On Sun, Jan 13, 2002 at 08:46:44PM +0100, Wichert Akkerman wrote: > Previously Gerhard Tonn wrote: > > >>The following code fragment will ignore the end-of-file when char is > > >>implemented using unsigned char, due to internal conversions between data > > >>types: > > >> > > >> char c; > > >> while ((c = getchar()) != EOF) > > >> process character in c > > > In other contexts the right solution is to make the type of the variable > > 'signed char'. > > No, the right solution here is make c of type `int'. getchar() does > not return a char for a very obvious reason: if it did one would not > be able to distinguish between a valid character read from the keyboard > and an error condition. Well, the original post said: "and the EOF is ignored. The correction is to make the type of variable c int." I guess that's why it says "in OTHER contexts". -- Peter Mathiasson | GPG Fingerprint: E-Mail: peter(at)mathiasson(dot)nu | A9A7 F8F6 9821 F415 B066 Web : http://www.mathiasson.nu | 77F1 7FF5 C2E6 7BF2 F228 The adress used in the From: header is valid until 2002/02/13. Please send messages to my real adress listed above.
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