Made a connection between server and client using signal.h. Works with multiple clients. Client sends strings and supports ack.
How to make server and client
make
./server
My pid is ***
Waiting...
In the another terminal you have to launch client
./client *** 'your message'
There are additional commands for make
make clean
// clean all .o and .d files in ./libftmake fclean
// clean server, client, libft.a, all .o and .d files