int MGOdelvalidation (Validation *val)
The MGOdelvalidation() function deletes a validation record. Information is passed through val. The required fields are:
val.validid is the validation id. val.source_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
MGOinsvalidation(), MGOselrvalsource(), MGOselvalidation(), MGOupdvalidation(), MGOzero()