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Client APIs and toolsYou can use the HCL OneDB™ implementation of client APIs to develop applications for HCL OneDB™ database servers.
ESQL/C GuideThe HCL OneDB™ ESQL/C Programmer's Manual explains how to use , the HCL OneDB™ implementation of Embedded Structured Query Language (SQL) for C (ESQL/C), to create client applications with database-management capabilities.
What is HCL OneDB™ ESQL/C?
HCL OneDB™ ESQL/C programming
What is HCL OneDB™ ESQL/C? is an SQL application programming interface (API) that enables you to embed Structured Query Language (SQL) statements directly into a C program.
ESQL/C components
ESQL/C files for Windows™

ESQL/C files for Windows

For Windows™ environments, the product contains the following additional executable files:

The Setnet32 utility is a Windows-based utility that enables you to set configuration information.
For more information, see the HCL OneDB™ Client Products Installation Guide.
The ILOGIN utility is a demonstration program that opens a dialog box with fields for the connection parameters, for testing a connection to the database server (uses the stores7 database).
For more information, see the HCL OneDB Client Products Installation Guide.
The ESQLMF.EXE multibyte filter changes escape characters in multibyte strings into hexadecimal literals.

These executable files are located in the %INFORMIXDIR%\bin, %INFORMIXDIR%\lib, and %INFORMIXDIR%\demo directories. The %INFORMIXDIR% variable represents the value of the INFORMIXDIR environment variable.