Translates the specified identifier value to its identifier name.
    On Alpha and Integrity server systems, this service accepts 64-
    bit addresses.
    Format
      SYS$IDTOASC  id ,[namlen] ,[nambuf] ,[resid] ,[attrib]
                   ,[contxt]
    C Prototype
      int sys$idtoasc  (unsigned int id, unsigned short int *namlen,
                       void *nambuf, unsigned int *resid, unsigned
                       int *attrib, unsigned int *contxt);
Additional Information:
explode
extract