int MGOdelrcategory (Code *cod)
The MGOdelrcategory() function deletes a category reference record. Information is passed through cod. The required fields are:
cod.code is the category 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
MGOinsrcategory(), MGOselrcategory(), MGOupdrcategory(), MGOzero()