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| From | Ben Bacarisse <ben.usenet@bsb.me.uk> |
|---|---|
| Newsgroups | comp.lang.c |
| Subject | Re: Forward declarations |
| Date | 2015-11-15 00:15 +0000 |
| Organization | A noiseless patient Spider |
| Message-ID | <87fv08w22h.fsf@bsb.me.uk> (permalink) |
| References | (2 earlier) <8e0d7ce4-abc9-4134-8c4b-ea3296c939ad@googlegroups.com> <n1vmpb$fi2$2@dont-email.me> <n259ls$b8$4@dont-email.me> <kfnsi48pdv4.fsf@x-alumni2.alumni.caltech.edu> <22d7dea2-f008-4297-9c6a-45a552fb12f0@googlegroups.com> |
"Rick C. Hodgin" <rick.c.hodgin@gmail.com> writes:
> On Saturday, November 14, 2015 at 2:50:19 PM UTC-5, Tim Rentsch wrote:
>> Nick Bowler <nbowler@draconx.ca> writes:
>>
>> > It is currently impossible in C to write mutually recursive
>> > functions without declaring at least one of the functions twice.
>>
>> I wouldn't bet money on that if I were you -
>>
>> int
>>01: foo( char *s, int n, int ferrah() ){
>> if( *s == ' ' ) return foo( s+1, n, ferrah );
>> return ferrah( s, n+1 );
>> }
>>
>>02: int
>> bas( char *s, int n ){
>> if( *s == 0 ) return n;
>> if( *s != ' ' ) return bas( s+1, n );
>> return foo( s, n, bas );
>> }
>
> Technically, you did declared it twice,
How many times is the integer x declared here:
int foo(int an_int_parameter) { return an_int_parameter + 1; }
int x = 42;
? If your answer is twice, why? If it is once, why does the same
argument not apply to Tim's example?
<snip>
--
Ben.
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Forward declarations "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-11-10 14:20 -0800
Re: Forward declarations jacobnavia <jacob@jacob.remcomp.fr> - 2015-11-10 23:38 +0100
Re: Forward declarations "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-11-10 15:00 -0800
Re: Forward declarations Ian Collins <ian-news@hotmail.com> - 2015-11-11 12:24 +1300
Re: Forward declarations "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-11-10 15:53 -0800
Re: Forward declarations gazelle@shell.xmission.com (Kenny McCormack) - 2015-11-11 00:01 +0000
Re: Forward declarations Ian Collins <ian-news@hotmail.com> - 2015-11-11 13:46 +1300
Re: Forward declarations "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-11-10 21:05 -0800
Re: Forward declarations BartC <bc@freeuk.com> - 2015-11-11 00:21 +0000
Re: Forward declarations Lőrinczy Zsigmond <zsiga@nospam.for.me> - 2015-11-11 10:16 +0100
Re: Forward declarations "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-11-11 07:19 -0800
Re: Forward declarations David Brown <david.brown@hesbynett.no> - 2015-11-11 15:40 +0100
Re: Forward declarations "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-11-11 07:21 -0800
Re: Forward declarations "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-11-11 07:23 -0800
Re: Forward declarations David Brown <david.brown@hesbynett.no> - 2015-11-11 16:29 +0100
Re: Forward declarations "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-11-11 07:31 -0800
Re: Forward declarations Nick Bowler <nbowler@draconx.ca> - 2015-11-13 18:20 +0000
Re: Forward declarations "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-11-13 10:39 -0800
Re: Forward declarations BartC <bc@freeuk.com> - 2015-11-13 19:40 +0000
Re: Forward declarations Tim Rentsch <txr@alumni.caltech.edu> - 2015-11-14 11:42 -0800
Re: Forward declarations "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-11-14 12:32 -0800
Re: Forward declarations Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-11-15 00:15 +0000
Re: Forward declarations "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-11-14 16:34 -0800
Re: Forward declarations Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-11-15 01:54 +0000
Re: Forward declarations "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-11-14 18:00 -0800
Re: Forward declarations Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-11-15 02:13 +0000
Re: Forward declarations "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-11-14 18:26 -0800
Re: Forward declarations Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-11-15 02:34 +0000
Re: Forward declarations BartC <bc@freeuk.com> - 2015-11-15 11:11 +0000
Re: Forward declarations Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-11-15 02:36 +0000
Re: Forward declarations "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-11-14 19:25 -0800
Re: Forward declarations "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-11-14 19:37 -0800
Re: Forward declarations "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-11-14 20:11 -0800
Re: Forward declarations Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-11-15 10:36 +0000
Re: Forward declarations "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-11-15 06:16 -0800
Re: Forward declarations BartC <bc@freeuk.com> - 2015-11-15 14:44 +0000
Re: Forward declarations "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-11-15 09:41 -0800
Re: Forward declarations Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-11-15 18:26 +0000
Re: Forward declarations BartC <bc@freeuk.com> - 2015-11-15 18:42 +0000
Re: Forward declarations Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-11-15 18:53 +0000
Re: Forward declarations "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-11-15 12:58 -0800
Re: Forward declarations "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-11-15 12:49 -0800
Re: Forward declarations Ian Collins <ian-news@hotmail.com> - 2015-11-16 10:01 +1300
Re: Forward declarations Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-11-15 14:54 +0000
Re: Forward declarations "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-11-15 09:53 -0800
Re: Forward declarations Keith Thompson <kst-u@mib.org> - 2015-11-15 10:36 -0800
Re: Forward declarations "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-11-15 12:56 -0800
Re: Forward declarations Ian Collins <ian-news@hotmail.com> - 2015-11-16 10:04 +1300
Re: Forward declarations "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-11-15 13:11 -0800
Re: Forward declarations Ian Collins <ian-news@hotmail.com> - 2015-11-16 10:25 +1300
Re: Forward declarations "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-11-15 13:37 -0800
Re: Forward declarations Tim Rentsch <txr@alumni.caltech.edu> - 2015-11-15 13:13 -0800
Re: Forward declarations "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-11-15 13:16 -0800
Re: Forward declarations David Brown <david.brown@hesbynett.no> - 2015-11-16 00:23 +0100
Re: Forward declarations "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-11-15 16:20 -0800
Re: Forward declarations Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-11-16 00:47 +0000
Re: Forward declarations BartC <bc@freeuk.com> - 2015-11-16 01:28 +0000
Re: Forward declarations Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-11-16 01:57 +0000
Re: Forward declarations Eric Sosman <esosman@comcast-dot-net.invalid> - 2015-11-15 21:15 -0500
Re: Forward declarations Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-11-16 11:05 +0000
Re: Forward declarations Eric Sosman <esosman@comcast-dot-net.invalid> - 2015-11-16 10:18 -0500
Re: Forward declarations Richard Heathfield <rjh@cpax.org.uk> - 2015-11-16 06:44 +0000
Re: Forward declarations BartC <bc@freeuk.com> - 2015-11-16 11:26 +0000
Re: Forward declarations David Brown <david.brown@hesbynett.no> - 2015-11-16 12:43 +0100
Re: Forward declarations BartC <bc@freeuk.com> - 2015-11-16 12:20 +0000
Re: Forward declarations David Brown <david.brown@hesbynett.no> - 2015-11-16 14:38 +0100
Re: Forward declarations Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-11-16 13:26 +0000
Re: Forward declarations BartC <bc@freeuk.com> - 2015-11-16 13:53 +0000
Re: Forward declarations "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-11-15 18:12 -0800
Re: Forward declarations pa@see.signature.invalid (Pierre Asselin) - 2015-11-12 01:54 +0000
Re: Forward declarations "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-11-12 02:08 -0800
Re: Forward declarations BartC <bc@freeuk.com> - 2015-11-12 09:58 +0000
Re: Forward declarations John Bode <jfbode1029@gmail.com> - 2015-11-17 14:46 -0800
Re: Forward declarations "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-11-17 14:59 -0800
Re: Forward declarations BartC <bc@freeuk.com> - 2015-11-17 23:35 +0000
Re: Forward declarations BartC <bc@freeuk.com> - 2015-11-17 23:40 +0000
Re: Forward declarations Keith Thompson <kst-u@mib.org> - 2015-11-17 19:48 -0800
Re: Forward declarations glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2015-11-18 01:04 +0000
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