Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!cs.utexas.edu!uunet!crdgw1!crdos1!davidsen From: davidsen@crdos1.crd.ge.COM (Wm E Davidsen Jr) Newsgroups: comp.lang.c Subject: Re: Declaration within a loop. Message-ID: <559@crdos1.crd.ge.COM> Date: 27 Sep 89 15:22:20 GMT References: <2085@hydra.gatech.EDU> <30174@news.Think.COM> Reply-To: davidsen@crdos1.UUCP (bill davidsen) Distribution: usa Organization: GE Corp R&D Center Lines: 16 In article <30174@news.Think.COM>, barmar@kulla (Barry Margolin) writes: | Yes, a new i variable is declared. However, at the end of each time | through the loop it is "undeclared", so it can be deallocated. Most C | implementations will actually use the same memory location (probably | on the stack) each time. Most C compilers allocate space on the stack for this when the procedure is entered. It therefore is not a practical thing to do to save space. The most common use is to correct for having forgotten to declare a variable at the start of a procedure. -- bill davidsen (davidsen@crdos1.crd.GE.COM -or- uunet!crdgw1!crdos1!davidsen) "The world is filled with fools. They blindly follow their so-called 'reason' in the face of the church and common sense. Any fool can see that the world is flat!" - anon