abs - return integer absolute value

Syntax	#include <stdlib.h> int abs(int i);
Description	abs() computes the absolute value of an integer i.
Return val. Notes	Absolute value of i if successful. The absolute value of the negative integer with the largest magnitude is not representable. If a negative number with the highest magnitude (-231) is specified as the argument i, the program will terminate with an error.
See also	cabs(), fabs(), labs(), stdlib.h.