.\" Hey Emacs! This file is -*- nroff -*- source.
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.\" Copyright (c) 1992 Drew Eckhardt (drew@cs.colorado.edu), March 28, 1992
.\"
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.\" Since the Linux kernel and libraries are constantly changing, this
.\" manual page may be incorrect or out-of-date.  The author(s) assume no
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.\" Formatted or processed versions of this manual, if unaccompanied by
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.\" Modified by Michael Haardt <michael@moria.de>
.\" Modified Sat Jul 24 14:34:48 1993 by Rik Faith <faith@cs.unc.edu>
.\" Modified Tue Oct 22 22:59:17 1996 by Eric S. Raymond <esr@thyrsus.com>
.\" Translated  into Spanish Mon Feb 9 1998 by Gerardo Aburruzaga
.\" García <gerardo.aburruzaga@uca.es>
.\"
.TH USELIB 2 "9 febrero 1998" "Linux 0.99.11" "Manual del Programador de Linux"
.SH NOMBRE
uselib \- selecciona biblioteca compartida
.SH SINOPSIS
.B #include <unistd.h>
.sp
.BI "int uselib(const char *" biblioteca );
.SH DESCRIPCIÓN
\fBuselib\fP selecciona el fichero binario de la  biblioteca
compartida que será empleado por el proceso invocador.
.SH "VALOR DEVUELTO"
En caso de éxito se devuelve cero. En caso de error se devuelve \-1 y
se pone en
.I errno
un valor apropiado.
.SH ERRORES
Además de todos los códigos de error devueltos por
.BR open (2) 
y 
.BR mmap (2),
también pueden devolverse los siguientes:

.TP
.B ENOEXEC
El fichero especificado por
.I biblioteca
no es ejecutable, o no posee los números mágicos correctos.
.TP
.B EACCES
La biblioteca especificada por
.I biblioteca
no tiene permiso de lectura.
.SH "CONFORME A"
\fBuselib()\fP es específica de Linux, y no debería emplearse en
programas que se pretendan transportables.
.SH "VÉASE TAMBIÉN"
.BR ar (1),
.BR gcc (1),
.BR ld (1),
.BR ldd (1),
.BR mmap (2),
.BR open (2),
.BR ld.so (8)