/* brk system call for Linux/ARM.   Copyright (C) 1995, 1996 Free Software Foundation, Inc.   This file is part of the GNU C Library.   The GNU C Library is free software; you can redistribute it and/or   modify it under the terms of the GNU Lesser General Public   License as published by the Free Software Foundation; either   version 2.1 of the License, or (at your option) any later version.   The GNU C Library is distributed in the hope that it will be useful,   but WITHOUT ANY WARRANTY; without even the implied warranty of   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU   Lesser General Public License for more details.   You should have received a copy of the GNU Lesser General Public   License along with the GNU C Library; if not, write to the Free   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA   02111-1307 USA.  */#include <errno.h>#include <unistd.h>#include <sys/syscall.h>/* This must be initialized data because commons can't have aliases.  */void *__curbrk = 0;int brk (void *addr){	void *newbrk = (void*)INTERNAL_SYSCALL(brk, , 1, addr);	__curbrk = newbrk;	if (newbrk < addr) {		__set_errno (ENOMEM);		return -1;	}	return 0;}