/*  * 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. */ /* * pANS stdio -- tmpnam */#include "iolib.h"#include <string.h> char *tmpnam(char *s){	static char name[] = "/tmp/tn000000000000";	char *p; 	do {		p = name + 7;		while (*p == '9')			*p++ = '0';		if (*p == '\0')			return NULL;		++*p;	} while (access(name, 0) == 0);	if (s) {		strcpy(s, name);		return s;	}	return name;}  char *tmpnam_r(char *s){	return s ? tmpnam(s) : NULL;}