cstat.h

给出了 zip 压缩算法的完整实现过程。

/*
  Copyright (c) 1990-1999 Info-ZIP.  All rights reserved.

  See the accompanying file LICENSE, version 1999-Oct-05 or later
  (the contents of which are also included in zip.h) for terms of use.
  If, for some reason, both of these files are missing, the Info-ZIP license
  also may be found at:  ftp://ftp.cdrom.com/pub/infozip/license.html
*/
/*  cstat.h

    Definitions used for file status functions

*/

#ifndef __STAT_H
#define __STAT_H

#include <stdio.h>

#define S_IFMT  0xF000  /* file type mask */
#define S_IFDIR 0x4000  /* directory */
#define S_IFIFO 0x1000  /* FIFO special */
#define S_IFCHR 0x2000  /* character special */
#define S_IFBLK 0x3000  /* block special */
#define S_IFREG 0x8000  /* or just 0x0000, regular */
#define S_IREAD 0x0100  /* owner may read */
#define S_IWRITE 0x0080 /* owner may write */
#define S_IEXEC 0x0040  /* owner may execute <directory search> */

struct  stat
{
    short st_dev;      /* Drive number of disk containing the  */
                       /* file or file handle if the file is   */
                       /* on device                            */
    short st_ino;      /* Not meaningfull for VM/CMS           */
    short st_mode;     /* Bit mask giving information about    */
                       /* the file's mode                      */
    short st_nlink;    /* Set to the integer constant 1        */
    int   st_uid;      /* Not meaningfull for VM/CMS           */
    int   st_gid;      /* Not meaningfull for VM/CMS           */
    short st_rdev;     /* Same as st_dev                       */
    long  st_size;     /* Size of the file in bytes            */
    long  st_atime;    /* Most recent access                   */
    long  st_mtime;    /* Same as st_atime                     */
    long  st_ctime;    /* Same as st_atime                     */
    FILE  *fp;
    char  fname[FILENAME_MAX];
};

int stat(const char *path, struct stat *sb);
int fstat(int fd, struct stat *sb);

#endif  /* __STAT_H */