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.\" Copyright 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.\" manual page may be incorrect or out-of-date.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'.
.\" Translated 22 Dec 1995 Miguel A. Sepulveda (miguel@typhoon.harvard.edu)
.\" Modified 1 Jul 1996 Miguel A. Sepulveda (angel@vivaldi.princeton.edu)
.TH GETDENTS 2 "1 Julio 1996" "Linux 1.3.6" "Manual del Programador Linux"
.SH NOMBRE
getdents \- obtiene las entradas de un directorio
.SH SINOPSIS
.nf
.B #include <unistd.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 DESCRIPCIN
.B getdents
lee varias estructuras
.I dirent
del directorio sealado por el puntero
.I fd
en el rea de memoria sealada por
.IR dirp .
El parmetro
.I count
es el tamao del rea de memoria.
.PP
La estructura
.I dirent
se declara de la siguente manera:
.PP
.RS
.nf
struct dirent
{
long d_ino; /* nmero nodo-i */
off_t d_off; /* offset al prximo \fIdirent\fP */
unsigned short d_reclen; /* longitud de este \fIdirent\fP */
char d_name [NAME_MAX+1]; /* Nombre del fichero (terminado en null) */
}
.fi
.RE
.PP
.I d_ino
es un nmero de nodo-i (inode)
.I d_off
es la distancia desde el principio del directorio al comienzo del prximo
.IR dirent .
.I d_reclen
es el tamao de todo el
.IR dirent.
.I d_name
es un nombre de fichero terminado en null.
.PP
Esta llamada supersede
.BR readdir (2).
.SH "VALOR REGRESADO"
En caso de xito de regresa el nmero de bytes leido.
Si se llega al final del directorio se regresa 0.
En caso de error \-1, y la variable
.I errno
se asigna apropiadamente.
.SH "ERRORES"
.TP
.B EBADF
Descriptor de fichero invlido.
.IR fd .
.TP
.B ENOTDIR
El descriptor de fichero no se refiere a un directorio.
.SH "VASE TAMBIN"
.BR readdir (2),
.BR readdir (3)
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