Informix-ESQL/C Programmer's Manual
Chapter 10: Working with INFORMIX-Universal Server Opaque
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Working with INFORMIX-Universal Server Opaque Data Types
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
ifx_var_alloc()
ifx_var_dealloc()
ifx_var_flag()
ifx_var_getdata()
ifx_var_getlen()
ifx_var_isnull()
ifx_var_setdata()
ifx_var_setlen()
ifx_var_setnull()
Accessing Predefined Opaque Data Types
Informix-ESQL/C Programmer's Manual
, version 9.1
Copyright © 1998, Informix Software, Inc. All rights reserved.
