ref: 9a5e55782d2e25619e645109d3d1a018a13fa7c6
dir: /sys/man/2/abs/
.TH ABS 2 .SH NAME abs, labs \- integer absolute values .SH SYNOPSIS .B #include <u.h> .br .B #include <libc.h> .PP .B int abs(int a) .PP .B long labs(long a) .SH DESCRIPTION .I Abs returns the absolute value of integer .IR a , and .I labs does the same for a long. .SH SOURCE .B /sys/src/libc/port/abs.c .SH SEE ALSO .IR floor (2) for .I fabs .SH DIAGNOSTICS .I Abs and .I labs return the most negative integer or long when the true result is unrepresentable.