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#include <stdlib.h>
#include <limits.h>
/** absolute value **/
long int labs(long int j)
{
if (j == LONG_MIN) {
/* undefined */
return LONG_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(1)
*/
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