INFORMIX-ESQL/C Programmer's Manual Working with Opaque Data Types of the Universal Data Option

The SQL Opaque Data Type

Accessing the External Format of an Opaque Type

Declaring lvarchar Host Variables

An lvarchar Host Variable of a Fixed Size

The lvarchar Pointer Host Variable

The Opaque Type Name

Using lvarchar Host Variables

Using Fixed-Size lvarchar Host Variables

Using lvarchar Pointer Variables

Accessing the Internal Format of an Opaque Type

Accessing a Fixed-Length Opaque Type

Declaring fixed binary Host Variables

Using fixed binary Host Variables

Accessing a Varying-Length Opaque Type

Declaring var binary Host Variables

Using var binary Host Variables

The lvarchar pointer and var binary Library Functions

Accessing Predefined Opaque Data Types