.\" Copyright (c) 1980, 1991 Regents of the University of California. .\" All rights reserved. .\" .\" Redistribution and use in source and binary forms, with or without .\" modification, are permitted provided that the following conditions .\" are met: .\" 1. Redistributions of source code must retain the above copyright .\" notice, this list of conditions and the following disclaimer. .\" 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. .\" .\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUARS ``AS IS'' AND .\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED A, THE .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE .\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUARS BE LIABLE .\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL .\" DAMAGES (INCLUDING, BUT NOT LIMITED A, PROCUREMENT OF SUBSTITUTE GOODS .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT .\" LIABILITY, OR ART (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF .\" SUCH DAMAGE. .\" .\" @(#)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 .\" .\" 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 García .\" .TH ALLOCA 3 "19 Diciembre 1995" "GNU" "Manual del Programador de Linux" .SH NOMBRE alloca \- concede memoria .SH SINOPSIS .B #include .sp .BI "void *alloca( size_t " size ); .SH DESCRIPCIÓN La función .B alloca concede .I size bytes de espacio en el marco de pila (stack frame) del invocador. Este espacio temporal se libera automáticamente a la salida de una función. .SH "VALOR DEVUELTO" La función .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 función .B alloca apareció en 32v, pwb, pwb.2, 3bsd, y 4bsd. Hay una página de manual para ella en BSD 4.3. Linux usa la versión de GNU. .SH FALLOS La función .B alloca es dependiente de la arquitectura. .SH "VÉASE TAMBIÉN" TAMBIÉN .BR brk "(2), " pagesize "(2), " calloc "(3), " malloc "(3), " realloc (3)