_ret (void); Returns nothing (like C's void) _retc (char far *); Returns string _retclen (char far *, int); Returns string with explicit length _retni (int); Returns int as a Clipper numeric _retnl (long); Returns long as a Clipper numeric _retnd (double); Returns double as a Clipper numeric _retl (int)' Returns int as a Clipper logical _retds (char far *); Returns YYYYMMDD string as a Clipper date