/* isdir.c -- determine whether a directory exists   Copyright (C) 1990, 1998 Free Software Foundation, Inc.   This program is free software; you can redistribute it and/or modify   it under the terms of the GNU General Public License as published by   the Free Software Foundation; either version 2, or (at your option)   any later version.   This program 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 General Public License for more details.   You should have received a copy of the GNU General Public License   along with this program; if not, write to the Free Software Foundation,   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */#if HAVE_CONFIG_H# include <config.h>#endif#include <sys/types.h>#include <sys/stat.h>#if STAT_MACROS_BROKEN# undef S_ISDIR#endif#if !defined S_ISDIR && defined S_IFDIR# define S_ISDIR(Mode) (((Mode) & S_IFMT) == S_IFDIR)#endif/* If PATH is an existing directory or symbolic link to a directory,   return nonzero, else 0.  */intisdir (const char *path){  struct stat stats;  return stat (path, &stats) == 0 && S_ISDIR (stats.st_mode);}