#if 0
#include <stdlib.h>
#include <limits.h>
/** absolute value **/
long long int llabs(long long int j)
{
if (j == LLONG_MIN) {
/* undefined */
return LLONG_MIN;
}
return j < 0 ? -j : j;
}
/***
computes the absolute value of ARGUMENT(j).
***/
/*
UNDEFINED(ABS(ARGUMENT(j)) cannot be represented
RETURN_SUCCESS(ABS(ARGUMENT(j))
STDC(199901)
*/
#endif