/*  * This file is part of the UCB release of Plan 9. It is subject to the license * terms in the LICENSE file found in the top-level directory of this * distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No * part of the UCB release of Plan 9, including this file, may be copied, * modified, propagated, or distributed except according to the terms contained * in the LICENSE file. */ #include	"l.h" /* * fake malloc */void*malloc(ulong n){	void *p; 	while(n & 7)		n++;	while(nhunk < n)		gethunk();	p = hunk;	nhunk -= n;	hunk += n;	return p;} voidfree(void *p){	USED(p);} void*calloc(ulong m, ulong n){	void *p; 	n *= m;	p = malloc(n);	memset(p, 0, n);	return p;} void*realloc(void*, ulong){	fprint(2, "realloc called\n");	abort();	return 0;} void*mysbrk(ulong size){	return sbrk(size);} voidsetmalloctag(void *v, ulong pc){	USED(v, pc);} intfileexists(char *s){	uchar dirbuf[400]; 	/* it's fine if stat result doesn't fit in dirbuf, since even then the file exists */	return stat(s, dirbuf, sizeof(dirbuf)) >= 0;}