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#ifndef KERN_MACROS_H_
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#ifndef KERN_MACROS_H_
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#define KERN_MACROS_H_
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#define KERN_MACROS_H_
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#include <arch/types.h>
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#include <arch/types.h>
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#include <typedefs.h>
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#define is_digit(d) (((d) >= '0') && ((d) <= '9'))
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#define is_digit(d) (((d) >= '0') && ((d) <= '9'))
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#define is_lower(c) (((c) >= 'a') && ((c) <= 'z'))
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#define is_lower(c) (((c) >= 'a') && ((c) <= 'z'))
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#define is_upper(c) (((c) >= 'A') && ((c) <= 'Z'))
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#define is_upper(c) (((c) >= 'A') && ((c) <= 'Z'))
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#define is_alpha(c) (is_lower(c) || is_upper(c))
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#define is_alpha(c) (is_lower(c) || is_upper(c))