rename.c

《汇编源代码大全》

/*
 * substitute for BSD/SVR3 rename() system call, from
 * Janet Walz, [e-mail] & Rich Salz, [e-mail]
 */

int rename(oldname,newname)
char *oldname,*newname;
{
	(void)unlink(newname);
	if(link(oldname,newname))
		return(-1);
	return(unlink(oldname));
}