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 */
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 */
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#ifndef LIBC_MACROS_H_
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#ifndef LIBC_MACROS_H_
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#define LIBC_MACROS_H_
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#define LIBC_MACROS_H_
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#define SIZE2KB(size) ((size) >> 10)
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#define SIZE2KB(size)  ((size) >> 10)
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#define SIZE2MB(size) ((size) >> 20)
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#define SIZE2MB(size)  ((size) >> 20)
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#define KB2SIZE(kb) ((kb) << 10)
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#define KB2SIZE(kb)  ((kb) << 10)
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#define MB2SIZE(mb) ((mb) << 20)
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#define MB2SIZE(mb)  ((mb) << 20)
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#define STRING(arg) STRING_ARG(arg)
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#define STRING(arg)      STRING_ARG(arg)
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#define STRING_ARG(arg) #arg
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#define STRING_ARG(arg)  #arg
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#define LOWER32(arg)  ((arg) & 0xffffffff)
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#define UPPER32(arg)  (((arg) >> 32) & 0xffffffff)
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#define MERGE_LOUP32(lo, up) \
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    ((((uint64_t) (lo)) & 0xffffffff) \
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        | ((((uint64_t) (up)) & 0xffffffff) << 32))
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#endif
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#endif
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/** @}
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/** @}
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 */
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 */