1ABS(9)                           Driver Basics                          ABS(9)
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NAME

6       abs - return absolute value of an argument
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SYNOPSIS

9       abs(x);
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ARGUMENTS

12       x
13           the value. If it is unsigned type, it is converted to signed type
14           first (s64, long or int depending on its size).
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RETURN

17       an absolute value of x. If x is 64-bit, macro's return type is s64,
18       otherwise it is signed long.
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21Kernel Hackers Manual 3.10         June 2019                            ABS(9)
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