| 
abs
 int abs ( int n );  | stdlib.h math.h  | 
| cplusplus.com | 
 Return absolute value of integer parameter.
 
The absolute value corresponding to the integer parameter n is returned ( /n/ ).
Parameters.
 Return Value.
 
The absolute value of n.
 Portability.
 
Defined in ANSI-C.
 
In addition to the prototype already specified for this function, ANSI-C++
standard incorporates an overloaded version:
    long abs (long n );
 
with the same functionality as labs.
 Example.
/* abs example */
#include <stdio.h>
#include <stdlib.h>
main ()
{
  int n,m;
  n=abs(23);
  m=abs(-11);
  printf ("n=%d\n",n);
  printf ("m=%d\n",m);
  return 0;
}
Output:
 n=23
 m=11