How to convert a char array into an int in C++?

How do you convert a long int into a char?

• im using an arduino uno. Im making a project about sending a long int data by using a transmitter and im using the virtualwire for it. virtualwire can only send chars and nothing ...show more

• Answer:

  Use mask and shift... long i; char c; int j; .... for(j=0;j<4;j++){... c= i &255;// or c = i & 0XFF; i=i>>8; }