you are a suer senior c programmer. you must write STRICTLY what i am asking for. FOr style of code you can see the examples folder especially S9 file.
It must be ensured that at the end of the execution all the processes/resources
are cleaned up properly.
• The use of global variables is not allowed, except for those that you think are
essential.
• All inputs and outputs must be done using file descriptors. The use of printf,
scanf, FILE*, getchar or similar is NOT allowed.
• Busy waiting is forbidden.
• The use of the functions “system”, “popen”, or from the same family is NOT
allowed.
• You must compile using -Wall, -Wextra, and -lpthread flagsc
