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Re: The assignment for today's lesson

From Ike Naar <ike@iceland.freeshell.org>
Newsgroups comp.lang.c
Subject Re: The assignment for today's lesson
Date 2016-11-13 20:48 +0000
Organization A noiseless patient Spider
Message-ID <slrn3vfso2hkd9.ok2.ike@iceland.freeshell.org> (permalink)
References (2 earlier) <36255633-dc2e-47ea-b7bc-76947ec42e1b@googlegroups.com> <o06tan$db7$1@dont-email.me> <o07d1c$1fbu$1@gioia.aioe.org> <o07d9c$331$2@dont-email.me> <o07ug8$bv6$1@gioia.aioe.org>

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On 2016-11-12, Robert Spanjaard <spamtrap@arumes.com> wrote:
> int main()

int main(void)

> {	
>     char	chewb;	/* current character being processed */

      int chewb; /* getchar() returns an int, not a char */

>     int	r2d2,	/* number of numbers */
>     	c3po;	/* number of letters */

Note that r2d2 and c3po are not initialized.

>
>     while ((chewb = getchar()) != EOF)
>        if ((chewb >= 'a' && chewb <= 'z') || (chewb >= 'A' && chewb <= 'Z'))

         if (isupper(chewb) || islower(chewb))

>           ++c3po;

Incrementing an uninitialized variable.

>        else if (chewb >= '0' && chewb <= '9')

         else if (isdigit(chewb))

>           ++r2d2;

Incrementing an uninitialized variable.

>
>     printf("Number of letters: %i\nNumber of numbers: %i\n", c3po, r2d2);
>     return 0;
> }

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Thread

The assignment for today's lesson "Mr. Man-wai Chang" <toylet.toylet@gmail.com> - 2016-11-12 19:10 +0800
  Re: The assignment for today's lesson Robert Spanjaard <spamtrap@arumes.com> - 2016-11-12 16:38 +0100
    Re: The assignment for today's lesson "Mr. Man-wai Chang" <toylet.toylet@gmail.com> - 2016-11-12 23:43 +0800
      Re: The assignment for today's lesson Robert Spanjaard <spamtrap@arumes.com> - 2016-11-12 21:36 +0100
        Re: The assignment for today's lesson "Mr. Man-wai Chang" <toylet.toylet@gmail.com> - 2016-11-13 14:30 +0800
          Re: The assignment for today's lesson Your Name <YourName@YourISP.com> - 2016-11-13 19:37 +1300
            [OT] chat "Mr. Man-wai Chang" <toylet.toylet@gmail.com> - 2016-11-13 14:40 +0800
              Re: [OT] chat Sjouke Burry <burrynulnulfour@ppllaanneett.nnll> - 2016-11-13 08:58 +0100
                Re: [OT] chat "Mr. Man-wai Chang" <toylet.toylet@gmail.com> - 2016-11-13 18:46 +0800
          Re: The assignment for today's lesson Robert Spanjaard <spamtrap@arumes.com> - 2016-11-13 11:25 +0100
            Re: The assignment for today's lesson "Mr. Man-wai Chang" <toylet.toylet@gmail.com> - 2016-11-13 18:47 +0800
        Re: New assignment/homework "Mr. Man-wai Chang" <toylet.toylet@gmail.com> - 2016-11-13 14:32 +0800
          Re: New assignment/homework Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-11-13 10:05 +0000
            [OT] "Mr. Man-wai Chang" <toylet.toylet@gmail.com> - 2016-11-13 18:47 +0800
        Re: The assignment for today's lesson Ike Naar <ike@iceland.freeshell.org> - 2016-11-13 20:48 +0000
          Re: The assignment for today's lesson Robert Spanjaard <spamtrap@arumes.com> - 2016-11-13 22:29 +0100
            Re: The assignment for today's lesson "James R. Kuyper" <jameskuyper@verizon.net> - 2016-11-13 16:38 -0500
              Re: The assignment for today's lesson Gareth Owen <gwowen@gmail.com> - 2016-11-13 22:24 +0000
          Re: The assignment for today's lesson "James R. Kuyper" <jameskuyper@verizon.net> - 2016-11-13 16:37 -0500
            Re: The assignment for today's lesson Ike Naar <ike@iceland.freeshell.org> - 2016-11-14 09:39 +0000
        Re: The assignment for today's lesson Jerry Stuckle <jstucklex@attglobal.net> - 2016-11-13 19:07 -0500
          Re: The assignment for today's lesson Lew Pitcher <lew.pitcher@digitalfreehold.ca> - 2016-11-13 19:42 -0500
            Re: The assignment for today's lesson Jerry Stuckle <jstucklex@attglobal.net> - 2016-11-13 21:47 -0500
              Re: The assignment for today's lesson Lew Pitcher <lew.pitcher@digitalfreehold.ca> - 2016-11-14 10:39 -0500
                Re: The assignment for today's lesson Jerry Stuckle <jstucklex@attglobal.net> - 2016-11-14 11:38 -0500
                Re: The assignment for today's lesson "James R. Kuyper" <jameskuyper@verizon.net> - 2016-11-14 12:15 -0500
                Re: The assignment for today's lesson Jerry Stuckle <jstucklex@attglobal.net> - 2016-11-14 16:01 -0500
            Re: The assignment for today's lesson Richard Damon <Richard@Damon-Family.org> - 2016-11-13 22:25 -0500
              Re: The assignment for today's lesson Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-11-14 12:05 +0000
            Re: The assignment for today's lesson "James R. Kuyper" <jameskuyper@verizon.net> - 2016-11-14 12:14 -0500
              Re: The assignment for today's lesson Keith Thompson <kst-u@mib.org> - 2016-11-14 09:50 -0800
          Re: The assignment for today's lesson Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-11-14 00:42 +0000
            Re: The assignment for today's lesson Jerry Stuckle <jstucklex@attglobal.net> - 2016-11-13 21:48 -0500

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