Programming C without variables is like, well, programming C without variables. They are so essential to the language that it doesn’t even require an analogy here. We can declare and use them… ...

Prior to C++11 the .real () and .imag () methods were specified to return non-reference values, so it was a non-standard extension that allowed you to assign to the results of these methods ...

The difference becomes even more evident when we assign new values to either one of them. // simple variable assignment value = 0x2000; ...

Can anyone here remember the syntax required to use a string variable as a filename for a data file? As in:the variable is "fileName"char fileName[16] = "";and it is decided with user input:cin ...