Sets the function return value to a null-terminated string.

Sets the library return value to a currency value.

Sets the function return value to a date. The date is specified in mm/dd/year format, where the year may be either two or four digits.

Sets the library return value to a datetime.

Sets the function return value to a float value.

Sets the function return value to a numeric value.

Sets the function return value to a logical value. Zero is considered False. Any non-zero value is considered True.

Passes a complete Visual FoxPro Value structure, so it can return any Visual FoxPro data type except for memo. You must call _RetVal( ) to return a string that contains embedded null characters.