Compilación

gcc -o client client.c client_utils.c `pkg-config --cflags --libs gtk+-3.0` -export-dynamic
gcc -o server server.c server_utils.c `pkg-config --cflags --libs gtk+-3.0` -export-dynamic

./server

./client
./client
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n

https://www.youtube.com/watch?v=qioZAH30I2Q