int MGOdelrsubattrval (Subscription *sub)
The MGOdelrsubattrval() function deletes a subscription attribute record. Information is passed through sub. The required fields are:
sub.subscription is the subscription reference code. sub.attribute is the subscription attribute 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
MGOinsrsubattrval(), MGOselrsubattr(), MGOselrsubattrval(), MGOselrsubscription(), MGOupdrsubattrval(), MGOzero()