339 #define DECUNUSED ((const decNumber *)(void *)0xffffffff)  macro
403   if (decCheckOperands(DECUNRESU, DECUNUSED, dn, set)) return 0;  in uprv_decNumberToInt32()
439   if (decCheckOperands(DECUNRESU, DECUNUSED, dn, set)) return 0;  in uprv_decNumberToUInt32()
531   if (decCheckOperands(DECUNRESU, DECUNUSED, DECUNUSED, set))  in uprv_decNumberFromString()
765   if (decCheckOperands(res, DECUNUSED, rhs, set)) return res;  in uprv_decNumberAbs()
1076   if (decCheckOperands(res, DECUNUSED, rhs, set)) return res;  in uprv_decNumberExp()
1137   if (decCheckOperands(res, fhs, DECUNUSED, set)) return res;  in uprv_decNumberFMA()
1221   if (decCheckOperands(res, DECUNUSED, rhs, set)) return res;  in uprv_decNumberInvert()
1296   if (decCheckOperands(res, DECUNUSED, rhs, set)) return res;  in uprv_decNumberLn()
1359   if (decCheckOperands(res, DECUNUSED, rhs, set)) return res;  in uprv_decNumberLogB()
1438   if (decCheckOperands(res, DECUNUSED, rhs, set)) return res;  in uprv_decNumberLog10()
1665   if (decCheckOperands(res, DECUNUSED, rhs, set)) return res;  in uprv_decNumberMinus()
1695   if (decCheckOperands(res, DECUNUSED, rhs, set)) return res;  in uprv_decNumberNextMinus()
1731   if (decCheckOperands(res, DECUNUSED, rhs, set)) return res;  in uprv_decNumberNextPlus()
1908   if (decCheckOperands(res, DECUNUSED, rhs, set)) return res;  in uprv_decNumberPlus()
2350   if (decCheckOperands(res, DECUNUSED, rhs, set)) return res;  in uprv_decNumberReduce()
2863   if (decCheckOperands(res, DECUNUSED, rhs, set)) return res;  in uprv_decNumberSquareRoot()
3214   if (decCheckOperands(res, DECUNUSED, rhs, set)) return res;  in uprv_decNumberToIntegralExact()
3423   if (decCheckOperands(res, DECUNUSED, rhs, DECUNCONT)) return res;  in uprv_decNumberCopyAbs()
3444   if (decCheckOperands(res, DECUNUSED, rhs, DECUNCONT)) return res;  in uprv_decNumberCopyNegate()
3467   if (decCheckOperands(res, DECUNUSED, rhs, DECUNCONT)) return res;  in uprv_decNumberCopySign()
3548   if (decCheckOperands(DECUNRESU, DECUNUSED, dn, set)) return 0;  in uprv_decNumberIsNormal()
3568   if (decCheckOperands(DECUNRESU, DECUNUSED, dn, set)) return 0;  in uprv_decNumberIsSubnormal()
3593   if (decCheckOperands(DECUNRESU, DECUNUSED, dn, DECUNCONT)) return dn;  in uprv_decNumberTrim()
3620   if (decCheckOperands(dn, DECUNUSED, DECUNUSED, DECUNCONT)) return dn;  in uprv_decNumberZero()
3660   if (decCheckOperands(DECUNRESU, dn, DECUNUSED, DECUNCONT)) {  in decToString()
5299   if (decCheckOperands(res, DECUNUSED, rhs, set)) return res;  in decExpOp()
5651   if (decCheckOperands(res, DECUNUSED, rhs, set)) return res;
6640   if (decCheckOperands(dn, DECUNUSED, DECUNUSED, DECUNCONT)) return dn;
7978     if (!bad && lhs!=DECUNUSED) bad=(decCheckNumber(lhs));
7979     if (!bad && rhs!=DECUNUSED) bad=(decCheckNumber(rhs));