Progress
External Program
Interfaces
Running the Application
Before you run the application, you must compile and link the C program.
This procedure assumes that the name of the C executable is
e-cpipe
.Follow these steps to run the application:
You can rerun the application. In the C program, enter “2" to select writing a named pipe, then enter a customer number. In the 4GL program, select “Read from Pipe.” The C program writes the customer number to the named pipe. The 4GL program reads the named pipe, retrieves the row of the customer table with the specified customer number, and displays the row’s columns.
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