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.TH ABS 2
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.SH NAME
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abs, labs \- integer absolute values
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.SH SYNOPSIS
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.B #include <u.h>
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.br
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.B #include <libc.h>
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.PP
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.B
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int	abs(int a)
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.PP
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.B
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long	labs(long a)
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.SH DESCRIPTION
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.I Abs
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returns
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the absolute value of integer
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.IR a ,
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and
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.I labs
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does the same for a long.
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.SH SOURCE
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.B /sys/src/libc/port/abs.c
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.SH SEE ALSO
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.IR floor (2)
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for
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.I fabs
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.SH DIAGNOSTICS
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.I Abs
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and
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.I labs
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return
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the most negative integer or long when the true result is unrepresentable.