How do curly braces and scope wоrk in C?

Question

I\'m currently trying to learn some C in my spare time. I have some experience in Java, and I\'m therefore used to limit scoping of i.e. variables with curly braces. But I\'

Answer 1

The while, if, else if, and else are followed by a single statement. This statement can be an actual line of C, or a block statement (surrounded by braces). The if, else if, and else are considered as one block.

So using braces, this would be the equivalent:

while((c = getchar())) != EOF) {
    if (c >= '0' && c <= '9') {
        ++ndigit[c-'0'];
    }
    else if() {  /*and so forth...*/
        ++nwhite;
    }
    else {
        ++nother;
    }
}