[cs631apue] starting functions in GNU Linux mian()

[zding4]

setprogname can maximum program's portability.
But GNU use macro to define the program name.

在 09/16/2014 10:30 PM，cpunjabi 写道：
> argv[0] always contains the name of the program. i.e if you run
> welcome.c program, argv[0] contains "welcome". I think setlocale is
> used for internationalization, LC_ALL specifies the locale for all
> purposes and By setting the locale to "", we are implicitly assigning
> the locale to the user's defined locale.
> 
> On 2014-09-16 22:15, xxu15 at stevens.edu wrote:
>> 
>> Hi,
>> I found that in many GNU Linux c files, at the begining of the main()
>> function, there are such functions being invoked as below:
>> 
>> initialize_main (&argc, &argv);
>> set_program_name (argv[0]);
>> setlocale (LC_ALL, "");
>> 
>> bindtextdomain (PACKAGE, LOCALEDIR);
>> textdomain (PACKAGE);
>> 
>> Has any body figured out what they are used for ?
>> 
>> -------------------------
>> 
>> Sincerely,
>> Xiang Xu (徐祥)
>> Student ID: 10388813
>> tel: +1 (201) 918-0570
>>  +86 13851478402
>> qq: 185904095
>> _______________________________________________
>> cs631apue mailing list
>> cs631apue at lists.stevens.edu
>> https://lists.stevens.edu/mailman/listinfo/cs631apue
> _______________________________________________
> cs631apue mailing list
> cs631apue at lists.stevens.edu
> https://lists.stevens.edu/mailman/listinfo/cs631apue