nt/inc/dirent.h

   1 /*
   2         <dirent.h> -- definitions for POSIX-compatible directory access
   3
   4  * The code here is forced by the interface, and is not subject to
   5  * copyright, constituting the only possible expression of the
   6  * algorithm in this format.
   7  */
   8
   9 #define DIRBLKSIZ       512             /* size of directory block */
  10 #ifdef WINDOWSNT
  11 #define MAXNAMLEN       255
  12 #else  /* not WINDOWSNT */
  13 #define MAXNAMLEN       15              /* maximum filename length */
  14 #endif /* not WINDOWSNT */
  15         /* NOTE:  MAXNAMLEN must be one less than a multiple of 4 */
  16
  17 struct dirent                           /* data from readdir() */
  18         {
  19         long            d_ino;          /* inode number of entry */
  20         unsigned short  d_reclen;       /* length of this record */
  21         unsigned short  d_namlen;       /* length of string in d_name */
  22         char            d_name[MAXNAMLEN+1];    /* name of file */
  23         };
  24
  25 typedef struct
  26         {
  27         int     dd_fd;                  /* file descriptor */
  28         int     dd_loc;                 /* offset in block */
  29         int     dd_size;                /* amount of valid data */
  30         char    dd_buf[DIRBLKSIZ];      /* directory block */
  31         }       DIR;                    /* stream data from opendir() */
  32
  33 extern DIR              *opendir (char *);
  34 extern struct dirent    *readdir (DIR *);
  35 extern void             seekdir (DIR *, long);
  36 extern void             closedir (DIR *);
  37
  38 #define rewinddir( dirp )       seekdir( dirp, 0L )