In the C programming language, it is my understanding that variables can only be defined at the beginning of a code block, and the variable will have the scope of the block it w
Assuming that you use an old compiler (like I do, it's for old hardware), that you skip the if(TRUE) like others have suggested, and that you have a really HUGE function (witch you should not have in the first place), then I think it's sort of ok.
I have done it but it did not feel good...