isCOBOL Evolve : Appendices : Library Routines : IWC$INIT
IWC$INIT
The IWC$INIT library routine initiates the communication between an embedded WebClient application and the embedding HTML page. For more information about embedding a WebClient application within an HTML page, see Embedding the COBOL application in an HTML page.
By calling this library routine you also specify the CRT-STATUS value for the interruption of the ACCEPT statement when the COBOL program receives a message from the embedding HTML page.
Syntax:
 CALL "IWC$INIT" USING crtStatus
                GIVING returnCode
Parameters:
crtStatus
PIC 9(n) or numeric literal
Specifies the CRT-STATUS value for the interruption of the ACCEPT statement when the COBOL program receives a message from the embedding HTML page
Return code:
returnCode can be any signed numeric data item.
-1
Operation failed.
Ensure you’re running in WebClient environment
0
Operation successful.
Examples:
Example - initiate the HTML-COBOL communication setting the value 100 as CRT-STATUS value to be returned when the COBOL program receives a message from the HTML page
procedure division.
...
   call "iwc$init" using 100.