◄Description► ◄Example► ◄Up► ◄Contents► ◄Index► ◄Back► ──────────────────────────────────────────────────────────────────────────── Include: <stdlib.h>, <math.h> Syntax: int abs( int n ); double fabs( double x ); long labs( long n ); long double fabsl( long double x ); Returns: the absolute value of its argument. See also: cabs -♦-