int MGOdelrvalsource (Code *cod)
The MGOdelrvalsource() function deletes a validation source reference record. Information is passed through cod. The required fields are:
cod.code is the validation source reference code.
Returns the number of records deleted upon success or -1 if an error occurred (in which case MGOerrno and MGOerrmsg are set appropriately).
wmango
MGOinsrvalsource(), MGOselrvalsource(), MGOupdrvalsource(), MGOzero()