/* $Id: arith.h,v 1.5 2004/01/22 21:26:15 ecen2120 Exp $ */

extern int LongAdd(long *a, long *b, long *c);
/* 64-bit addition
 *   On entry-
 *     a, b, and c point to 64-bit, big-endian integers
 *   If the computation overflows, then on exit-
 *     LongAdd=1
 *     c is undefined
 *   Else on exit-
 *     LongAdd=0
 *     c = a + b
 ***/