// this is an example of a one-line comment. /* this is an example of a multi-line comment */ #define TRISD 0xFE000044 // examples of datatypes unsigned char x = 42; // x = 00101010 short y = -10; // y = 11111111 11110110 unsigned long z = 0; // z = 00000000 00000000 00000000 00000000