of bytes in integer values. 64 bit S/390 version.
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/* Macros to swap the order of bytes in integer values. 64 bit S/390 version.
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Copyright (C) 2001 Free Software Foundation, Inc.
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Copyright (C) 2001, 2002 Free Software Foundation, Inc.
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Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
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Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
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This file is part of the GNU C Library.
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This file is part of the GNU C Library.
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# error "Never use <bits/byteswap.h> directly; include <byteswap.h> instead."
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# error "Never use <bits/byteswap.h> directly; include <byteswap.h> instead."
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#endif
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#endif
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#ifndef _BITS_BYTESWAP_H
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#define _BITS_BYTESWAP_H 1
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#define __bswap_constant_16(x) \
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#define __bswap_constant_16(x) \
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((((x) >> 8) & 0xff) | (((x) & 0xff) << 8))
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((((x) >> 8) & 0xff) | (((x) & 0xff) << 8))
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#if defined __GNUC__ && __GNUC__ >= 2
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#if defined __GNUC__ && __GNUC__ >= 2
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# define __bswap_16(x) \
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# define __bswap_16(x) \
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(__extension__ \
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(__extension__ \
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({ unsigned short int __v; \
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({ unsigned short int __v; \
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if (__builtin_constant_p (x)) \
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if (__builtin_constant_p (x)) \
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__v = __bswap_constant_16 (x); \
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__v = __bswap_constant_16 (x); \
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else { \
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else { \
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# define __bswap_64(x) __bswap_constant_64 (x)
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# define __bswap_64(x) __bswap_constant_64 (x)
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#endif
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#endif
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#endif /* _BITS_BYTESWAP_H */
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