c++
This program demonstrates how IPC can be used to communicatedata between two processes.
The program will do the following when it runs:
1. The user is asked to enter the number of bytes of data thatshould be transferred. This
value is passed to the generate_data function to create a datastring of that many bytes
to be transferred between the parent and child processes.
2. A function named pipe_xfer is called to create a childprocess and use a named pipe to
transfer the data string from the parent process to the child.After the transfer is
complete, the child process will verify that it received thedata correctly and display
OR
PayPal Gateway not configured
OR
PayPal Gateway not configured