Thread: [Dev-C++] DELETE/SUPR in ANSI C + Get a char without ENTER

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[Dev-C++] DELETE/SUPR in ANSI C + Get a char without ENTER

From: <vil...@ya...> - 2001-10-04 09:51:58

Hello,
I wonder if anybody knows the "ANSI C" way to:

(1) Allow the use of "delete" key or "supr" key while you are writing a long
word in
a scanf() and you mistype a key.
I always get the "[[3~" symbols and so on.

(2) For 1 character scanf, there is any "ANSI C" way to press the char and not
to
need to press ENTER then?

Thanks, and yes, I'm a beginner!

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Re: [Dev-C++] DELETE/SUPR in ANSI C + Get a char without ENTER

From: Jason H. <jas...@bt...> - 2001-10-04 11:14:23

I'm not too upto date on the current standard for ANSI C as I use C++ more,
but I think that the gets() (stdio.h) is in ANSI C and that will allow you
to get a string and it will handle the delete key too. It's main flaw is
that it doesn't check if you type in more chars than are in the string
array. The only other way to do it is to write your own gets type of
function, and include handling for special keys.

For a sinle character I would normaly use getch() or getche() (conio.h), but
I'm not so sure that they are ANCI C (anyone else know?). Another way would
be to use getc()(stdio.h) and tell it to get input from "stdin", i.e.

char c;
c = getc(stdin);

I don't know if that works, but it should.

Jason.

----- Original Message -----
From: "Albert Vilella Bertran" <vil...@ya...>
To: "DevC MAILING List" <dev...@li...>
Sent: Thursday, October 04, 2001 10:48 AM
Subject: [Dev-C++] DELETE/SUPR in ANSI C + Get a char without ENTER


> Hello,
> I wonder if anybody knows the "ANSI C" way to:
>
> (1) Allow the use of "delete" key or "supr" key while you are writing a
long
> word in
> a scanf() and you mistype a key.
> I always get the "[[3~" symbols and so on.
>
> (2) For 1 character scanf, there is any "ANSI C" way to press the char and
not
> to
> need to press ENTER then?
>
> Thanks, and yes, I'm a beginner!
>
> _______________________________________________________________
> Do You Yahoo!?
> Yahoo! Messenger: Comunicación instantánea gratis con tu gente -
> http://messenger.yahoo.es
>
> _______________________________________________
> Dev-cpp-users mailing list
> Dev...@li...
> https://lists.sourceforge.net/lists/listinfo/dev-cpp-users

RE: [Dev-C++] DELETE/SUPR in ANSI C + Get a char without ENTER

From: Ioannis V. <no...@ya...> - 2001-10-04 12:12:26

> -----Original Message-----
> From: dev...@li...=20
> [mailto:dev...@li...] On Behalf=20
> Of Albert Vilella Bertran
> Sent: Thursday, October 04, 2001 11:49 AM
> To: DevC MAILING List
> Subject: [Dev-C++] DELETE/SUPR in ANSI C + Get a char without ENTER
>=20
>=20
> Hello,
> I wonder if anybody knows the "ANSI C" way to:
>=20
> (1) Allow the use of "delete" key or "supr" key while you are=20
> writing a long word in a scanf() and you mistype a key. I=20
> always get the "[[3~" symbols and so on.


You can always use backspace...

>=20
> (2) For 1 character scanf, there is any "ANSI C" way to press=20
> the char and not to need to press ENTER then?

This feature is system dependend but on PCs the input stream is cached
till the ENTER is pressed so although this behavior is not defined by
ANSI, you can't. However you can use system extensions like getche()
defined in conio.h.

>=20
> Thanks, and yes, I'm a beginner!

That's the point we all passed from. :)


Ioannis

* Ioannis Vranos
* Programming pages: http://www.noicys.f2s.com
* Alternative URL: http://run.to/noicys

Re: [Dev-C++] DELETE/SUPR in ANSI C + Get a char without ENTER

From: Sayajin <sa...@if...> - 2001-10-04 12:56:24

Borland Builder C++ is the best ! And we have an utility which convert the
files projets of Visual to files projets for Builder ! ! !

----- Original Message -----
From: "Ioannis Vranos" <no...@ya...>
To: "Dev-C++" <dev...@li...>
Sent: Thursday, October 04, 2001 3:02 PM
Subject: RE: [Dev-C++] DELETE/SUPR in ANSI C + Get a char without ENTER

> -----Original Message-----
> From: dev...@li...
> [mailto:dev...@li...] On Behalf
> Of Albert Vilella Bertran
> Sent: Thursday, October 04, 2001 11:49 AM
> To: DevC MAILING List
> Subject: [Dev-C++] DELETE/SUPR in ANSI C + Get a char without ENTER
>
>
> Hello,
> I wonder if anybody knows the "ANSI C" way to:
>
> (1) Allow the use of "delete" key or "supr" key while you are
> writing a long word in a scanf() and you mistype a key. I
> always get the "[[3~" symbols and so on.

You can always use backspace...

>
> (2) For 1 character scanf, there is any "ANSI C" way to press
> the char and not to need to press ENTER then?

This feature is system dependend but on PCs the input stream is cached
till the ENTER is pressed so although this behavior is not defined by
ANSI, you can't. However you can use system extensions like getche()
defined in conio.h.

>
> Thanks, and yes, I'm a beginner!

That's the point we all passed from. :)

Ioannis

* Ioannis Vranos
* Programming pages: http://www.noicys.f2s.com
* Alternative URL: http://run.to/noicys

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Re: [Dev-C++] DELETE/SUPR in ANSI C + Get a char without ENTER

From: Jason S. <mys...@op...> - 2001-10-04 19:58:51

Though doesn't it not have the approval of the AP committee or some junk like that?  They make us use metrowerks in school, and the teacher was mentioning something of the such one day about one of borland's products.

Jason
  ----- Original Message ----- 
  From: Sayajin 
  To: Ioannis Vranos ; Dev-C++ 
  Sent: Thursday, October 04, 2001 8:56 AM
  Subject: Re: [Dev-C++] DELETE/SUPR in ANSI C + Get a char without ENTER

  Borland Builder C++ is the best ! And we have an utility which convert the
  files projets of Visual to files projets for Builder ! ! !

Re: [Dev-C++] DELETE/SUPR in ANSI C + Get a char without ENTER

From: Jason S. <mys...@op...> - 2001-10-04 20:02:02

Let me clarify that, I didn't mean that the AP committee might be RIGHT in what they think, I'm just disappointed we (possibly) can't use in school it because of that. :(

Jay
  ----- Original Message ----- 
  From: Jason Silverman 
  To: Dev-C++ 
  Sent: Thursday, October 04, 2001 3:58 PM
  Subject: Re: [Dev-C++] DELETE/SUPR in ANSI C + Get a char without ENTER

  Though doesn't it not have the approval of the AP committee or some junk like that?  They make us use metrowerks in school, and the teacher was mentioning something of the such one day about one of borland's products.

  Jason
    ----- Original Message ----- 
    From: Sayajin 
    To: Ioannis Vranos ; Dev-C++ 
    Sent: Thursday, October 04, 2001 8:56 AM
    Subject: Re: [Dev-C++] DELETE/SUPR in ANSI C + Get a char without ENTER

    Borland Builder C++ is the best ! And we have an utility which convert the
    files projets of Visual to files projets for Builder ! ! !

RE: [Dev-C++] DELETE/SUPR in ANSI C + Get a char without ENTER

From: Ioannis V. <no...@ya...> - 2001-10-04 21:14:12

Borland C++ Builder 5 is the best C++ RAD development tool currently for
Windows. :)
=20
This AP committee of yours must be something to US schools, fortunately
here there is chaos and anyone is on his own. :)
I think that too much committees can be a problem.
=20
=20
Ioannis
=20
* Ioannis Vranos
* Programming pages: http://www.noicys.f2s.com
<http://www.noicys.f2s.com/>=20
* Alternative URL: http://run.to/noicys

-----Original Message-----
From: dev...@li...
[mailto:dev...@li...] On Behalf Of Jason
Silverman
Sent: Thursday, October 04, 2001 10:02 PM
To: dev...@li...
Subject: Re: [Dev-C++] DELETE/SUPR in ANSI C + Get a char without ENTER


Let me clarify that, I didn't mean that the AP committee might be RIGHT
in what they think, I'm just disappointed we (possibly) can't use in
school it because of that. :(
=20
Jay

----- Original Message -----=20
From: Jason  <mailto:mys...@op...> Silverman=20
To: Dev-C++ <mailto:dev...@li...> =20
Sent: Thursday, October 04, 2001 3:58 PM
Subject: Re: [Dev-C++] DELETE/SUPR in ANSI C + Get a char without ENTER

Though doesn't it not have the approval of the AP committee or some junk
like that?  They make us use metrowerks in school, and the teacher was
mentioning something of the such one day about one of borland's
products.
=20
Jason

----- Original Message -----=20
From: Sayajin <mailto:sa...@if...> =20
To: Ioannis Vranos <mailto:no...@ya...>  ; Dev-C++
<mailto:dev...@li...> =20
Sent: Thursday, October 04, 2001 8:56 AM
Subject: Re: [Dev-C++] DELETE/SUPR in ANSI C + Get a char without ENTER

Borland Builder C++ is the best ! And we have an utility which convert
the
files projets of Visual to files projets for Builder ! ! !