From: joy <gracecott@sancharnet.in>
To: lantis@iqranet.info, linux-c-programming@vger.kernel.org
Subject: Re: various doubts part 2
Date: Wed, 11 Aug 2004 08:22:08 +0530 [thread overview]
Message-ID: <411989D8.1030000@sancharnet.in> (raw)
In-Reply-To: <1092121443.1419.3.camel@linux.local>
Sascha Retzki wrote:
>Am Di, 2004-08-10 um 04.53 schrieb joy:
>
>
>> outfile = open(filename,O_WRONLY|O_CREAT,S_IRWXU|S_IRWXO);
>> while((bytes_read = read(STDIN_FILENO,buff,sizeof(buff))>0))
>> {
>> if((bytes_written = write(outfile , buff ,bytes_read))!=bytes_read)
>> {
>> fprintf(stderr,"write error");
>> exit(1);
>> }
>> }
>>
>>
>
>Why not reading from 'stdin' directly ? That FD is defined in stdio.h
>iirc... What is STDIN_FILENO anyway :) ?
>
>
Also a defined contant, and corresponds to the fd of stdin
(0).(Stevens, adv., prog in unix env.,)
Anyways ,I used fread and fwrite and the fellow seems to work.
guess you have to treat stdin as streams only.
Joy.M.M
next prev parent reply other threads:[~2004-08-11 2:52 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-08-10 2:53 various doubts part 2 joy
2004-08-10 7:04 ` Sascha Retzki
2004-08-11 2:52 ` joy [this message]
2004-08-11 22:21 ` Luiz Fernando N. Capitulino
2004-08-12 10:49 ` joy
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