inv              2017 src/decNumber/decNumber.c         decNumber *inv=invbuff;         // assume use fixed buffer
inv              2030 src/decNumber/decNumber.c             inv=allocinv;               // use the allocated space
inv              2033 src/decNumber/decNumber.c           decNumberCopy(inv, dac);      // copy the 1/lhs
inv              2040 src/decNumber/decNumber.c           lhs=inv;                      // .. and go forward with new lhs