Xbee data send

I will be very glad if you can help with total decote all inDtata to two variables var1 and var2

Have you even looked at strtok()?

char *token = strtok(inData, ",");
if(token)
{
   var1 = atol(token);

   token = strtok(NULL, ",");
   if(token)
   {
      val2 = atol(token);
   }
}