int MGOselrvalsource (Code **lst, Code *cod)
The MGOselrvalsource() function selects validation source reference records. Information is passed through cod and returned through the linked list lst. The selection criteria fields are:
cod.code is the validation source reference code. If unspecified, all records are returned. The following fields are set for each selected validation source:
Returns the number of records selected upon success or -1 if an error occurred (in which case MGOerrno and MGOerrmsg are set appropriately).
none
MGOdelrvalsource(), MGOfreecode(), MGOinsrvalsource(), MGOupdrvalsource(), MGOzero()