fhs              1010 src/decNumber/decNumber.c                          const decNumber *rhs, const decNumber *fhs,
fhs              1029 src/decNumber/decNumber.c      || (!decNumberIsSpecial(fhs) && decCheckMath(fhs, set, &status))) break;
fhs              1062 src/decNumber/decNumber.c       fhs=&dzero;                       // use that
fhs              1065 src/decNumber/decNumber.c     decAddOp(res, acc, fhs, set, 0, &status);