and initializing variables: Declare variables using this format: type variable name = initial value; /* descriptivecomment*/ Declare all variables used within business functionsand internal functions at the beginning of the function. AlthoughC allows you to declare variables within compound ...
You have the choice of specifying a starting value, and if this is not specified, the compiler evaluates it to 0. So, North is evaluated as value 0. If you want, you can also specify an explicit value against each of the enumerated constants by initializing them. Listing 3.9 demonstrates...
In C++, the const keyword can be used with class data members to indicate that their values cannot be changed after initializing them nor during its declaration but can assign the constructor values. This can be useful for creating read-only data members that are guaranteed to have a constant ...
In GNU C, you declare certain things about functions called in your program which help the compiler optimize function calls and check your code more carefully. The keyword__attribute__allows you to specify special attributes when making a declaration. This keyword is followed by an attribute speci...