Introduction - If you have any usage issues, please Google them yourself
Function is to complete the file transfer between processes. A sending process the two files into the message queue, the other two receiving process from the message queue to receive a file. This example, the composition consists of three source files: user.h shared head file, the filesnd.c the function is to read the two documents sent to the message queue, the function is filercv.c read the file from the message queue .