File: getdents.2

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.\" -*- nroff -*-
.\" Copyright (C) 1995 Andries Brouwer (aeb@cwi.nl)
.\"
.\" Permission is granted to make and distribute verbatim copies of this
.\" manual provided the copyright notice and this permission notice are
.\" preserved on all copies.
.\"
.\" Permission is granted to copy and distribute modified versions of this
.\" manual under the conditions for verbatim copying, provided that the
.\" entire resulting derived work is distributed under the terms of a
.\" permission notice identical to this one
.\" 
.\" Since the Linux kernel and libraries are constantly changing, this
.\" manual page may be incorrect or out-of-date.  The author(s) assume no
.\" responsibility for errors or omissions, or for damages resulting from
.\" the use of the information contained herein.  The author(s) may not
.\" have taken the same level of care in the production of this manual,
.\" which is licensed free of charge, as they might when working
.\" professionally.
.\" 
.\" Formatted or processed versions of this manual, if unaccompanied by
.\" the source, must acknowledge the copyright and authors of this work.
.\"
.\" Written 11 June 1995 by Andries Brouwer <aeb@cwi.nl>
.\" Modified 22 July 1995 by Michael Chastain <mec@duracef.shout.net>:
.\"   Derived from 'readdir.2'.
.\" Modified Tue Oct 22 08:11:14 EDT 1996 by Eric S. Raymond <esr@thyrsus.com>
.TH GETDENTS 2  "22/07/1995" "Linux 1.3.6" "Manual do Programador Linux"
.SH NOME
getdents \- obtm as entradas de diretrios
.SH SINOPSE
.nf
.B #include <unistd.h>
.B #include <linux/types.h>
.B #include <linux/dirent.h>
.B #include <linux/unistd.h>
.sp
.B _syscall3(int, getdents, uint, fd, struct dirent *, dirp, uint, count);
.sp
.BI "int getdents(unsigned int " fd ", struct dirent *" dirp ", unsigned int " count );
.fi
.SH DESCRIO
.B getdents
l vrias estruturas
.I dirent
a partir do diretrio
apontado por
.I fd
dentro da rea de memria apontada por
.IR dirp .
O parmetro
.I count
 o tamanho da rea de memria.
.PP
A estrutura
.I dirent
 declarada como segue:
.PP
.RS
.nf
struct dirent
{
    long d_ino;                 /* inode number */
    off_t d_off;                /* offset to next \fIdirent\fP */
    unsigned short d_reclen;    /* length of this \fIdirent\fP */
    char d_name [NAME_MAX+1];   /* file name (null-terminated) */
}
.fi
.RE
.PP
.I d_ino
 um nmero de inode.
.I d_off
 a distncia a partir do incio do diretrio para o inco do prximo
.IR dirent .
.I d_reclen
 o tamanho da completa
.IR dirent.
.I d_name
 um nome de arquivo vazio.
.PP
Esta chamada substitui
.BR readdir (2).
.SH "VALORES RETORNADOS"
Em caso de sucesso, o nmero de bytes lidos  retornado.
No final do diretrio, 0  retornado.
Caso contrrio, \-1 is retornado, e
.I errno
 selecionado apropriadamente.
.SH "ERROS"
.TP
.B EBADF
Descritor de arquivos invlido
.IR fd .
.TP
.B EFAULT
O argumento aponta para o espao de endereno dp processo solicitante.
.TP
.B EINVAL
O buffer de resultado  muito pequeno.
.TP
.B ENOENT
Sem aquele diretrio.
.TP
.B ENOTDIR
O descritor de arquivos no se refere para um diretrio.
.SH "DE ACORDO COM"
SVr4, SVID. Na documentao SVr4 condies de erro adicionais ENOLINK, EIO.
.SH "VEJA TAMBM"
.BR readdir (2),
.BR readdir (3)
.SH TRADUZIDO POR LDP-BR em 21/08/2000.
\&\fR\&\f(CWAndr L. Fassone Canova <lonelywolf@blv.com.br> (traduo)\fR
\&\fR\&\f(CWxxxxxxxxxxxxxxxxxxxxxxxxx <xxx@xxxxxx.xxx.xx> (reviso)\fR