.\" Copyright 1993 David Metcalfe (david@prism.demon.co.uk)
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.\" References consulted:
.\"     Linux libc source code
.\"     Lewine's _POSIX Programmer's Guide_ (O'Reilly & Associates, 1991)
.\"     386BSD man pages
.\" Modified Sat Jul 24 19:10:36 1993 by Rik Faith (faith@cs.unc.edu)
.\" Translated 27 Feb 1998 by Vicente Pastor Gómez <VPASTORG@santandersupernet.com , vicpastor@hotmail.com>
.TH INITGROUPS 3  "5 abril 1993" "GNU" "Manual del Programador de Linux"
.SH NOMBRE
initgroups \- inicializa la lista suplementaria de acceso de grupos
.SH SINOPSIS
.nf
.B #include <grp.h>
.B #include <sys/types.h>
.sp
.BI "int initgroups(const char *" user ", gid_t " group );
.fi
.SH DESCRIPCIÓN
La función \fBinitgroups()\fP inicializa la lista de acceso de grupos
leyendo la base de datos de grupos \fI/etc/group\fP y usando todos los grupos
de los que \fIuser\fP es miembro. Se añade a la lista el grupo adicional
\fIgroup\fP.
.SH "VALOR DEVUELTO"
La función \fBinitgroups()\fP devuelve 0 si hubo éxito, o \-1 si ocurrió un
error.
.SH "ERRORES"
.TP
.B EPERM
El proceso que realiza la llamada no tiene suficientes privilegios.
.TP
.B ENOMEM
Memoria insuficiente para asignar la estructura de información de grupo.
.SH FICHEROS
.nf
\fI/etc/group\fP              base de datos de grupos
.fi
.SH "CONFORME A"
SVID 3, BSD 4.3
.SH OBSERVACIONES
El prototipo para
.B initgroups
está disponible solamente si
.B _BSD_SOURCE
está definido (bien explícitamente, o implícitamente, no definiendo
_POSIX_SOURCE o compilando con la opción -ansi).
.SH "VÉASE TAMBIÉN"
.BR getgroups "(2), " setgroups (2)