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ESL Documentation

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Library Subroutines and Functions

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Dynamic Link Libraries (DLLs) are created from files written in an external language (C, Pascal, COBOL, and so on) and then linked into a library. ESL supplies the following series of libraries that contain functions and subroutines you can use within your applications:

 

Operations

Library

Include File(s)

ESL (General)

library "esllib"

ESLLIB.INC

Date

library "datelib"

DATELIB.INC

File I/O

library "fileio"

FILEIO.INC

Math

library "mathlib"

MATHLIB.INC

Message

library "message"

MESSAGE.INC

Strings

library "eslstr"

ESLSTR.INC

Help*

library "eslhelp"

ESLHELP.INC

EEHLLAPI*

library “eslcmsrv”

ESLCMSRV.INC

UDB/DB2*

library “edb2”

EDB2.INC, EDB2DYN.INC, ESQLCA.INC & ESQLDA.INC

ODBC*

library “eds”

EDS.INC & EDSEXT.INC

APPC*

library “eslappc”

ESLAPPC.INC

DDE*

library “esldde”

ESLDDE.INC

 

This chapter describes how to use most of these libraries in your ESL programs. For more information on the marked (*) operations see the following reference manuals:

         

For complete details on all other supplied library functions and subroutines, refer to their descriptions in the Reference Guide for the ESL Language.