Sizeof operator 8. 1. if, if-else, switch 2. Characters are stored as numbers 2. Contiguous sequences of items of the same type 2. A string is a 1-d array of char containing a null character.
String length equals the index of the first null.
Q. Pointers 1. A pointer is an address 2. Parameter is the address of a variable. Dereferencing operator is used in body of function. Called function can alter variable in calling function.