Pic16f877

[anu_kan2]

hi,
iam using micro C for programming my pic.i need to know the hardware interfacing or communication of 2 pic microcontrollers.i need to whether i need to connect 2 pic boards for making them communicate.i like to tranmit a simply msg to a pic and display it in a lcd or seven segment.i tried to do it by making an led to toggle if the msg is tranmitted .the led is toggling but i cudnt find whether the msg is transmitted or not.
plz reply me.it would be more helpful if i get the embedded C coding too.