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Re: standard error messages in a std::string or in a const char *

From Paavo Helde <myfirstname@osa.pri.ee>
Newsgroups comp.lang.c++
Subject Re: standard error messages in a std::string or in a const char *
Date 2019-09-11 20:32 +0300
Organization A noiseless patient Spider
Message-ID <qlbb35$vji$1@dont-email.me> (permalink)
References (2 earlier) <slrnqnhc2b.cdo.grahn+nntp@frailea.sa.invalid> <qlacv3$1d1o$1@adenine.netfront.net> <qlb4o0$m6s$1@dont-email.me> <qlb72g$63i$1@dont-email.me> <qlbabt$q2f$1@dont-email.me>

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On 11.09.2019 20:19, Soviet_Mario wrote:
> Il 11/09/19 18:23, Paavo Helde ha scritto:
>> On 11.09.2019 18:43, Soviet_Mario wrote:
>>>
>>> but my main problem is : even including all possible headers, QT IDE
>>> does not see strerror prototype.
>>
>> "All possible headers" are not needed, man strerror clearly says it is
>> declared in <string.h>.
>>
>
> thanks a lot.
> I included C++ like headers, among them "plain" <string>
> and guess what ?
> the C++ header DONT have a strerror prototype.

That's expected. The C++ equivalent of <string.h> is <cstring>, not 
<string>. And even with <cstring> you should call std::strerror(), not 
strerror().

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standard error messages in a std::string or in a const char * Soviet_Mario <SovietMario@CCCP.MIR> - 2019-09-11 00:35 +0200
  Re: standard error messages in a std::string or in a const char * Soviet_Mario <SovietMario@CCCP.MIR> - 2019-09-11 00:37 +0200
    Re: standard error messages in a std::string or in a const char * Jorgen Grahn <grahn+nntp@snipabacken.se> - 2019-09-11 08:28 +0000
      Re: standard error messages in a std::string or in a const char * Juha Nieminen <nospam@thanks.invalid> - 2019-09-11 08:58 +0000
        Re: standard error messages in a std::string or in a const char * Bonita Montero <Bonita.Montero@gmail.com> - 2019-09-11 11:09 +0200
          Re: standard error messages in a std::string or in a const char * Bonita Montero <Bonita.Montero@gmail.com> - 2019-09-11 11:37 +0200
        Re: standard error messages in a std::string or in a const char * Keith Thompson <kst-u@mib.org> - 2019-09-11 02:37 -0700
          Re: standard error messages in a std::string or in a const char * Bonita Montero <Bonita.Montero@gmail.com> - 2019-09-11 11:47 +0200
            Re: standard error messages in a std::string or in a const char * Öö Tiib <ootiib@hot.ee> - 2019-09-11 04:43 -0700
              Re: standard error messages in a std::string or in a const char * James Kuyper <jameskuyper@alumni.caltech.edu> - 2019-09-11 08:27 -0400
                Re: standard error messages in a std::string or in a const char * Manfred <noname@add.invalid> - 2019-09-11 14:56 +0200
                Re: standard error messages in a std::string or in a const char * Daniel <danielaparker@gmail.com> - 2019-09-11 07:00 -0700
          Re: standard error messages in a std::string or in a const char * Thiago Adams <thiago.adams@gmail.com> - 2019-09-11 09:44 -0700
          Re: standard error messages in a std::string or in a const char * Jorgen Grahn <grahn+nntp@snipabacken.se> - 2019-09-12 10:21 +0000
            Re: standard error messages in a std::string or in a const char * Soviet_Mario <SovietMario@CCCP.MIR> - 2019-09-12 13:05 +0200
        Re: standard error messages in a std::string or in a const char * Soviet_Mario <SovietMario@CCCP.MIR> - 2019-09-11 17:43 +0200
          Re: standard error messages in a std::string or in a const char * Paavo Helde <myfirstname@osa.pri.ee> - 2019-09-11 19:23 +0300
            Re: standard error messages in a std::string or in a const char * Soviet_Mario <SovietMario@CCCP.MIR> - 2019-09-11 19:19 +0200
              Re: standard error messages in a std::string or in a const char * Paavo Helde <myfirstname@osa.pri.ee> - 2019-09-11 20:32 +0300
                Re: standard error messages in a std::string or in a const char * Soviet_Mario <SovietMario@CCCP.MIR> - 2019-09-12 13:08 +0200
                Re: standard error messages in a std::string or in a const char * Thiago Adams <thiago.adams@gmail.com> - 2019-09-12 04:29 -0700
                Re: standard error messages in a std::string or in a const char * Keith Thompson <kst-u@mib.org> - 2019-09-12 14:41 -0700
              Re: standard error messages in a std::string or in a const char * Thiago Adams <thiago.adams@gmail.com> - 2019-09-11 10:39 -0700
              Re: standard error messages in a std::string or in a const char * James Kuyper <jameskuyper@alumni.caltech.edu> - 2019-09-11 19:50 -0400
                Re: standard error messages in a std::string or in a const char * Keith Thompson <kst-u@mib.org> - 2019-09-11 17:11 -0700
                Re: standard error messages in a std::string or in a const char * James Kuyper <jameskuyper@alumni.caltech.edu> - 2019-09-11 20:23 -0400
                Re: standard error messages in a std::string or in a const char * David Brown <david.brown@hesbynett.no> - 2019-09-12 11:21 +0200
                Re: standard error messages in a std::string or in a const char * James Kuyper <jameskuyper@alumni.caltech.edu> - 2019-09-12 07:31 -0400
                Re: standard error messages in a std::string or in a const char * Manfred <noname@add.invalid> - 2019-09-12 15:44 +0200

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