Ultrix-3.1/src/libc/sysV/tmpfile.c

Compare this file to the similar file:
Show the results in this format: 


/**********************************************************************
 *   Copyright (c) Digital Equipment Corporation 1984, 1985, 1986.    *
 *   All Rights Reserved. 					      *
 *   Reference "/usr/src/COPYRIGHT" for applicable restrictions.      *
 **********************************************************************/

/*	SCCSID: @(#)tmpfile.c	3.0	4/22/86	*/
/*	(System 5)	1.3	*/
/*LINTLIBRARY*/
/*
 *	tmpfile - return a pointer to an update file that can be
 *		used for scratch. The file will automatically
 *		go away if the program using it terminates.
 */
#include <stdio.h>

extern FILE *fopen();
extern int unlink();
extern char *tmpnam();
extern void perror();

FILE *
tmpfile()
{
	char	tfname[L_tmpnam];
	register FILE	*p;

	(void) tmpnam(tfname);
	if((p = fopen(tfname, "w+")) == NULL)
		return NULL;
	else
		(void) unlink(tfname);
	return(p);
}