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.\" Copyright (c) 1980, 1991 Regents of the University of California.
.\" All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
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.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\" 3. All advertising materials mentioning features or use of this software
.\" must display the following acknowledgement:
.\" This product includes software developed by the University of
.\" California, Berkeley and its contributors.
.\" 4. Neither the name of the University nor the names of its contributors
.\" may be used to endorse or promote products derived from this software
.\" without specific prior written permission.
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUARS ``AS IS'' AND
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" @(#)alloca.3 5.1 (Berkeley) 5/2/91
.\"
.\" Converted for Linux, Mon Nov 29 11:05:55 1993, faith@cs.unc.edu
.\" Modified Tue Oct 22 23:41:56 1996 by Eric S. Raymond <esr@thyrsus.com>
.\"
.\" Traducido al castellano (con permiso) por:
.\" Sebastian Desimone (chipy@argenet.com.ar) (desimone@fasta.edu.ar)
.\" Translation fixed Mon Apr 20 15:57:41 CEST 1998 by Gerardo
.\" Aburruzaga Garca <gerardo.aburruzaga@uca.es>
.\"
.TH ALLOCA 3 "19 Diciembre 1995" "GNU" "Manual del Programador de Linux"
.SH NOMBRE
alloca \- concede memoria
.SH SINOPSIS
.B #include <stdlib.h>
.sp
.BI "void *alloca( size_t " size );
.SH DESCRIPCIN
La funcin
.B alloca
concede
.I size
bytes de espacio en el marco de pila (stack frame) del invocador.
Este espacio temporal se libera automticamente a la salida de una funcin.
.SH "VALOR DEVUELTO"
La funcin
.B alloca
devuelve un puntero al comienzo del espacio concedido. Si la reserva falla,
se devuelve el puntero
.BR NULL .
.SH HISTORIA
Hay evidencias de que la funcin
.B alloca
apareci en 32v, pwb, pwb.2, 3bsd, y 4bsd. Hay una pgina de manual para
ella en BSD 4.3. Linux usa la versin de GNU.
.SH FALLOS
La funcin
.B alloca
es dependiente de la arquitectura.
.SH "VASE TAMBIN" TAMBIN
.BR brk "(2), " pagesize "(2), " calloc "(3), " malloc "(3), " realloc (3)
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