Basic implementation of MQTT protocoll with mosquitto

-----SUBSCRIBER------- Compile using: gcc -o [exe_name] mosquitto_sub_test.c -lmosquitto execue using: ./[exe_name] [host] [topic]

-----PUBLISHER-------- Compile using: gcc -o [nexe_name] mosquitto_pub_test.c -lmosquitto execute using: ./[exe_name] [host] [topic] [message]